401k Plan data: MANTECH INTERNATIONAL 401(K) PLAN plan

MANTECH INTERNATIONAL 401(K) PLAN 401k Plan overview

Plan Name	MANTECH INTERNATIONAL 401(K) PLAN
Plan identification number	002

MANTECH INTERNATIONAL 401(K) PLAN Benefits

401k Plan Type

Defined Contribution Pension

Plan Features/Benefits

Profit-sharing
ERISA section 404(c) Plan - This plan, or any part of it is intended to meet the conditions of 29 CFR 2550.404c-1.
Total participant-directed account plan - Participants have the opportunity to direct the investment of all the assets allocated to their individual accounts, regardless of whether 29 CFR 2550.404c-1 is intended to be met.
Code section 401(k) feature - A cash or deferred arrangement described in Code section 401(k) that is part of a qualified defined contribution plan that provides for an election by employees to defer part of their compensation or receive these amounts in cash.
Code section 401(m) arrangement - Employee contributions are allocated to separate accounts under the plan or employer contributions are based, in whole or in part, on employee deferrals or contribtions to the plan. Not applicable if plan is 401(k) plan with only QNECs and/or QMACs. Also not applicable if Code section 403(b)(1), 403(b)(7) or 408 arrangements/accounts/annuities.
Participant-directed brokerage accounts provided as an investment option under the plan.
Total or partial participant-directed account plan - plan uses default investment account for participants who fail to direct assets in their account.
Plan sponsor(s) is (are) a member(s) of a controlled group (Code sections 414(b), (c), or (m)).

401k Sponsoring company profile

MANTECH INTERNATIONAL CORPORATION has sponsored the creation of one or more 401k plans.

Company Name: MANTECH INTERNATIONAL CORPORATION

Employer identification number (EIN): 221852179

NAIC Classification: 541600

Form 5500 Filing Information

Submission information for form 5500 for 401k plan MANTECH INTERNATIONAL 401(K) PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
002 2022-01-01
002 2021-01-01
002 2020-01-01
002 2019-01-01
002 2019-01-01
002 2018-01-01
002 2017-01-01 JEFFREY BRODY
002 2016-01-01 DENISE GOODING
002 2015-01-01 MARGO MENTUS
002 2014-01-01 DENISE GOODING
002 2013-01-01 DENISE GOODING
002 2012-01-01 MARGO MENTUS MARGO MENTUS 2013-10-15
002 2011-01-01 MARGO MENTUS
002 2010-01-01 EDMUND GLABUS
002 2009-01-01 CARLOS ECHALAR

Plan Statistics for MANTECH INTERNATIONAL 401(K) PLAN

401k plan membership statisitcs for MANTECH INTERNATIONAL 401(K) PLAN

Measure Date Value
2022: MANTECH INTERNATIONAL 401(K) PLAN 2022 401k membership
Total participants, beginning-of-year 2022-01-01 17,073
Total number of active participants reported on line 7a of the Form 5500 2022-01-01 9,454
Number of retired or separated participants receiving benefits 2022-01-01 194
Number of other retired or separated participants entitled to future benefits 2022-01-01 6,311
Total of all active and inactive participants 2022-01-01 15,959
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2022-01-01 24
Total participants 2022-01-01 15,983
Number of participants with account balances 2022-01-01 15,151
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2022-01-01 535
2021: MANTECH INTERNATIONAL 401(K) PLAN 2021 401k membership
Total participants, beginning-of-year 2021-01-01 14,286
Total number of active participants reported on line 7a of the Form 5500 2021-01-01 10,057
Number of retired or separated participants receiving benefits 2021-01-01 163
Number of other retired or separated participants entitled to future benefits 2021-01-01 6,826
Total of all active and inactive participants 2021-01-01 17,046
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2021-01-01 27
Total participants 2021-01-01 17,073
Number of participants with account balances 2021-01-01 11,452
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2021-01-01 946
2020: MANTECH INTERNATIONAL 401(K) PLAN 2020 401k membership
Total participants, beginning-of-year 2020-01-01 13,877
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 9,003
Number of retired or separated participants receiving benefits 2020-01-01 52
Number of other retired or separated participants entitled to future benefits 2020-01-01 5,224
Total of all active and inactive participants 2020-01-01 14,279
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2020-01-01 7
Total participants 2020-01-01 14,286
Number of participants with account balances 2020-01-01 13,672
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2020-01-01 577
2019: MANTECH INTERNATIONAL 401(K) PLAN 2019 401k membership
Total participants, beginning-of-year 2019-01-01 12,313
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 8,623
Number of retired or separated participants receiving benefits 2019-01-01 154
Number of other retired or separated participants entitled to future benefits 2019-01-01 5,093
Total of all active and inactive participants 2019-01-01 13,870
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2019-01-01 7
Total participants 2019-01-01 13,877
Number of participants with account balances 2019-01-01 13,052
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2019-01-01 713
2018: MANTECH INTERNATIONAL 401(K) PLAN 2018 401k membership
Total participants, beginning-of-year 2018-01-01 11,820
Total number of active participants reported on line 7a of the Form 5500 2018-01-01 7,147
Number of retired or separated participants receiving benefits 2018-01-01 137
Number of other retired or separated participants entitled to future benefits 2018-01-01 5,022
Total of all active and inactive participants 2018-01-01 12,306
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2018-01-01 7
Total participants 2018-01-01 12,313
Number of participants with account balances 2018-01-01 11,804
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2018-01-01 659
2017: MANTECH INTERNATIONAL 401(K) PLAN 2017 401k membership
Total participants, beginning-of-year 2017-01-01 11,292
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 6,969
Number of retired or separated participants receiving benefits 2017-01-01 107
Number of other retired or separated participants entitled to future benefits 2017-01-01 4,738
Total of all active and inactive participants 2017-01-01 11,814
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-01-01 6
Total participants 2017-01-01 11,820
Number of participants with account balances 2017-01-01 11,397
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-01-01 463
2016: MANTECH INTERNATIONAL 401(K) PLAN 2016 401k membership
Total participants, beginning-of-year 2016-01-01 11,333
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 6,476
Number of retired or separated participants receiving benefits 2016-01-01 101
Number of other retired or separated participants entitled to future benefits 2016-01-01 4,707
Total of all active and inactive participants 2016-01-01 11,284
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2016-01-01 8
Total participants 2016-01-01 11,292
Number of participants with account balances 2016-01-01 10,475
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2016-01-01 456
2015: MANTECH INTERNATIONAL 401(K) PLAN 2015 401k membership
Total participants, beginning-of-year 2015-01-01 12,717
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 6,360
Number of retired or separated participants receiving benefits 2015-01-01 87
Number of other retired or separated participants entitled to future benefits 2015-01-01 4,880
Total of all active and inactive participants 2015-01-01 11,327
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2015-01-01 6
Total participants 2015-01-01 11,333
Number of participants with account balances 2015-01-01 10,595
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2015-01-01 415
2014: MANTECH INTERNATIONAL 401(K) PLAN 2014 401k membership
Total participants, beginning-of-year 2014-01-01 13,409
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 6,713
Number of retired or separated participants receiving benefits 2014-01-01 89
Number of other retired or separated participants entitled to future benefits 2014-01-01 5,907
Total of all active and inactive participants 2014-01-01 12,709
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2014-01-01 8
Total participants 2014-01-01 12,717
Number of participants with account balances 2014-01-01 11,661
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2014-01-01 545
2013: MANTECH INTERNATIONAL 401(K) PLAN 2013 401k membership
Total participants, beginning-of-year 2013-01-01 14,800
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 7,576
Number of retired or separated participants receiving benefits 2013-01-01 75
Number of other retired or separated participants entitled to future benefits 2013-01-01 5,754
Total of all active and inactive participants 2013-01-01 13,405
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2013-01-01 4
Total participants 2013-01-01 13,409
Number of participants with account balances 2013-01-01 12,818
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2013-01-01 717
2012: MANTECH INTERNATIONAL 401(K) PLAN 2012 401k membership
Total participants, beginning-of-year 2012-01-01 14,338
Total number of active participants reported on line 7a of the Form 5500 2012-01-01 9,268
Number of retired or separated participants receiving benefits 2012-01-01 111
Number of other retired or separated participants entitled to future benefits 2012-01-01 5,415
Total of all active and inactive participants 2012-01-01 14,794
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2012-01-01 6
Total participants 2012-01-01 14,800
Number of participants with account balances 2012-01-01 13,604
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2012-01-01 820
2011: MANTECH INTERNATIONAL 401(K) PLAN 2011 401k membership
Total participants, beginning-of-year 2011-01-01 13,412
Total number of active participants reported on line 7a of the Form 5500 2011-01-01 9,248
Number of retired or separated participants receiving benefits 2011-01-01 100
Number of other retired or separated participants entitled to future benefits 2011-01-01 4,961
Total of all active and inactive participants 2011-01-01 14,309
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2011-01-01 29
Total participants 2011-01-01 14,338
Number of participants with account balances 2011-01-01 12,781
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2011-01-01 1,183
2010: MANTECH INTERNATIONAL 401(K) PLAN 2010 401k membership
Total participants, beginning-of-year 2010-01-01 10,810
Total number of active participants reported on line 7a of the Form 5500 2010-01-01 9,687
Number of retired or separated participants receiving benefits 2010-01-01 94
Number of other retired or separated participants entitled to future benefits 2010-01-01 3,604
Total of all active and inactive participants 2010-01-01 13,385
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2010-01-01 27
Total participants 2010-01-01 13,412
Number of participants with account balances 2010-01-01 11,883
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2010-01-01 877
2009: MANTECH INTERNATIONAL 401(K) PLAN 2009 401k membership
Total participants, beginning-of-year 2009-01-01 8,772
Total number of active participants reported on line 7a of the Form 5500 2009-01-01 7,973
Number of retired or separated participants receiving benefits 2009-01-01 73
Number of other retired or separated participants entitled to future benefits 2009-01-01 2,762
Total of all active and inactive participants 2009-01-01 10,808
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2009-01-01 2
Total participants 2009-01-01 10,810
Number of participants with account balances 2009-01-01 10,050
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2009-01-01 555

Measure	Date	Value
2022: MANTECH INTERNATIONAL 401(K) PLAN 2022 401k membership
Total participants, beginning-of-year	2022-01-01	17,073
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	9,454
Number of retired or separated participants receiving benefits	2022-01-01	194
Number of other retired or separated participants entitled to future benefits	2022-01-01	6,311
Total of all active and inactive participants	2022-01-01	15,959
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	24
Total participants	2022-01-01	15,983
Number of participants with account balances	2022-01-01	15,151
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	535
2021: MANTECH INTERNATIONAL 401(K) PLAN 2021 401k membership
Total participants, beginning-of-year	2021-01-01	14,286
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	10,057
Number of retired or separated participants receiving benefits	2021-01-01	163
Number of other retired or separated participants entitled to future benefits	2021-01-01	6,826
Total of all active and inactive participants	2021-01-01	17,046
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	27
Total participants	2021-01-01	17,073
Number of participants with account balances	2021-01-01	11,452
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	946
2020: MANTECH INTERNATIONAL 401(K) PLAN 2020 401k membership
Total participants, beginning-of-year	2020-01-01	13,877
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	9,003
Number of retired or separated participants receiving benefits	2020-01-01	52
Number of other retired or separated participants entitled to future benefits	2020-01-01	5,224
Total of all active and inactive participants	2020-01-01	14,279
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	7
Total participants	2020-01-01	14,286
Number of participants with account balances	2020-01-01	13,672
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	577
2019: MANTECH INTERNATIONAL 401(K) PLAN 2019 401k membership
Total participants, beginning-of-year	2019-01-01	12,313
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	8,623
Number of retired or separated participants receiving benefits	2019-01-01	154
Number of other retired or separated participants entitled to future benefits	2019-01-01	5,093
Total of all active and inactive participants	2019-01-01	13,870
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	7
Total participants	2019-01-01	13,877
Number of participants with account balances	2019-01-01	13,052
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	713
2018: MANTECH INTERNATIONAL 401(K) PLAN 2018 401k membership
Total participants, beginning-of-year	2018-01-01	11,820
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	7,147
Number of retired or separated participants receiving benefits	2018-01-01	137
Number of other retired or separated participants entitled to future benefits	2018-01-01	5,022
Total of all active and inactive participants	2018-01-01	12,306
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	7
Total participants	2018-01-01	12,313
Number of participants with account balances	2018-01-01	11,804
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	659
2017: MANTECH INTERNATIONAL 401(K) PLAN 2017 401k membership
Total participants, beginning-of-year	2017-01-01	11,292
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	6,969
Number of retired or separated participants receiving benefits	2017-01-01	107
Number of other retired or separated participants entitled to future benefits	2017-01-01	4,738
Total of all active and inactive participants	2017-01-01	11,814
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	6
Total participants	2017-01-01	11,820
Number of participants with account balances	2017-01-01	11,397
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	463
2016: MANTECH INTERNATIONAL 401(K) PLAN 2016 401k membership
Total participants, beginning-of-year	2016-01-01	11,333
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	6,476
Number of retired or separated participants receiving benefits	2016-01-01	101
Number of other retired or separated participants entitled to future benefits	2016-01-01	4,707
Total of all active and inactive participants	2016-01-01	11,284
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	8
Total participants	2016-01-01	11,292
Number of participants with account balances	2016-01-01	10,475
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	456
2015: MANTECH INTERNATIONAL 401(K) PLAN 2015 401k membership
Total participants, beginning-of-year	2015-01-01	12,717
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	6,360
Number of retired or separated participants receiving benefits	2015-01-01	87
Number of other retired or separated participants entitled to future benefits	2015-01-01	4,880
Total of all active and inactive participants	2015-01-01	11,327
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	6
Total participants	2015-01-01	11,333
Number of participants with account balances	2015-01-01	10,595
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	415
2014: MANTECH INTERNATIONAL 401(K) PLAN 2014 401k membership
Total participants, beginning-of-year	2014-01-01	13,409
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	6,713
Number of retired or separated participants receiving benefits	2014-01-01	89
Number of other retired or separated participants entitled to future benefits	2014-01-01	5,907
Total of all active and inactive participants	2014-01-01	12,709
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	8
Total participants	2014-01-01	12,717
Number of participants with account balances	2014-01-01	11,661
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	545
2013: MANTECH INTERNATIONAL 401(K) PLAN 2013 401k membership
Total participants, beginning-of-year	2013-01-01	14,800
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	7,576
Number of retired or separated participants receiving benefits	2013-01-01	75
Number of other retired or separated participants entitled to future benefits	2013-01-01	5,754
Total of all active and inactive participants	2013-01-01	13,405
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	4
Total participants	2013-01-01	13,409
Number of participants with account balances	2013-01-01	12,818
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	717
2012: MANTECH INTERNATIONAL 401(K) PLAN 2012 401k membership
Total participants, beginning-of-year	2012-01-01	14,338
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	9,268
Number of retired or separated participants receiving benefits	2012-01-01	111
Number of other retired or separated participants entitled to future benefits	2012-01-01	5,415
Total of all active and inactive participants	2012-01-01	14,794
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	6
Total participants	2012-01-01	14,800
Number of participants with account balances	2012-01-01	13,604
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	820
2011: MANTECH INTERNATIONAL 401(K) PLAN 2011 401k membership
Total participants, beginning-of-year	2011-01-01	13,412
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	9,248
Number of retired or separated participants receiving benefits	2011-01-01	100
Number of other retired or separated participants entitled to future benefits	2011-01-01	4,961
Total of all active and inactive participants	2011-01-01	14,309
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	29
Total participants	2011-01-01	14,338
Number of participants with account balances	2011-01-01	12,781
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	1,183
2010: MANTECH INTERNATIONAL 401(K) PLAN 2010 401k membership
Total participants, beginning-of-year	2010-01-01	10,810
Total number of active participants reported on line 7a of the Form 5500	2010-01-01	9,687
Number of retired or separated participants receiving benefits	2010-01-01	94
Number of other retired or separated participants entitled to future benefits	2010-01-01	3,604
Total of all active and inactive participants	2010-01-01	13,385
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2010-01-01	27
Total participants	2010-01-01	13,412
Number of participants with account balances	2010-01-01	11,883
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2010-01-01	877
2009: MANTECH INTERNATIONAL 401(K) PLAN 2009 401k membership
Total participants, beginning-of-year	2009-01-01	8,772
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	7,973
Number of retired or separated participants receiving benefits	2009-01-01	73
Number of other retired or separated participants entitled to future benefits	2009-01-01	2,762
Total of all active and inactive participants	2009-01-01	10,808
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	2
Total participants	2009-01-01	10,810
Number of participants with account balances	2009-01-01	10,050
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	555

Financial Data on MANTECH INTERNATIONAL 401(K) PLAN

Measure	Date	Value
2022 : MANTECH INTERNATIONAL 401(K) PLAN 2022 401k financial data
Unrealized appreciation/depreciation of real estate assets	2022-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2022-12-31	$-2,547,678
Total unrealized appreciation/depreciation of assets	2022-12-31	$-2,547,678
Total transfer of assets to this plan	2022-12-31	$108,276,889
Total transfer of assets from this plan	2022-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$2
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$6
Expenses. Interest paid	2022-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2022-12-31	$0
Total income from all sources (including contributions)	2022-12-31	$-134,013,715
Total loss/gain on sale of assets	2022-12-31	$-1,174,971
Total of all expenses incurred	2022-12-31	$170,439,557
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$169,331,838
Expenses. Certain deemed distributions of participant loans	2022-12-31	$136,396
Value of total corrective distributions	2022-12-31	$56,161
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$161,631,802
Value of total assets at end of year	2022-12-31	$1,261,928,697
Value of total assets at beginning of year	2022-12-31	$1,458,105,084
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$915,162
Total income from rents	2022-12-31	$0
Total interest from all sources	2022-12-31	$806,673
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$32,165,301
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2022-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2022-12-31	$32,118,916
Assets. Real estate other than employer real property at end of year	2022-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2022-12-31	$0
Administrative expenses professional fees incurred	2022-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2022-12-31	$7,136
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2022-12-31	$1,587
Was this plan covered by a fidelity bond	2022-12-31	Yes
Value of fidelity bond cover	2022-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2022-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2022-12-31	No
Contributions received from participants	2022-12-31	$93,052,003
Participant contributions at end of year	2022-12-31	$16,888,732
Participant contributions at beginning of year	2022-12-31	$16,031,890
Participant contributions at end of year	2022-12-31	$0
Participant contributions at beginning of year	2022-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2022-12-31	$19,182
Assets. Other investments not covered elsewhere at beginning of year	2022-12-31	$40,108
Income. Received or receivable in cash from other sources (including rollovers)	2022-12-31	$26,363,282
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2022-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2022-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2022-12-31	$0
Assets. Loans (other than to participants) at end of year	2022-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2022-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2022-12-31	$2
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2022-12-31	$6
Other income not declared elsewhere	2022-12-31	$0
Administrative expenses (other) incurred	2022-12-31	$915,162
Liabilities. Value of operating payables at end of year	2022-12-31	$0
Liabilities. Value of operating payables at beginning of year	2022-12-31	$0
Total non interest bearing cash at end of year	2022-12-31	$1,032
Total non interest bearing cash at beginning of year	2022-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Income. Non cash contributions	2022-12-31	$0
Value of net income/loss	2022-12-31	$-304,453,272
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$1,261,928,695
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$1,458,105,078
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2022-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2022-12-31	No
Were any leases to which the plan was party in default or uncollectible	2022-12-31	No
Assets. partnership/joint venture interests at end of year	2022-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2022-12-31	$0
Investment advisory and management fees	2022-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-12-31	$989,470,922
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$1,116,493,152
Value of interest in pooled separate accounts at end of year	2022-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2022-12-31	$0
Interest on participant loans	2022-12-31	$778,194
Income. Interest from loans (other than to participants)	2022-12-31	$0
Interest earned on other investments	2022-12-31	$0
Income. Interest from US Government securities	2022-12-31	$183
Income. Interest from corporate debt instruments	2022-12-31	$26
Value of interest in master investment trust accounts at end of year	2022-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2022-12-31	$0
Value of interest in common/collective trusts at end of year	2022-12-31	$248,420,549
Value of interest in common/collective trusts at beginning of year	2022-12-31	$314,895,212
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2022-12-31	$2,335,196
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2022-12-31	$2,426,169
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2022-12-31	$2,426,169
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2022-12-31	$28,270
Assets. Value of investments in 103.12 investment entities at end of year	2022-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2022-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2022-12-31	$0
Asset value of US Government securities at end of year	2022-12-31	$49,981
Asset value of US Government securities at beginning of year	2022-12-31	$14,178
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2022-12-31	$-236,541,304
Net investment gain/loss from pooled separate accounts	2022-12-31	$0
Net investment gain or loss from common/collective trusts	2022-12-31	$-88,353,538
Net gain/loss from 103.12 investment entities	2022-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2022-12-31	No
Was there a failure to transmit to the plan any participant contributions	2022-12-31	No
Has the plan failed to provide any benefit when due under the plan	2022-12-31	Yes
Assets. Invements in employer securities at end of year	2022-12-31	$0
Assets. Invements in employer securities at beginning of year	2022-12-31	$0
Assets. Value of employer real property at end of year	2022-12-31	$0
Assets. Value of employer real property at beginning of year	2022-12-31	$0
Contributions received in cash from employer	2022-12-31	$42,216,517
Employer contributions (assets) at end of year	2022-12-31	$0
Employer contributions (assets) at beginning of year	2022-12-31	$0
Income. Dividends from preferred stock	2022-12-31	$62
Income. Dividends from common stock	2022-12-31	$46,323
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-12-31	$169,331,838
Asset. Corporate debt instrument preferred debt at end of year	2022-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2022-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2022-12-31	$294
Asset. Corporate debt instrument debt (other) at beginning of year	2022-12-31	$352
Contract administrator fees	2022-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2022-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2022-12-31	$4,735,673
Assets. Corporate common stocks other than exployer securities at beginning of year	2022-12-31	$8,202,436
Liabilities. Value of benefit claims payable at end of year	2022-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2022-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2022-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2022-12-31	$0
Did the plan have assets held for investment	2022-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2022-12-31	No
Aggregate proceeds on sale of assets	2022-12-31	$6,646,705
Aggregate carrying amount (costs) on sale of assets	2022-12-31	$7,821,676
Liabilities. Value of acquisition indebtedness at end of year	2022-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2022-12-31	$0
Opinion of an independent qualified public accountant for this plan	2022-12-31	Unqualified
Accountancy firm name	2022-12-31	SC&H ATTEST SERVICES, P.C.
Accountancy firm EIN	2022-12-31	521743645
2021 : MANTECH INTERNATIONAL 401(K) PLAN 2021 401k financial data
Unrealized appreciation/depreciation of real estate assets	2021-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2021-12-31	$32,549
Total unrealized appreciation/depreciation of assets	2021-12-31	$32,549
Total transfer of assets to this plan	2021-12-31	$0
Total transfer of assets from this plan	2021-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$6
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$2
Expenses. Interest paid	2021-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2021-12-31	$0
Total income from all sources (including contributions)	2021-12-31	$329,817,918
Total loss/gain on sale of assets	2021-12-31	$576,158
Total of all expenses incurred	2021-12-31	$136,517,077
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$135,330,479
Expenses. Certain deemed distributions of participant loans	2021-12-31	$188,156
Value of total corrective distributions	2021-12-31	$26,186
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$143,841,770
Value of total assets at end of year	2021-12-31	$1,458,105,084
Value of total assets at beginning of year	2021-12-31	$1,264,804,239
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$972,256
Total income from rents	2021-12-31	$0
Total interest from all sources	2021-12-31	$807,926
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$44,967,085
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2021-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2021-12-31	$44,920,683
Assets. Real estate other than employer real property at end of year	2021-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2021-12-31	$0
Administrative expenses professional fees incurred	2021-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2021-12-31	$1,587
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2021-12-31	$7,189
Was this plan covered by a fidelity bond	2021-12-31	Yes
Value of fidelity bond cover	2021-12-31	$25,000,000
If this is an individual account plan, was there a blackout period	2021-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2021-12-31	No
Contributions received from participants	2021-12-31	$85,238,595
Participant contributions at end of year	2021-12-31	$16,031,890
Participant contributions at beginning of year	2021-12-31	$15,050,467
Participant contributions at end of year	2021-12-31	$0
Participant contributions at beginning of year	2021-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2021-12-31	$40,108
Assets. Other investments not covered elsewhere at beginning of year	2021-12-31	$12,463
Income. Received or receivable in cash from other sources (including rollovers)	2021-12-31	$18,800,803
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2021-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2021-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2021-12-31	$0
Assets. Loans (other than to participants) at end of year	2021-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2021-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2021-12-31	$6
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2021-12-31	$2
Other income not declared elsewhere	2021-12-31	$0
Administrative expenses (other) incurred	2021-12-31	$972,256
Liabilities. Value of operating payables at end of year	2021-12-31	$0
Liabilities. Value of operating payables at beginning of year	2021-12-31	$0
Total non interest bearing cash at end of year	2021-12-31	$0
Total non interest bearing cash at beginning of year	2021-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Income. Non cash contributions	2021-12-31	$0
Value of net income/loss	2021-12-31	$193,300,841
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$1,458,105,078
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$1,264,804,237
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2021-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2021-12-31	No
Were any leases to which the plan was party in default or uncollectible	2021-12-31	No
Assets. partnership/joint venture interests at end of year	2021-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2021-12-31	$0
Investment advisory and management fees	2021-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2021-12-31	$1,116,493,152
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$1,078,670,809
Value of interest in pooled separate accounts at end of year	2021-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2021-12-31	$0
Interest on participant loans	2021-12-31	$806,406
Income. Interest from loans (other than to participants)	2021-12-31	$0
Interest earned on other investments	2021-12-31	$0
Income. Interest from US Government securities	2021-12-31	$170
Income. Interest from corporate debt instruments	2021-12-31	$1,136
Value of interest in master investment trust accounts at end of year	2021-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2021-12-31	$0
Value of interest in common/collective trusts at end of year	2021-12-31	$314,895,212
Value of interest in common/collective trusts at beginning of year	2021-12-31	$163,166,097
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2021-12-31	$2,426,169
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2021-12-31	$2,029,017
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2021-12-31	$2,029,017
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2021-12-31	$214
Assets. Value of investments in 103.12 investment entities at end of year	2021-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2021-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2021-12-31	$0
Asset value of US Government securities at end of year	2021-12-31	$14,178
Asset value of US Government securities at beginning of year	2021-12-31	$13,527
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2021-12-31	$92,400,581
Net investment gain/loss from pooled separate accounts	2021-12-31	$0
Net investment gain or loss from common/collective trusts	2021-12-31	$47,191,849
Net gain/loss from 103.12 investment entities	2021-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2021-12-31	No
Was there a failure to transmit to the plan any participant contributions	2021-12-31	No
Has the plan failed to provide any benefit when due under the plan	2021-12-31	Yes
Assets. Invements in employer securities at end of year	2021-12-31	$0
Assets. Invements in employer securities at beginning of year	2021-12-31	$0
Assets. Value of employer real property at end of year	2021-12-31	$0
Assets. Value of employer real property at beginning of year	2021-12-31	$0
Contributions received in cash from employer	2021-12-31	$39,802,372
Employer contributions (assets) at end of year	2021-12-31	$0
Employer contributions (assets) at beginning of year	2021-12-31	$0
Income. Dividends from preferred stock	2021-12-31	$401
Income. Dividends from common stock	2021-12-31	$46,001
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2021-12-31	$135,330,479
Asset. Corporate debt instrument preferred debt at end of year	2021-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2021-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2021-12-31	$352
Asset. Corporate debt instrument debt (other) at beginning of year	2021-12-31	$16,424
Contract administrator fees	2021-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2021-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2021-12-31	$8,202,436
Assets. Corporate common stocks other than exployer securities at beginning of year	2021-12-31	$5,838,246
Liabilities. Value of benefit claims payable at end of year	2021-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2021-12-31	$0
Did the plan have assets held for investment	2021-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2021-12-31	No
Aggregate proceeds on sale of assets	2021-12-31	$14,631,554
Aggregate carrying amount (costs) on sale of assets	2021-12-31	$14,055,396
Liabilities. Value of acquisition indebtedness at end of year	2021-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2021-12-31	$0
Opinion of an independent qualified public accountant for this plan	2021-12-31	Unqualified
Accountancy firm name	2021-12-31	SC&H ATTEST SERVICES, P.C.
Accountancy firm EIN	2021-12-31	521743645
2020 : MANTECH INTERNATIONAL 401(K) PLAN 2020 401k financial data
Unrealized appreciation/depreciation of real estate assets	2020-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2020-12-31	$1,314,200
Total unrealized appreciation/depreciation of assets	2020-12-31	$1,314,200
Total transfer of assets to this plan	2020-12-31	$0
Total transfer of assets from this plan	2020-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$2
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$12
Expenses. Interest paid	2020-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2020-12-31	$0
Total income from all sources (including contributions)	2020-12-31	$328,854,098
Total loss/gain on sale of assets	2020-12-31	$617,369
Total of all expenses incurred	2020-12-31	$107,163,753
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$106,208,050
Expenses. Certain deemed distributions of participant loans	2020-12-31	$50,603
Value of total corrective distributions	2020-12-31	$32,098
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$129,463,332
Value of total assets at end of year	2020-12-31	$1,264,804,239
Value of total assets at beginning of year	2020-12-31	$1,043,113,904
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$873,002
Total income from rents	2020-12-31	$0
Total interest from all sources	2020-12-31	$710,802
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$39,986,416
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2020-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2020-12-31	$39,935,355
Assets. Real estate other than employer real property at end of year	2020-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2020-12-31	$0
Administrative expenses professional fees incurred	2020-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2020-12-31	$7,189
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2020-12-31	$3,803
Was this plan covered by a fidelity bond	2020-12-31	Yes
Value of fidelity bond cover	2020-12-31	$25,000,000
If this is an individual account plan, was there a blackout period	2020-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2020-12-31	No
Contributions received from participants	2020-12-31	$76,489,251
Participant contributions at end of year	2020-12-31	$15,050,467
Participant contributions at beginning of year	2020-12-31	$12,492,602
Participant contributions at end of year	2020-12-31	$0
Participant contributions at beginning of year	2020-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2020-12-31	$12,463
Assets. Other investments not covered elsewhere at beginning of year	2020-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2020-12-31	$21,164,650
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2020-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2020-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2020-12-31	$0
Assets. Loans (other than to participants) at end of year	2020-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2020-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2020-12-31	$2
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2020-12-31	$12
Other income not declared elsewhere	2020-12-31	$0
Administrative expenses (other) incurred	2020-12-31	$873,002
Liabilities. Value of operating payables at end of year	2020-12-31	$0
Liabilities. Value of operating payables at beginning of year	2020-12-31	$0
Total non interest bearing cash at end of year	2020-12-31	$0
Total non interest bearing cash at beginning of year	2020-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Income. Non cash contributions	2020-12-31	$0
Value of net income/loss	2020-12-31	$221,690,345
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$1,264,804,237
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$1,043,113,892
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2020-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2020-12-31	No
Were any leases to which the plan was party in default or uncollectible	2020-12-31	No
Assets. partnership/joint venture interests at end of year	2020-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2020-12-31	$0
Investment advisory and management fees	2020-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-12-31	$1,078,670,809
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$893,080,360
Value of interest in pooled separate accounts at end of year	2020-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2020-12-31	$0
Interest on participant loans	2020-12-31	$703,896
Income. Interest from loans (other than to participants)	2020-12-31	$0
Interest earned on other investments	2020-12-31	$0
Income. Interest from US Government securities	2020-12-31	$177
Income. Interest from corporate debt instruments	2020-12-31	$1,526
Value of interest in master investment trust accounts at end of year	2020-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2020-12-31	$0
Value of interest in common/collective trusts at end of year	2020-12-31	$163,166,097
Value of interest in common/collective trusts at beginning of year	2020-12-31	$132,218,182
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2020-12-31	$2,029,017
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2020-12-31	$2,030,089
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2020-12-31	$2,030,089
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2020-12-31	$5,203
Assets. Value of investments in 103.12 investment entities at end of year	2020-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2020-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2020-12-31	$0
Asset value of US Government securities at end of year	2020-12-31	$13,527
Asset value of US Government securities at beginning of year	2020-12-31	$34,155
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2020-12-31	$128,510,001
Net investment gain/loss from pooled separate accounts	2020-12-31	$0
Net investment gain or loss from common/collective trusts	2020-12-31	$28,251,978
Net gain/loss from 103.12 investment entities	2020-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2020-12-31	No
Was there a failure to transmit to the plan any participant contributions	2020-12-31	No
Has the plan failed to provide any benefit when due under the plan	2020-12-31	Yes
Assets. Invements in employer securities at end of year	2020-12-31	$0
Assets. Invements in employer securities at beginning of year	2020-12-31	$0
Assets. Value of employer real property at end of year	2020-12-31	$0
Assets. Value of employer real property at beginning of year	2020-12-31	$0
Contributions received in cash from employer	2020-12-31	$31,809,431
Employer contributions (assets) at end of year	2020-12-31	$0
Employer contributions (assets) at beginning of year	2020-12-31	$0
Income. Dividends from preferred stock	2020-12-31	$393
Income. Dividends from common stock	2020-12-31	$50,668
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-12-31	$106,208,050
Asset. Corporate debt instrument preferred debt at end of year	2020-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2020-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2020-12-31	$16,424
Asset. Corporate debt instrument debt (other) at beginning of year	2020-12-31	$27,099
Contract administrator fees	2020-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2020-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2020-12-31	$5,838,246
Assets. Corporate common stocks other than exployer securities at beginning of year	2020-12-31	$3,227,614
Liabilities. Value of benefit claims payable at end of year	2020-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2020-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2020-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2020-12-31	$0
Did the plan have assets held for investment	2020-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2020-12-31	No
Aggregate proceeds on sale of assets	2020-12-31	$11,162,798
Aggregate carrying amount (costs) on sale of assets	2020-12-31	$10,545,429
Liabilities. Value of acquisition indebtedness at end of year	2020-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2020-12-31	$0
Opinion of an independent qualified public accountant for this plan	2020-12-31	Disclaimer
Accountancy firm name	2020-12-31	SC&H ATTEST SERVICES, P.C.
Accountancy firm EIN	2020-12-31	521743645
2019 : MANTECH INTERNATIONAL 401(K) PLAN 2019 401k financial data
Unrealized appreciation/depreciation of real estate assets	2019-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2019-12-31	$746,530
Total unrealized appreciation/depreciation of assets	2019-12-31	$746,530
Total transfer of assets to this plan	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$12
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$12
Expenses. Interest paid	2019-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2019-12-31	$0
Total income from all sources (including contributions)	2019-12-31	$313,499,982
Total loss/gain on sale of assets	2019-12-31	$252,513
Total of all expenses incurred	2019-12-31	$110,000,036
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$109,709,377
Expenses. Certain deemed distributions of participant loans	2019-12-31	$136,852
Value of total corrective distributions	2019-12-31	$29,429
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$114,961,018
Value of total assets at end of year	2019-12-31	$1,043,113,904
Value of total assets at beginning of year	2019-12-31	$839,613,958
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$124,378
Total income from rents	2019-12-31	$0
Total interest from all sources	2019-12-31	$694,739
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$82,966,166
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2019-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2019-12-31	$82,931,369
Assets. Real estate other than employer real property at end of year	2019-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2019-12-31	$0
Administrative expenses professional fees incurred	2019-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2019-12-31	$3,803
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2019-12-31	$1,000
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2019-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Contributions received from participants	2019-12-31	$62,745,936
Participant contributions at end of year	2019-12-31	$12,492,602
Participant contributions at beginning of year	2019-12-31	$12,233,875
Participant contributions at end of year	2019-12-31	$0
Participant contributions at beginning of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2019-12-31	$-839
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$25,378,518
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2019-12-31	$0
Assets. Loans (other than to participants) at end of year	2019-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2019-12-31	$12
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2019-12-31	$12
Other income not declared elsewhere	2019-12-31	$0
Administrative expenses (other) incurred	2019-12-31	$124,378
Liabilities. Value of operating payables at end of year	2019-12-31	$0
Liabilities. Value of operating payables at beginning of year	2019-12-31	$0
Total non interest bearing cash at end of year	2019-12-31	$0
Total non interest bearing cash at beginning of year	2019-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Income. Non cash contributions	2019-12-31	$0
Value of net income/loss	2019-12-31	$203,499,946
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$1,043,113,892
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$839,613,946
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Assets. partnership/joint venture interests at end of year	2019-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2019-12-31	$0
Investment advisory and management fees	2019-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$893,080,360
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$708,180,664
Value of interest in pooled separate accounts at end of year	2019-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2019-12-31	$0
Interest on participant loans	2019-12-31	$664,059
Income. Interest from loans (other than to participants)	2019-12-31	$0
Interest earned on other investments	2019-12-31	$0
Income. Interest from US Government securities	2019-12-31	$177
Income. Interest from corporate debt instruments	2019-12-31	$671
Value of interest in master investment trust accounts at end of year	2019-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2019-12-31	$0
Value of interest in common/collective trusts at end of year	2019-12-31	$132,218,182
Value of interest in common/collective trusts at beginning of year	2019-12-31	$115,760,646
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2019-12-31	$2,030,089
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2019-12-31	$1,248,237
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2019-12-31	$1,248,237
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2019-12-31	$29,832
Assets. Value of investments in 103.12 investment entities at end of year	2019-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2019-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2019-12-31	$0
Asset value of US Government securities at end of year	2019-12-31	$34,155
Asset value of US Government securities at beginning of year	2019-12-31	$35,952
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$90,570,132
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain or loss from common/collective trusts	2019-12-31	$23,308,884
Net gain/loss from 103.12 investment entities	2019-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	Yes
Assets. Invements in employer securities at end of year	2019-12-31	$0
Assets. Invements in employer securities at beginning of year	2019-12-31	$0
Assets. Value of employer real property at end of year	2019-12-31	$0
Assets. Value of employer real property at beginning of year	2019-12-31	$0
Contributions received in cash from employer	2019-12-31	$26,836,564
Employer contributions (assets) at end of year	2019-12-31	$0
Employer contributions (assets) at beginning of year	2019-12-31	$0
Income. Dividends from preferred stock	2019-12-31	$63
Income. Dividends from common stock	2019-12-31	$34,734
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$109,709,377
Asset. Corporate debt instrument preferred debt at end of year	2019-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2019-12-31	$27,099
Asset. Corporate debt instrument debt (other) at beginning of year	2019-12-31	$1,340
Contract administrator fees	2019-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2019-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2019-12-31	$3,227,614
Assets. Corporate common stocks other than exployer securities at beginning of year	2019-12-31	$2,153,083
Liabilities. Value of benefit claims payable at end of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2019-12-31	$0
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Aggregate proceeds on sale of assets	2019-12-31	$2,308,193
Aggregate carrying amount (costs) on sale of assets	2019-12-31	$2,055,680
Liabilities. Value of acquisition indebtedness at end of year	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2019-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2019-12-31	Disclaimer
Accountancy firm name	2019-12-31	SC&H ATTEST SERVICES, P.C.
Accountancy firm EIN	2019-12-31	521743645
2018 : MANTECH INTERNATIONAL 401(K) PLAN 2018 401k financial data
Unrealized appreciation/depreciation of real estate assets	2018-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2018-12-31	$-299,956
Total unrealized appreciation/depreciation of assets	2018-12-31	$-299,956
Total transfer of assets to this plan	2018-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$12
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Expenses. Interest paid	2018-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2018-12-31	$0
Total income from all sources (including contributions)	2018-12-31	$45,370,722
Total loss/gain on sale of assets	2018-12-31	$-5,815
Total of all expenses incurred	2018-12-31	$101,172,981
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$100,763,532
Expenses. Certain deemed distributions of participant loans	2018-12-31	$205,994
Value of total corrective distributions	2018-12-31	$27,549
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$98,539,441
Value of total assets at end of year	2018-12-31	$839,613,958
Value of total assets at beginning of year	2018-12-31	$895,416,205
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$175,906
Total income from rents	2018-12-31	$0
Total interest from all sources	2018-12-31	$595,452
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$46,333,148
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2018-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2018-12-31	$46,303,530
Assets. Real estate other than employer real property at end of year	2018-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2018-12-31	$0
Administrative expenses professional fees incurred	2018-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2018-12-31	$1,000
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2018-12-31	$0
Was this plan covered by a fidelity bond	2018-12-31	Yes
Value of fidelity bond cover	2018-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2018-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2018-12-31	No
Contributions received from participants	2018-12-31	$55,527,645
Participant contributions at end of year	2018-12-31	$12,233,875
Participant contributions at beginning of year	2018-12-31	$11,361,969
Participant contributions at end of year	2018-12-31	$0
Participant contributions at beginning of year	2018-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2018-12-31	$-839
Assets. Other investments not covered elsewhere at beginning of year	2018-12-31	$-30,825
Income. Received or receivable in cash from other sources (including rollovers)	2018-12-31	$19,159,790
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2018-12-31	$0
Assets. Loans (other than to participants) at end of year	2018-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2018-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2018-12-31	$12
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2018-12-31	$0
Other income not declared elsewhere	2018-12-31	$0
Administrative expenses (other) incurred	2018-12-31	$175,906
Liabilities. Value of operating payables at end of year	2018-12-31	$0
Liabilities. Value of operating payables at beginning of year	2018-12-31	$0
Total non interest bearing cash at end of year	2018-12-31	$0
Total non interest bearing cash at beginning of year	2018-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Income. Non cash contributions	2018-12-31	$0
Value of net income/loss	2018-12-31	$-55,802,259
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$839,613,946
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$895,416,205
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2018-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2018-12-31	No
Were any leases to which the plan was party in default or uncollectible	2018-12-31	No
Assets. partnership/joint venture interests at end of year	2018-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2018-12-31	$0
Investment advisory and management fees	2018-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2018-12-31	$708,180,664
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$763,143,685
Value of interest in pooled separate accounts at end of year	2018-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2018-12-31	$0
Interest on participant loans	2018-12-31	$573,397
Income. Interest from loans (other than to participants)	2018-12-31	$0
Interest earned on other investments	2018-12-31	$0
Income. Interest from US Government securities	2018-12-31	$175
Income. Interest from corporate debt instruments	2018-12-31	$0
Value of interest in master investment trust accounts at end of year	2018-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2018-12-31	$0
Value of interest in common/collective trusts at end of year	2018-12-31	$115,760,646
Value of interest in common/collective trusts at beginning of year	2018-12-31	$117,004,806
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2018-12-31	$1,248,237
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2018-12-31	$1,473,756
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2018-12-31	$1,473,756
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2018-12-31	$21,880
Assets. Value of investments in 103.12 investment entities at end of year	2018-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2018-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2018-12-31	$0
Asset value of US Government securities at end of year	2018-12-31	$35,952
Asset value of US Government securities at beginning of year	2018-12-31	$18,558
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2018-12-31	$-98,905,242
Net investment gain/loss from pooled separate accounts	2018-12-31	$0
Net investment gain or loss from common/collective trusts	2018-12-31	$-886,306
Net gain/loss from 103.12 investment entities	2018-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2018-12-31	No
Was there a failure to transmit to the plan any participant contributions	2018-12-31	No
Has the plan failed to provide any benefit when due under the plan	2018-12-31	Yes
Assets. Invements in employer securities at end of year	2018-12-31	$0
Assets. Invements in employer securities at beginning of year	2018-12-31	$0
Assets. Value of employer real property at end of year	2018-12-31	$0
Assets. Value of employer real property at beginning of year	2018-12-31	$0
Contributions received in cash from employer	2018-12-31	$23,852,006
Employer contributions (assets) at end of year	2018-12-31	$0
Employer contributions (assets) at beginning of year	2018-12-31	$0
Income. Dividends from preferred stock	2018-12-31	$0
Income. Dividends from common stock	2018-12-31	$29,618
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2018-12-31	$100,763,532
Asset. Corporate debt instrument preferred debt at end of year	2018-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2018-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2018-12-31	$1,340
Asset. Corporate debt instrument debt (other) at beginning of year	2018-12-31	$2,872
Contract administrator fees	2018-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2018-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2018-12-31	$2,153,083
Assets. Corporate common stocks other than exployer securities at beginning of year	2018-12-31	$2,441,384
Liabilities. Value of benefit claims payable at end of year	2018-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2018-12-31	$0
Did the plan have assets held for investment	2018-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2018-12-31	No
Aggregate proceeds on sale of assets	2018-12-31	$2,510,714
Aggregate carrying amount (costs) on sale of assets	2018-12-31	$2,516,529
Liabilities. Value of acquisition indebtedness at end of year	2018-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2018-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2018-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2018-12-31	Disclaimer
Accountancy firm name	2018-12-31	SC&H ATTEST SERVICES, P.C.
Accountancy firm EIN	2018-12-31	521743645
2017 : MANTECH INTERNATIONAL 401(K) PLAN 2017 401k financial data
Unrealized appreciation/depreciation of real estate assets	2017-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2017-12-31	$-6,317
Total unrealized appreciation/depreciation of assets	2017-12-31	$-6,317
Total transfer of assets to this plan	2017-12-31	$50,867
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Expenses. Interest paid	2017-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2017-12-31	$0
Total income from all sources (including contributions)	2017-12-31	$230,815,331
Total loss/gain on sale of assets	2017-12-31	$302,849
Total of all expenses incurred	2017-12-31	$95,303,253
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$94,932,084
Expenses. Certain deemed distributions of participant loans	2017-12-31	$311,943
Value of total corrective distributions	2017-12-31	$6,409
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$89,483,767
Value of total assets at end of year	2017-12-31	$895,416,205
Value of total assets at beginning of year	2017-12-31	$759,853,260
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$52,817
Total income from rents	2017-12-31	$0
Total interest from all sources	2017-12-31	$494,102
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$37,804,328
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2017-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2017-12-31	$37,779,319
Assets. Real estate other than employer real property at end of year	2017-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2017-12-31	$0
Administrative expenses professional fees incurred	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2017-12-31	$0
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2017-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2017-12-31	No
Contributions received from participants	2017-12-31	$22,047,029
Participant contributions at end of year	2017-12-31	$11,361,969
Participant contributions at beginning of year	2017-12-31	$11,437,086
Participant contributions at end of year	2017-12-31	$0
Participant contributions at beginning of year	2017-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2017-12-31	$-30,825
Assets. Other investments not covered elsewhere at beginning of year	2017-12-31	$-14,718
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$18,815,282
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2017-12-31	$0
Assets. Loans (other than to participants) at end of year	2017-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2017-12-31	$0
Other income not declared elsewhere	2017-12-31	$0
Administrative expenses (other) incurred	2017-12-31	$52,817
Liabilities. Value of operating payables at end of year	2017-12-31	$0
Liabilities. Value of operating payables at beginning of year	2017-12-31	$0
Total non interest bearing cash at end of year	2017-12-31	$0
Total non interest bearing cash at beginning of year	2017-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Income. Non cash contributions	2017-12-31	$0
Value of net income/loss	2017-12-31	$135,512,078
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$895,416,205
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$759,853,260
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2017-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2017-12-31	No
Were any leases to which the plan was party in default or uncollectible	2017-12-31	No
Assets. partnership/joint venture interests at end of year	2017-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2017-12-31	$0
Investment advisory and management fees	2017-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$763,143,685
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$637,420,364
Value of interest in pooled separate accounts at end of year	2017-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2017-12-31	$0
Interest on participant loans	2017-12-31	$484,618
Income. Interest from loans (other than to participants)	2017-12-31	$0
Interest earned on other investments	2017-12-31	$0
Income. Interest from US Government securities	2017-12-31	$171
Income. Interest from corporate debt instruments	2017-12-31	$180
Value of interest in master investment trust accounts at end of year	2017-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2017-12-31	$0
Value of interest in common/collective trusts at end of year	2017-12-31	$117,004,806
Value of interest in common/collective trusts at beginning of year	2017-12-31	$107,453,972
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2017-12-31	$1,473,756
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2017-12-31	$1,491,358
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2017-12-31	$1,491,358
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2017-12-31	$9,133
Assets. Value of investments in 103.12 investment entities at end of year	2017-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2017-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2017-12-31	$0
Asset value of US Government securities at end of year	2017-12-31	$18,558
Asset value of US Government securities at beginning of year	2017-12-31	$17,935
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$84,027,016
Net investment gain/loss from pooled separate accounts	2017-12-31	$0
Net investment gain or loss from common/collective trusts	2017-12-31	$18,709,586
Net gain/loss from 103.12 investment entities	2017-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2017-12-31	No
Was there a failure to transmit to the plan any participant contributions	2017-12-31	No
Has the plan failed to provide any benefit when due under the plan	2017-12-31	Yes
Assets. Invements in employer securities at end of year	2017-12-31	$0
Assets. Invements in employer securities at beginning of year	2017-12-31	$0
Assets. Value of employer real property at end of year	2017-12-31	$0
Assets. Value of employer real property at beginning of year	2017-12-31	$0
Contributions received in cash from employer	2017-12-31	$48,621,456
Employer contributions (assets) at end of year	2017-12-31	$0
Employer contributions (assets) at beginning of year	2017-12-31	$0
Income. Dividends from preferred stock	2017-12-31	$0
Income. Dividends from common stock	2017-12-31	$25,009
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$94,932,084
Asset. Corporate debt instrument preferred debt at end of year	2017-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2017-12-31	$2,872
Asset. Corporate debt instrument debt (other) at beginning of year	2017-12-31	$2,409
Contract administrator fees	2017-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2017-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2017-12-31	$2,441,384
Assets. Corporate common stocks other than exployer securities at beginning of year	2017-12-31	$2,044,854
Liabilities. Value of benefit claims payable at end of year	2017-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2017-12-31	$0
Did the plan have assets held for investment	2017-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2017-12-31	No
Aggregate proceeds on sale of assets	2017-12-31	$3,375,167
Aggregate carrying amount (costs) on sale of assets	2017-12-31	$3,072,318
Liabilities. Value of acquisition indebtedness at end of year	2017-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2017-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2017-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2017-12-31	Disclaimer
Accountancy firm name	2017-12-31	SC&H ATTEST SERVICES, P.C.
Accountancy firm EIN	2017-12-31	521743645
2016 : MANTECH INTERNATIONAL 401(K) PLAN 2016 401k financial data
Unrealized appreciation/depreciation of real estate assets	2016-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2016-12-31	$60,903
Total unrealized appreciation/depreciation of assets	2016-12-31	$60,903
Total transfer of assets to this plan	2016-12-31	$8,298,158
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$0
Expenses. Interest paid	2016-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2016-12-31	$0
Total income from all sources (including contributions)	2016-12-31	$114,030,932
Total loss/gain on sale of assets	2016-12-31	$131,200
Total of all expenses incurred	2016-12-31	$96,127,580
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$95,959,087
Expenses. Certain deemed distributions of participant loans	2016-12-31	$89,884
Value of total corrective distributions	2016-12-31	$38,328
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$75,379,314
Value of total assets at end of year	2016-12-31	$759,853,260
Value of total assets at beginning of year	2016-12-31	$733,651,750
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$40,281
Total income from rents	2016-12-31	$0
Total interest from all sources	2016-12-31	$493,126
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$25,948,772
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2016-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2016-12-31	$25,913,852
Assets. Real estate other than employer real property at end of year	2016-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2016-12-31	$0
Administrative expenses professional fees incurred	2016-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2016-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2016-12-31	$0
Was this plan covered by a fidelity bond	2016-12-31	Yes
Value of fidelity bond cover	2016-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2016-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2016-12-31	No
Contributions received from participants	2016-12-31	$45,638,789
Participant contributions at end of year	2016-12-31	$11,437,086
Participant contributions at beginning of year	2016-12-31	$12,147,774
Participant contributions at end of year	2016-12-31	$0
Participant contributions at beginning of year	2016-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2016-12-31	$-14,718
Assets. Other investments not covered elsewhere at beginning of year	2016-12-31	$5,395
Income. Received or receivable in cash from other sources (including rollovers)	2016-12-31	$9,874,309
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2016-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2016-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2016-12-31	$0
Assets. Loans (other than to participants) at end of year	2016-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2016-12-31	$0
Other income not declared elsewhere	2016-12-31	$0
Administrative expenses (other) incurred	2016-12-31	$40,281
Liabilities. Value of operating payables at end of year	2016-12-31	$0
Liabilities. Value of operating payables at beginning of year	2016-12-31	$0
Total non interest bearing cash at end of year	2016-12-31	$0
Total non interest bearing cash at beginning of year	2016-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Income. Non cash contributions	2016-12-31	$0
Value of net income/loss	2016-12-31	$17,903,352
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$759,853,260
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$733,651,750
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2016-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2016-12-31	No
Were any leases to which the plan was party in default or uncollectible	2016-12-31	No
Assets. partnership/joint venture interests at end of year	2016-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2016-12-31	$0
Investment advisory and management fees	2016-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$637,420,364
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$670,145,275
Value of interest in pooled separate accounts at end of year	2016-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2016-12-31	$0
Interest on participant loans	2016-12-31	$491,557
Income. Interest from loans (other than to participants)	2016-12-31	$0
Interest earned on other investments	2016-12-31	$0
Income. Interest from US Government securities	2016-12-31	$168
Income. Interest from corporate debt instruments	2016-12-31	$180
Value of interest in master investment trust accounts at end of year	2016-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2016-12-31	$0
Value of interest in common/collective trusts at end of year	2016-12-31	$107,453,972
Value of interest in common/collective trusts at beginning of year	2016-12-31	$48,873,973
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2016-12-31	$1,491,358
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2016-12-31	$601,553
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2016-12-31	$601,553
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2016-12-31	$1,221
Assets. Value of investments in 103.12 investment entities at end of year	2016-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2016-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2016-12-31	$0
Asset value of US Government securities at end of year	2016-12-31	$17,935
Asset value of US Government securities at beginning of year	2016-12-31	$17,047
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$11,480,799
Net investment gain/loss from pooled separate accounts	2016-12-31	$0
Net investment gain or loss from common/collective trusts	2016-12-31	$536,818
Net gain/loss from 103.12 investment entities	2016-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2016-12-31	No
Was there a failure to transmit to the plan any participant contributions	2016-12-31	No
Has the plan failed to provide any benefit when due under the plan	2016-12-31	No
Assets. Invements in employer securities at end of year	2016-12-31	$0
Assets. Invements in employer securities at beginning of year	2016-12-31	$0
Assets. Value of employer real property at end of year	2016-12-31	$0
Assets. Value of employer real property at beginning of year	2016-12-31	$0
Contributions received in cash from employer	2016-12-31	$19,866,216
Employer contributions (assets) at end of year	2016-12-31	$0
Employer contributions (assets) at beginning of year	2016-12-31	$0
Income. Dividends from preferred stock	2016-12-31	$0
Income. Dividends from common stock	2016-12-31	$34,920
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$95,959,087
Asset. Corporate debt instrument preferred debt at end of year	2016-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2016-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2016-12-31	$2,409
Asset. Corporate debt instrument debt (other) at beginning of year	2016-12-31	$2,835
Contract administrator fees	2016-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2016-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2016-12-31	$2,044,854
Assets. Corporate common stocks other than exployer securities at beginning of year	2016-12-31	$1,857,898
Liabilities. Value of benefit claims payable at end of year	2016-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2016-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2016-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2016-12-31	$0
Did the plan have assets held for investment	2016-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2016-12-31	No
Aggregate proceeds on sale of assets	2016-12-31	$4,924,377
Aggregate carrying amount (costs) on sale of assets	2016-12-31	$4,793,177
Liabilities. Value of acquisition indebtedness at end of year	2016-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2016-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2016-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2016-12-31	Disclaimer
Accountancy firm name	2016-12-31	STOUT, CAUSEY & HORNING P.A
Accountancy firm EIN	2016-12-31	521743645
2015 : MANTECH INTERNATIONAL 401(K) PLAN 2015 401k financial data
Unrealized appreciation/depreciation of real estate assets	2015-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2015-12-31	$-264,231
Total unrealized appreciation/depreciation of assets	2015-12-31	$-264,231
Total transfer of assets to this plan	2015-12-31	$5,971,315
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Expenses. Interest paid	2015-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2015-12-31	$0
Total income from all sources (including contributions)	2015-12-31	$79,818,592
Total loss/gain on sale of assets	2015-12-31	$81,441
Total of all expenses incurred	2015-12-31	$100,045,976
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$99,859,822
Expenses. Certain deemed distributions of participant loans	2015-12-31	$109,849
Value of total corrective distributions	2015-12-31	$13,339
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$75,492,617
Value of total assets at end of year	2015-12-31	$733,651,750
Value of total assets at beginning of year	2015-12-31	$747,907,819
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$62,966
Total income from rents	2015-12-31	$0
Total interest from all sources	2015-12-31	$514,689
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$40,235,128
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2015-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2015-12-31	$40,201,594
Assets. Real estate other than employer real property at end of year	2015-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2015-12-31	$0
Administrative expenses professional fees incurred	2015-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2015-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2015-12-31	$0
Was this plan covered by a fidelity bond	2015-12-31	Yes
Value of fidelity bond cover	2015-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2015-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2015-12-31	No
Contributions received from participants	2015-12-31	$45,988,972
Participant contributions at end of year	2015-12-31	$12,147,774
Participant contributions at beginning of year	2015-12-31	$12,463,227
Participant contributions at end of year	2015-12-31	$0
Participant contributions at beginning of year	2015-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2015-12-31	$5,395
Assets. Other investments not covered elsewhere at beginning of year	2015-12-31	$159
Income. Received or receivable in cash from other sources (including rollovers)	2015-12-31	$9,596,920
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2015-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2015-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2015-12-31	$0
Assets. Loans (other than to participants) at end of year	2015-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2015-12-31	$0
Other income not declared elsewhere	2015-12-31	$0
Administrative expenses (other) incurred	2015-12-31	$62,966
Liabilities. Value of operating payables at end of year	2015-12-31	$0
Liabilities. Value of operating payables at beginning of year	2015-12-31	$0
Total non interest bearing cash at end of year	2015-12-31	$0
Total non interest bearing cash at beginning of year	2015-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Income. Non cash contributions	2015-12-31	$0
Value of net income/loss	2015-12-31	$-20,227,384
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$733,651,750
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$747,907,819
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2015-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2015-12-31	No
Were any leases to which the plan was party in default or uncollectible	2015-12-31	No
Assets. partnership/joint venture interests at end of year	2015-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2015-12-31	$0
Investment advisory and management fees	2015-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$670,145,275
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$682,770,732
Value of interest in pooled separate accounts at end of year	2015-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2015-12-31	$0
Interest on participant loans	2015-12-31	$514,272
Income. Interest from loans (other than to participants)	2015-12-31	$0
Interest earned on other investments	2015-12-31	$0
Income. Interest from US Government securities	2015-12-31	$163
Income. Interest from corporate debt instruments	2015-12-31	$180
Value of interest in master investment trust accounts at end of year	2015-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2015-12-31	$0
Value of interest in common/collective trusts at end of year	2015-12-31	$48,873,973
Value of interest in common/collective trusts at beginning of year	2015-12-31	$50,716,440
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2015-12-31	$601,553
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2015-12-31	$270,351
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2015-12-31	$270,351
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2015-12-31	$74
Assets. Value of investments in 103.12 investment entities at end of year	2015-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2015-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2015-12-31	$0
Asset value of US Government securities at end of year	2015-12-31	$17,047
Asset value of US Government securities at beginning of year	2015-12-31	$16,750
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-36,526,171
Net investment gain/loss from pooled separate accounts	2015-12-31	$0
Net investment gain or loss from common/collective trusts	2015-12-31	$285,119
Net gain/loss from 103.12 investment entities	2015-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2015-12-31	No
Was there a failure to transmit to the plan any participant contributions	2015-12-31	No
Has the plan failed to provide any benefit when due under the plan	2015-12-31	No
Assets. Invements in employer securities at end of year	2015-12-31	$0
Assets. Invements in employer securities at beginning of year	2015-12-31	$0
Assets. Value of employer real property at end of year	2015-12-31	$0
Assets. Value of employer real property at beginning of year	2015-12-31	$0
Contributions received in cash from employer	2015-12-31	$19,906,725
Employer contributions (assets) at end of year	2015-12-31	$0
Employer contributions (assets) at beginning of year	2015-12-31	$0
Income. Dividends from preferred stock	2015-12-31	$0
Income. Dividends from common stock	2015-12-31	$33,534
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$99,859,822
Asset. Corporate debt instrument preferred debt at end of year	2015-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2015-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2015-12-31	$2,835
Asset. Corporate debt instrument debt (other) at beginning of year	2015-12-31	$1,960
Contract administrator fees	2015-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2015-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2015-12-31	$1,857,898
Assets. Corporate common stocks other than exployer securities at beginning of year	2015-12-31	$1,668,200
Liabilities. Value of benefit claims payable at end of year	2015-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2015-12-31	$0
Did the plan have assets held for investment	2015-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2015-12-31	No
Aggregate proceeds on sale of assets	2015-12-31	$4,785,675
Aggregate carrying amount (costs) on sale of assets	2015-12-31	$4,704,234
Liabilities. Value of acquisition indebtedness at end of year	2015-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2015-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2015-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2015-12-31	Disclaimer
Accountancy firm name	2015-12-31	STOUT, CAUSEY & HORNING P.A
Accountancy firm EIN	2015-12-31	521743645
2014 : MANTECH INTERNATIONAL 401(K) PLAN 2014 401k financial data
Unrealized appreciation/depreciation of real estate assets	2014-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2014-12-31	$97,636
Total unrealized appreciation/depreciation of assets	2014-12-31	$97,636
Total transfer of assets to this plan	2014-12-31	$30,710,445
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Expenses. Interest paid	2014-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2014-12-31	$0
Total income from all sources (including contributions)	2014-12-31	$111,351,000
Total loss/gain on sale of assets	2014-12-31	$-72,944
Total of all expenses incurred	2014-12-31	$104,673,138
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$104,346,718
Expenses. Certain deemed distributions of participant loans	2014-12-31	$202,416
Value of total corrective distributions	2014-12-31	$23,324
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$68,703,600
Value of total assets at end of year	2014-12-31	$747,907,819
Value of total assets at beginning of year	2014-12-31	$710,519,512
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$100,680
Total income from rents	2014-12-31	$0
Total interest from all sources	2014-12-31	$513,256
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$56,294,991
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2014-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2014-12-31	$56,269,400
Assets. Real estate other than employer real property at end of year	2014-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2014-12-31	$0
Administrative expenses professional fees incurred	2014-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2014-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2014-12-31	$7,939
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2014-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2014-12-31	No
Contributions received from participants	2014-12-31	$45,866,062
Participant contributions at end of year	2014-12-31	$12,463,227
Participant contributions at beginning of year	2014-12-31	$12,892,389
Participant contributions at end of year	2014-12-31	$0
Participant contributions at beginning of year	2014-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2014-12-31	$159
Assets. Other investments not covered elsewhere at beginning of year	2014-12-31	$6,912
Income. Received or receivable in cash from other sources (including rollovers)	2014-12-31	$5,442,894
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2014-12-31	$0
Assets. Loans (other than to participants) at end of year	2014-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2014-12-31	$0
Other income not declared elsewhere	2014-12-31	$129,952
Administrative expenses (other) incurred	2014-12-31	$100,680
Liabilities. Value of operating payables at end of year	2014-12-31	$0
Liabilities. Value of operating payables at beginning of year	2014-12-31	$0
Total non interest bearing cash at end of year	2014-12-31	$0
Total non interest bearing cash at beginning of year	2014-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Income. Non cash contributions	2014-12-31	$0
Value of net income/loss	2014-12-31	$6,677,862
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$747,907,819
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$710,519,512
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2014-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2014-12-31	No
Were any leases to which the plan was party in default or uncollectible	2014-12-31	No
Assets. partnership/joint venture interests at end of year	2014-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2014-12-31	$0
Investment advisory and management fees	2014-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$682,770,732
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$642,871,788
Value of interest in pooled separate accounts at end of year	2014-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2014-12-31	$0
Interest on participant loans	2014-12-31	$512,936
Income. Interest from loans (other than to participants)	2014-12-31	$0
Interest earned on other investments	2014-12-31	$0
Income. Interest from US Government securities	2014-12-31	$152
Income. Interest from corporate debt instruments	2014-12-31	$90
Value of interest in master investment trust accounts at end of year	2014-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2014-12-31	$0
Value of interest in common/collective trusts at end of year	2014-12-31	$50,716,440
Value of interest in common/collective trusts at beginning of year	2014-12-31	$52,887,873
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2014-12-31	$270,351
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2014-12-31	$401,721
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2014-12-31	$401,721
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2014-12-31	$78
Assets. Value of investments in 103.12 investment entities at end of year	2014-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2014-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2014-12-31	$0
Asset value of US Government securities at end of year	2014-12-31	$16,750
Asset value of US Government securities at beginning of year	2014-12-31	$10,758
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$-14,886,043
Net investment gain/loss from pooled separate accounts	2014-12-31	$0
Net investment gain or loss from common/collective trusts	2014-12-31	$570,552
Net gain/loss from 103.12 investment entities	2014-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2014-12-31	No
Was there a failure to transmit to the plan any participant contributions	2014-12-31	No
Has the plan failed to provide any benefit when due under the plan	2014-12-31	No
Assets. Invements in employer securities at end of year	2014-12-31	$0
Assets. Invements in employer securities at beginning of year	2014-12-31	$0
Assets. Value of employer real property at end of year	2014-12-31	$0
Assets. Value of employer real property at beginning of year	2014-12-31	$0
Contributions received in cash from employer	2014-12-31	$17,394,644
Employer contributions (assets) at end of year	2014-12-31	$0
Employer contributions (assets) at beginning of year	2014-12-31	$0
Income. Dividends from preferred stock	2014-12-31	$290
Income. Dividends from common stock	2014-12-31	$25,301
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$104,346,718
Asset. Corporate debt instrument preferred debt at end of year	2014-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2014-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2014-12-31	$1,960
Asset. Corporate debt instrument debt (other) at beginning of year	2014-12-31	$0
Contract administrator fees	2014-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2014-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2014-12-31	$1,668,200
Assets. Corporate common stocks other than exployer securities at beginning of year	2014-12-31	$1,440,132
Liabilities. Value of benefit claims payable at end of year	2014-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2014-12-31	$0
Did the plan have assets held for investment	2014-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2014-12-31	No
Aggregate proceeds on sale of assets	2014-12-31	$4,340,846
Aggregate carrying amount (costs) on sale of assets	2014-12-31	$4,413,790
Liabilities. Value of acquisition indebtedness at end of year	2014-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2014-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2014-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2014-12-31	Disclaimer
Accountancy firm name	2014-12-31	STOUT, CAUSEY & HORNING P.A
Accountancy firm EIN	2014-12-31	521743645
2013 : MANTECH INTERNATIONAL 401(K) PLAN 2013 401k financial data
Unrealized appreciation/depreciation of real estate assets	2013-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2013-12-31	$168,459
Total unrealized appreciation/depreciation of assets	2013-12-31	$168,459
Total transfer of assets to this plan	2013-12-31	$2,663,555
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Expenses. Interest paid	2013-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2013-12-31	$0
Total income from all sources (including contributions)	2013-12-31	$201,758,156
Total loss/gain on sale of assets	2013-12-31	$44,924
Total of all expenses incurred	2013-12-31	$100,644,957
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$100,262,351
Expenses. Certain deemed distributions of participant loans	2013-12-31	$262,664
Value of total corrective distributions	2013-12-31	$19,366
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$75,878,675
Value of total assets at end of year	2013-12-31	$710,519,512
Value of total assets at beginning of year	2013-12-31	$606,742,758
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$100,576
Total income from rents	2013-12-31	$0
Total interest from all sources	2013-12-31	$497,067
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$25,986,845
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2013-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2013-12-31	$25,967,832
Assets. Real estate other than employer real property at end of year	2013-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2013-12-31	$0
Administrative expenses professional fees incurred	2013-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2013-12-31	$7,939
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2013-12-31	$16
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2013-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2013-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2013-12-31	No
Contributions received from participants	2013-12-31	$51,514,505
Participant contributions at end of year	2013-12-31	$12,892,389
Participant contributions at beginning of year	2013-12-31	$11,801,408
Participant contributions at end of year	2013-12-31	$0
Participant contributions at beginning of year	2013-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2013-12-31	$6,912
Assets. Other investments not covered elsewhere at beginning of year	2013-12-31	$4,516
Income. Received or receivable in cash from other sources (including rollovers)	2013-12-31	$7,135,207
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2013-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2013-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2013-12-31	$0
Assets. Loans (other than to participants) at end of year	2013-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2013-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2013-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2013-12-31	$0
Other income not declared elsewhere	2013-12-31	$0
Administrative expenses (other) incurred	2013-12-31	$100,576
Liabilities. Value of operating payables at end of year	2013-12-31	$0
Liabilities. Value of operating payables at beginning of year	2013-12-31	$0
Total non interest bearing cash at end of year	2013-12-31	$0
Total non interest bearing cash at beginning of year	2013-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Income. Non cash contributions	2013-12-31	$0
Value of net income/loss	2013-12-31	$101,113,199
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$710,519,512
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$606,742,758
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2013-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2013-12-31	No
Were any leases to which the plan was party in default or uncollectible	2013-12-31	No
Assets. partnership/joint venture interests at end of year	2013-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2013-12-31	$0
Investment advisory and management fees	2013-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2013-12-31	$642,871,788
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$533,999,934
Value of interest in pooled separate accounts at end of year	2013-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2013-12-31	$0
Interest on participant loans	2013-12-31	$496,886
Income. Interest from loans (other than to participants)	2013-12-31	$0
Interest earned on other investments	2013-12-31	$0
Income. Interest from US Government securities	2013-12-31	$129
Income. Interest from corporate debt instruments	2013-12-31	$0
Value of interest in master investment trust accounts at end of year	2013-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2013-12-31	$0
Value of interest in common/collective trusts at end of year	2013-12-31	$52,887,873
Value of interest in common/collective trusts at beginning of year	2013-12-31	$59,405,328
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2013-12-31	$401,721
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2013-12-31	$561,288
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2013-12-31	$561,288
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2013-12-31	$52
Assets. Value of investments in 103.12 investment entities at end of year	2013-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2013-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2013-12-31	$0
Asset value of US Government securities at end of year	2013-12-31	$10,758
Asset value of US Government securities at beginning of year	2013-12-31	$6,622
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$99,467,115
Net investment gain/loss from pooled separate accounts	2013-12-31	$0
Net investment gain or loss from common/collective trusts	2013-12-31	$-284,929
Net gain/loss from 103.12 investment entities	2013-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2013-12-31	No
Was there a failure to transmit to the plan any participant contributions	2013-12-31	No
Has the plan failed to provide any benefit when due under the plan	2013-12-31	No
Assets. Invements in employer securities at end of year	2013-12-31	$0
Assets. Invements in employer securities at beginning of year	2013-12-31	$0
Assets. Value of employer real property at end of year	2013-12-31	$0
Assets. Value of employer real property at beginning of year	2013-12-31	$0
Contributions received in cash from employer	2013-12-31	$17,228,963
Employer contributions (assets) at end of year	2013-12-31	$0
Employer contributions (assets) at beginning of year	2013-12-31	$0
Income. Dividends from preferred stock	2013-12-31	$179
Income. Dividends from common stock	2013-12-31	$18,834
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$100,262,351
Asset. Corporate debt instrument preferred debt at end of year	2013-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2013-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2013-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2013-12-31	$0
Contract administrator fees	2013-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2013-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2013-12-31	$1,440,132
Assets. Corporate common stocks other than exployer securities at beginning of year	2013-12-31	$963,646
Liabilities. Value of benefit claims payable at end of year	2013-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2013-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2013-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2013-12-31	$0
Did the plan have assets held for investment	2013-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2013-12-31	No
Aggregate proceeds on sale of assets	2013-12-31	$3,164,747
Aggregate carrying amount (costs) on sale of assets	2013-12-31	$3,119,823
Liabilities. Value of acquisition indebtedness at end of year	2013-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2013-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2013-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2013-12-31	Disclaimer
Accountancy firm name	2013-12-31	STOUT, CAUSEY & HORNING P.A
Accountancy firm EIN	2013-12-31	521743645
2012 : MANTECH INTERNATIONAL 401(K) PLAN 2012 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2012-12-31	$38,199
Total unrealized appreciation/depreciation of assets	2012-12-31	$38,199
Total transfer of assets to this plan	2012-12-31	$8,938,628
Total income from all sources (including contributions)	2012-12-31	$151,436,816
Total loss/gain on sale of assets	2012-12-31	$61,062
Total of all expenses incurred	2012-12-31	$79,524,637
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$79,263,695
Expenses. Certain deemed distributions of participant loans	2012-12-31	$145,792
Value of total corrective distributions	2012-12-31	$18,079
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$82,612,610
Value of total assets at end of year	2012-12-31	$606,742,758
Value of total assets at beginning of year	2012-12-31	$525,891,951
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$97,071
Total interest from all sources	2012-12-31	$456,459
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$15,662,026
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2012-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2012-12-31	$15,647,373
Assets. Corporate prefeered stocks other than exployer securities at end of year	2012-12-31	$16
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2012-12-31	$0
Was this plan covered by a fidelity bond	2012-12-31	Yes
Value of fidelity bond cover	2012-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2012-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2012-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2012-12-31	No
Contributions received from participants	2012-12-31	$53,284,571
Participant contributions at end of year	2012-12-31	$11,801,408
Participant contributions at beginning of year	2012-12-31	$10,482,170
Assets. Other investments not covered elsewhere at end of year	2012-12-31	$4,516
Assets. Other investments not covered elsewhere at beginning of year	2012-12-31	$2,295
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$8,220,586
Administrative expenses (other) incurred	2012-12-31	$97,071
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Value of net income/loss	2012-12-31	$71,912,179
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$606,742,758
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$525,891,951
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2012-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2012-12-31	No
Were any leases to which the plan was party in default or uncollectible	2012-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2012-12-31	$533,999,934
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2012-12-31	$454,076,763
Interest on participant loans	2012-12-31	$456,274
Income. Interest from US Government securities	2012-12-31	$115
Value of interest in common/collective trusts at end of year	2012-12-31	$59,405,328
Value of interest in common/collective trusts at beginning of year	2012-12-31	$60,192,915
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2012-12-31	$561,288
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2012-12-31	$322,902
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2012-12-31	$322,902
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2012-12-31	$70
Asset value of US Government securities at end of year	2012-12-31	$6,622
Asset value of US Government securities at beginning of year	2012-12-31	$6,110
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$51,692,281
Net investment gain or loss from common/collective trusts	2012-12-31	$914,179
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2012-12-31	No
Was there a failure to transmit to the plan any participant contributions	2012-12-31	No
Has the plan failed to provide any benefit when due under the plan	2012-12-31	No
Contributions received in cash from employer	2012-12-31	$21,107,453
Income. Dividends from common stock	2012-12-31	$14,653
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$79,263,695
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2012-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2012-12-31	$963,646
Assets. Corporate common stocks other than exployer securities at beginning of year	2012-12-31	$808,796
Did the plan have assets held for investment	2012-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2012-12-31	No
Aggregate proceeds on sale of assets	2012-12-31	$946,647
Aggregate carrying amount (costs) on sale of assets	2012-12-31	$885,585
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2012-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2012-12-31	Disclaimer
Accountancy firm name	2012-12-31	STOUT, CAUSEY & HORNING P.A
Accountancy firm EIN	2012-12-31	521743640
2011 : MANTECH INTERNATIONAL 401(K) PLAN 2011 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2011-12-31	$40,536
Total unrealized appreciation/depreciation of assets	2011-12-31	$40,536
Total transfer of assets to this plan	2011-12-31	$21,179,897
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$0
Total income from all sources (including contributions)	2011-12-31	$71,394,350
Total loss/gain on sale of assets	2011-12-31	$-5,618
Total of all expenses incurred	2011-12-31	$72,108,126
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$71,918,363
Expenses. Certain deemed distributions of participant loans	2011-12-31	$98,668
Value of total corrective distributions	2011-12-31	$13,360
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$82,565,804
Value of total assets at end of year	2011-12-31	$525,891,951
Value of total assets at beginning of year	2011-12-31	$505,425,830
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$77,735
Total interest from all sources	2011-12-31	$449,444
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$9,945,148
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2011-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2011-12-31	$9,936,651
Was this plan covered by a fidelity bond	2011-12-31	Yes
Value of fidelity bond cover	2011-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2011-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2011-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2011-12-31	No
Contributions received from participants	2011-12-31	$54,715,317
Participant contributions at end of year	2011-12-31	$10,482,170
Participant contributions at beginning of year	2011-12-31	$9,642,157
Assets. Other investments not covered elsewhere at end of year	2011-12-31	$2,295
Assets. Other investments not covered elsewhere at beginning of year	2011-12-31	$3,741
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$6,383,671
Administrative expenses (other) incurred	2011-12-31	$77,735
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Value of net income/loss	2011-12-31	$-713,776
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$525,891,951
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$505,425,830
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2011-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2011-12-31	No
Were any leases to which the plan was party in default or uncollectible	2011-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2011-12-31	$454,076,763
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2011-12-31	$434,433,408
Interest on participant loans	2011-12-31	$448,451
Income. Interest from US Government securities	2011-12-31	$112
Value of interest in common/collective trusts at end of year	2011-12-31	$60,192,915
Value of interest in common/collective trusts at beginning of year	2011-12-31	$47,966,394
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2011-12-31	$322,902
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2011-12-31	$12,729,987
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2011-12-31	$12,729,987
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2011-12-31	$881
Asset value of US Government securities at end of year	2011-12-31	$6,110
Asset value of US Government securities at beginning of year	2011-12-31	$5,164
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2011-12-31	$-23,306,609
Net investment gain or loss from common/collective trusts	2011-12-31	$1,705,645
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2011-12-31	No
Was there a failure to transmit to the plan any participant contributions	2011-12-31	No
Has the plan failed to provide any benefit when due under the plan	2011-12-31	No
Contributions received in cash from employer	2011-12-31	$21,466,816
Income. Dividends from common stock	2011-12-31	$8,497
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$71,918,363
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2011-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2011-12-31	$808,796
Assets. Corporate common stocks other than exployer securities at beginning of year	2011-12-31	$644,979
Did the plan have assets held for investment	2011-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2011-12-31	No
Aggregate proceeds on sale of assets	2011-12-31	$1,230,011
Aggregate carrying amount (costs) on sale of assets	2011-12-31	$1,235,629
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2011-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2011-12-31	Disclaimer
Accountancy firm name	2011-12-31	DELOITTE & TOUCHE, LLC
Accountancy firm EIN	2011-12-31	133891517
2010 : MANTECH INTERNATIONAL 401(K) PLAN 2010 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2010-12-31	$2,630
Total unrealized appreciation/depreciation of assets	2010-12-31	$2,630
Total transfer of assets to this plan	2010-12-31	$6,233,006
Total income from all sources (including contributions)	2010-12-31	$138,497,298
Total loss/gain on sale of assets	2010-12-31	$18,561
Total of all expenses incurred	2010-12-31	$52,157,520
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$51,995,957
Expenses. Certain deemed distributions of participant loans	2010-12-31	$79,916
Value of total corrective distributions	2010-12-31	$23,048
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$80,537,031
Value of total assets at end of year	2010-12-31	$505,425,830
Value of total assets at beginning of year	2010-12-31	$412,853,046
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$58,599
Total interest from all sources	2010-12-31	$422,843
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$8,738,278
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2010-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2010-12-31	$8,731,017
Assets. Corporate prefeered stocks other than exployer securities at end of year	2010-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2010-12-31	$2,497
Was this plan covered by a fidelity bond	2010-12-31	Yes
Value of fidelity bond cover	2010-12-31	$1,000,000
If this is an individual account plan, was there a blackout period	2010-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2010-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2010-12-31	No
Contributions received from participants	2010-12-31	$49,785,471
Participant contributions at end of year	2010-12-31	$9,642,157
Participant contributions at beginning of year	2010-12-31	$7,358,908
Participant contributions at end of year	2010-12-31	$0
Participant contributions at beginning of year	2010-12-31	$1,365,742
Assets. Other investments not covered elsewhere at end of year	2010-12-31	$3,741
Assets. Other investments not covered elsewhere at beginning of year	2010-12-31	$-3,962
Income. Received or receivable in cash from other sources (including rollovers)	2010-12-31	$10,407,189
Administrative expenses (other) incurred	2010-12-31	$58,599
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Value of net income/loss	2010-12-31	$86,339,778
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$505,425,830
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$412,853,046
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2010-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2010-12-31	No
Were any leases to which the plan was party in default or uncollectible	2010-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2010-12-31	$434,433,408
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2010-12-31	$340,631,397
Value of interest in pooled separate accounts at end of year	2010-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2010-12-31	$720,312
Interest on participant loans	2010-12-31	$413,957
Income. Interest from US Government securities	2010-12-31	$109
Income. Interest from corporate debt instruments	2010-12-31	$105
Value of interest in common/collective trusts at end of year	2010-12-31	$47,966,394
Value of interest in common/collective trusts at beginning of year	2010-12-31	$48,098,628
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2010-12-31	$12,729,987
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2010-12-31	$13,062,043
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2010-12-31	$13,062,043
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2010-12-31	$8,672
Asset value of US Government securities at end of year	2010-12-31	$5,164
Asset value of US Government securities at beginning of year	2010-12-31	$4,840
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2010-12-31	$46,916,438
Net investment gain or loss from common/collective trusts	2010-12-31	$1,861,517
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2010-12-31	No
Was there a failure to transmit to the plan any participant contributions	2010-12-31	No
Has the plan failed to provide any benefit when due under the plan	2010-12-31	No
Contributions received in cash from employer	2010-12-31	$20,344,371
Employer contributions (assets) at end of year	2010-12-31	$0
Employer contributions (assets) at beginning of year	2010-12-31	$1,067,980
Income. Dividends from preferred stock	2010-12-31	$168
Income. Dividends from common stock	2010-12-31	$7,093
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$51,995,957
Asset. Corporate debt instrument debt (other) at end of year	2010-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2010-12-31	$3,011
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2010-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2010-12-31	$644,979
Assets. Corporate common stocks other than exployer securities at beginning of year	2010-12-31	$541,650
Did the plan have assets held for investment	2010-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2010-12-31	No
Aggregate proceeds on sale of assets	2010-12-31	$2,688,020
Aggregate carrying amount (costs) on sale of assets	2010-12-31	$2,669,459
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2010-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2010-12-31	Disclaimer
Accountancy firm name	2010-12-31	DELOITTE AND TOUCHE LLP
Accountancy firm EIN	2010-12-31	133891517
2009 : MANTECH INTERNATIONAL 401(K) PLAN 2009 401k financial data
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2009-12-31	$0

Form 5500 Responses for MANTECH INTERNATIONAL 401(K) PLAN

2022: MANTECH INTERNATIONAL 401(K) PLAN 2022 form 5500 responses
2022-01-01	Type of plan entity	Single employer plan
2022-01-01	Submission has been amended	No
2022-01-01	This submission is the final filing	No
2022-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2022-01-01	Plan is a collectively bargained plan	No
2022-01-01	Plan funding arrangement – Trust	Yes
2022-01-01	Plan benefit arrangement - Trust	Yes
2021: MANTECH INTERNATIONAL 401(K) PLAN 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	Submission has been amended	No
2021-01-01	This submission is the final filing	No
2021-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2021-01-01	Plan is a collectively bargained plan	No
2021-01-01	Plan funding arrangement – Trust	Yes
2021-01-01	Plan benefit arrangement - Trust	Yes
2020: MANTECH INTERNATIONAL 401(K) PLAN 2020 form 5500 responses
2020-01-01	Type of plan entity	Single employer plan
2020-01-01	Submission has been amended	No
2020-01-01	This submission is the final filing	No
2020-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2020-01-01	Plan is a collectively bargained plan	No
2020-01-01	Plan funding arrangement – Trust	Yes
2020-01-01	Plan benefit arrangement - Trust	Yes
2019: MANTECH INTERNATIONAL 401(K) PLAN 2019 form 5500 responses
2019-01-01	Type of plan entity	Single employer plan
2019-01-01	Submission has been amended	No
2019-01-01	This submission is the final filing	No
2019-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2019-01-01	Plan is a collectively bargained plan	No
2019-01-01	Plan funding arrangement – Trust	Yes
2019-01-01	Plan benefit arrangement - Trust	Yes
2018: MANTECH INTERNATIONAL 401(K) PLAN 2018 form 5500 responses
2018-01-01	Type of plan entity	Single employer plan
2018-01-01	Submission has been amended	No
2018-01-01	This submission is the final filing	No
2018-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2018-01-01	Plan is a collectively bargained plan	No
2018-01-01	Plan funding arrangement – Trust	Yes
2018-01-01	Plan benefit arrangement - Trust	Yes
2017: MANTECH INTERNATIONAL 401(K) PLAN 2017 form 5500 responses
2017-01-01	Type of plan entity	Single employer plan
2017-01-01	Submission has been amended	No
2017-01-01	This submission is the final filing	No
2017-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2017-01-01	Plan is a collectively bargained plan	No
2017-01-01	Plan funding arrangement – Trust	Yes
2017-01-01	Plan benefit arrangement - Trust	Yes
2016: MANTECH INTERNATIONAL 401(K) PLAN 2016 form 5500 responses
2016-01-01	Type of plan entity	Single employer plan
2016-01-01	Submission has been amended	No
2016-01-01	This submission is the final filing	No
2016-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2016-01-01	Plan is a collectively bargained plan	No
2016-01-01	Plan funding arrangement – Trust	Yes
2016-01-01	Plan benefit arrangement - Trust	Yes
2015: MANTECH INTERNATIONAL 401(K) PLAN 2015 form 5500 responses
2015-01-01	Type of plan entity	Single employer plan
2015-01-01	Submission has been amended	No
2015-01-01	This submission is the final filing	No
2015-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2015-01-01	Plan is a collectively bargained plan	No
2015-01-01	Plan funding arrangement – Trust	Yes
2015-01-01	Plan benefit arrangement - Trust	Yes
2014: MANTECH INTERNATIONAL 401(K) PLAN 2014 form 5500 responses
2014-01-01	Type of plan entity	Single employer plan
2014-01-01	Submission has been amended	No
2014-01-01	This submission is the final filing	No
2014-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2014-01-01	Plan is a collectively bargained plan	No
2014-01-01	Plan funding arrangement – Trust	Yes
2014-01-01	Plan benefit arrangement - Trust	Yes
2013: MANTECH INTERNATIONAL 401(K) PLAN 2013 form 5500 responses
2013-01-01	Type of plan entity	Single employer plan
2013-01-01	Submission has been amended	Yes
2013-01-01	This submission is the final filing	No
2013-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2013-01-01	Plan is a collectively bargained plan	No
2013-01-01	Plan funding arrangement – Trust	Yes
2013-01-01	Plan benefit arrangement - Trust	Yes
2012: MANTECH INTERNATIONAL 401(K) PLAN 2012 form 5500 responses
2012-01-01	Type of plan entity	Single employer plan
2012-01-01	Submission has been amended	No
2012-01-01	This submission is the final filing	No
2012-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2012-01-01	Plan funding arrangement – Trust	Yes
2012-01-01	Plan benefit arrangement - Trust	Yes
2011: MANTECH INTERNATIONAL 401(K) PLAN 2011 form 5500 responses
2011-01-01	Type of plan entity	Single employer plan
2011-01-01	Submission has been amended	Yes
2011-01-01	This submission is the final filing	No
2011-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2011-01-01	Plan funding arrangement – Trust	Yes
2011-01-01	Plan benefit arrangement - Trust	Yes
2010: MANTECH INTERNATIONAL 401(K) PLAN 2010 form 5500 responses
2010-01-01	Type of plan entity	Single employer plan
2010-01-01	Submission has been amended	No
2010-01-01	This submission is the final filing	No
2010-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2010-01-01	Plan funding arrangement – Insurance	Yes
2010-01-01	Plan funding arrangement – Trust	Yes
2010-01-01	Plan benefit arrangement – Insurance	Yes
2010-01-01	Plan benefit arrangement - Trust	Yes
2009: MANTECH INTERNATIONAL 401(K) PLAN 2009 form 5500 responses
2009-01-01	Type of plan entity	Single employer plan
2009-01-01	Submission has been amended	No
2009-01-01	This submission is the final filing	No
2009-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2009-01-01	Plan is a collectively bargained plan	Yes
2009-01-01	Plan funding arrangement – Insurance	Yes
2009-01-01	Plan funding arrangement – Trust	Yes
2009-01-01	Plan benefit arrangement – Insurance	Yes
2009-01-01	Plan benefit arrangement - Trust	Yes

Insurance Providers Used on plan

PRINCIPAL LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 61271 )

Policy contract number

416221

Policy instance

Insurance contract or identification number	416221
Number of Individuals Covered	0
Insurance policy start date	2010-01-01
Insurance policy end date	2010-10-22
Total amount of commissions paid to insurance broker	USD $486
Total amount of fees paid to insurance company	USD $189
Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500?	No
Commission paid to Insurance Broker	USD $486
Amount paid for insurance broker fees	189
Additional information about fees paid to insurance broker	REFERRAL/SERVICE FEE
Insurance broker organization code?	3
Insurance broker name	SALLY DONAHUE

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Company Name:	MANTECH INTERNATIONAL CORPORATION
Employer identification number (EIN):	221852179
NAIC Classification:	541600