401k Plan data: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN plan

TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 401k Plan overview

Plan Name	TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN
Plan identification number	001

TREX COMPANY, INC. 401(K) PROFIT SHARING 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.
Plan provides for automatic enrollment in plan that has employee contributions deducted from payroll.
Total or partial participant-directed account plan - plan uses default investment account for participants who fail to direct assets in their account.
Master plan - A pension plan that is made available by a sponsor for adoption by employers; that is the subject of a favorable opinion letter; and for which a single funding medium (for example, a trust or custodial account) is established for the joint use of all adopting employers.
Plan sponsor(s) is (are) a member(s) of a controlled group (Code sections 414(b), (c), or (m)).

401k Sponsoring company profile

TREX COMPANY, INC. has sponsored the creation of one or more 401k plans.

Company Name: TREX COMPANY, INC.

Employer identification number (EIN): 541910453

NAIC Classification: 326100

Additional information about TREX COMPANY, INC.

Jurisdiction of Incorporation: State of Delaware Division of Corporations

Incorporation Date: 2003-08-11

Company Identification Number: 2941461

Legal Registered Office Address: 230 East 85Th Street

New York
United States of America (USA)
10028

More information about TREX COMPANY, INC.

Form 5500 Filing Information

Submission information for form 5500 for 401k plan TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
001 2022-01-01
001 2021-01-01
001 2020-01-01
001 2019-01-01
001 2018-01-01
001 2017-01-01 MELISSA DAVEY JACOB T. RUDOLPH, III 2018-09-07
001 2016-01-01 MELISSA DAVEY JACOB T. RUDOLPH, III 2017-10-03
001 2015-01-01 MELISSA DAVEY WILLIAM R. GUPP 2016-09-16
001 2014-01-01 JACOB RUDOLPH WILLIAM GUPP 2015-08-19
001 2013-01-01 LEIGH ANN IRWIN WILLIAM R. GUPP 2014-08-15
001 2012-01-01 LEIGH ANN IRWIN WILLIAM GUPP 2013-09-12
001 2011-01-01 LEIGH ANN IRWIN WILLIAM R. GUPP 2012-08-20
001 2009-01-01 LEIGH IRWIN LEIGH IRWIN 2010-09-16

Plan id#	Filing Submission Date	Name of Administrator	Name of Company Sponsor	Date Sponsor Signed
001	2022-01-01
001	2021-01-01
001	2020-01-01
001	2019-01-01
001	2018-01-01
001	2017-01-01	MELISSA DAVEY	JACOB T. RUDOLPH, III	2018-09-07
001	2016-01-01	MELISSA DAVEY	JACOB T. RUDOLPH, III	2017-10-03
001	2015-01-01	MELISSA DAVEY	WILLIAM R. GUPP	2016-09-16
001	2014-01-01	JACOB RUDOLPH	WILLIAM GUPP	2015-08-19
001	2013-01-01	LEIGH ANN IRWIN	WILLIAM R. GUPP	2014-08-15
001	2012-01-01	LEIGH ANN IRWIN	WILLIAM GUPP	2013-09-12
001	2011-01-01	LEIGH ANN IRWIN	WILLIAM R. GUPP	2012-08-20
001	2009-01-01	LEIGH IRWIN	LEIGH IRWIN	2010-09-16

Plan Statistics for TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN

401k plan membership statisitcs for TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN

Measure Date Value
2022: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2022 401k membership
Total participants, beginning-of-year 2022-01-01 2,210
Total number of active participants reported on line 7a of the Form 5500 2022-01-01 1,629
Number of retired or separated participants receiving benefits 2022-01-01 6
Number of other retired or separated participants entitled to future benefits 2022-01-01 401
Total of all active and inactive participants 2022-01-01 2,036
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2022-01-01 8
Total participants 2022-01-01 2,044
Number of participants with account balances 2022-01-01 2,033
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2022-01-01 448
2021: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2021 401k membership
Total participants, beginning-of-year 2021-01-01 1,699
Total number of active participants reported on line 7a of the Form 5500 2021-01-01 1,858
Number of retired or separated participants receiving benefits 2021-01-01 4
Number of other retired or separated participants entitled to future benefits 2021-01-01 340
Total of all active and inactive participants 2021-01-01 2,202
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2021-01-01 8
Total participants 2021-01-01 2,210
Number of participants with account balances 2021-01-01 2,165
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2021-01-01 350
2020: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2020 401k membership
Total participants, beginning-of-year 2020-01-01 1,301
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 1,484
Number of retired or separated participants receiving benefits 2020-01-01 4
Number of other retired or separated participants entitled to future benefits 2020-01-01 205
Total of all active and inactive participants 2020-01-01 1,693
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2020-01-01 6
Total participants 2020-01-01 1,699
Number of participants with account balances 2020-01-01 1,671
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2020-01-01 181
2019: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2019 401k membership
Total participants, beginning-of-year 2019-01-01 1,134
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 1,133
Number of retired or separated participants receiving benefits 2019-01-01 4
Number of other retired or separated participants entitled to future benefits 2019-01-01 159
Total of all active and inactive participants 2019-01-01 1,296
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2019-01-01 5
Total participants 2019-01-01 1,301
Number of participants with account balances 2019-01-01 1,254
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2019-01-01 91
2018: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2018 401k membership
Total participants, beginning-of-year 2018-01-01 1,020
Total number of active participants reported on line 7a of the Form 5500 2018-01-01 994
Number of retired or separated participants receiving benefits 2018-01-01 1
Number of other retired or separated participants entitled to future benefits 2018-01-01 137
Total of all active and inactive participants 2018-01-01 1,132
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2018-01-01 2
Total participants 2018-01-01 1,134
Number of participants with account balances 2018-01-01 1,108
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2018-01-01 68
2017: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2017 401k membership
Total participants, beginning-of-year 2017-01-01 787
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 870
Number of retired or separated participants receiving benefits 2017-01-01 1
Number of other retired or separated participants entitled to future benefits 2017-01-01 147
Total of all active and inactive participants 2017-01-01 1,018
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-01-01 2
Total participants 2017-01-01 1,020
Number of participants with account balances 2017-01-01 1,006
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-01-01 70
2016: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2016 401k membership
Total participants, beginning-of-year 2016-01-01 725
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 678
Number of retired or separated participants receiving benefits 2016-01-01 0
Number of other retired or separated participants entitled to future benefits 2016-01-01 109
Total of all active and inactive participants 2016-01-01 787
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2016-01-01 0
Total participants 2016-01-01 787
Number of participants with account balances 2016-01-01 764
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2016-01-01 19
2015: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2015 401k membership
Total participants, beginning-of-year 2015-01-01 657
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 630
Number of retired or separated participants receiving benefits 2015-01-01 0
Number of other retired or separated participants entitled to future benefits 2015-01-01 95
Total of all active and inactive participants 2015-01-01 725
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2015-01-01 0
Total participants 2015-01-01 725
Number of participants with account balances 2015-01-01 713
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2015-01-01 12
2014: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2014 401k membership
Total participants, beginning-of-year 2014-01-01 615
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 567
Number of retired or separated participants receiving benefits 2014-01-01 0
Number of other retired or separated participants entitled to future benefits 2014-01-01 90
Total of all active and inactive participants 2014-01-01 657
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2014-01-01 0
Total participants 2014-01-01 657
Number of participants with account balances 2014-01-01 650
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2014-01-01 10
2013: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2013 401k membership
Total participants, beginning-of-year 2013-01-01 637
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 529
Number of retired or separated participants receiving benefits 2013-01-01 0
Number of other retired or separated participants entitled to future benefits 2013-01-01 86
Total of all active and inactive participants 2013-01-01 615
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2013-01-01 0
Total participants 2013-01-01 615
Number of participants with account balances 2013-01-01 599
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2013-01-01 6
2012: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2012 401k membership
Total participants, beginning-of-year 2012-01-01 687
Total number of active participants reported on line 7a of the Form 5500 2012-01-01 553
Number of retired or separated participants receiving benefits 2012-01-01 0
Number of other retired or separated participants entitled to future benefits 2012-01-01 84
Total of all active and inactive participants 2012-01-01 637
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2012-01-01 0
Total participants 2012-01-01 637
Number of participants with account balances 2012-01-01 602
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2012-01-01 5
2011: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2011 401k membership
Total participants, beginning-of-year 2011-01-01 647
Total number of active participants reported on line 7a of the Form 5500 2011-01-01 526
Number of retired or separated participants receiving benefits 2011-01-01 1
Number of other retired or separated participants entitled to future benefits 2011-01-01 160
Total of all active and inactive participants 2011-01-01 687
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2011-01-01 0
Total participants 2011-01-01 687
Number of participants with account balances 2011-01-01 687
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2011-01-01 47
2009: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2009 401k membership
Total participants, beginning-of-year 2009-01-01 803
Total number of active participants reported on line 7a of the Form 5500 2009-01-01 493
Number of retired or separated participants receiving benefits 2009-01-01 0
Number of other retired or separated participants entitled to future benefits 2009-01-01 171
Total of all active and inactive participants 2009-01-01 664
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2009-01-01 0
Total participants 2009-01-01 664
Number of participants with account balances 2009-01-01 664
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2009-01-01 55

Measure	Date	Value
2022: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2022 401k membership
Total participants, beginning-of-year	2022-01-01	2,210
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	1,629
Number of retired or separated participants receiving benefits	2022-01-01	6
Number of other retired or separated participants entitled to future benefits	2022-01-01	401
Total of all active and inactive participants	2022-01-01	2,036
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	8
Total participants	2022-01-01	2,044
Number of participants with account balances	2022-01-01	2,033
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	448
2021: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2021 401k membership
Total participants, beginning-of-year	2021-01-01	1,699
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	1,858
Number of retired or separated participants receiving benefits	2021-01-01	4
Number of other retired or separated participants entitled to future benefits	2021-01-01	340
Total of all active and inactive participants	2021-01-01	2,202
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	8
Total participants	2021-01-01	2,210
Number of participants with account balances	2021-01-01	2,165
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	350
2020: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2020 401k membership
Total participants, beginning-of-year	2020-01-01	1,301
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	1,484
Number of retired or separated participants receiving benefits	2020-01-01	4
Number of other retired or separated participants entitled to future benefits	2020-01-01	205
Total of all active and inactive participants	2020-01-01	1,693
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	6
Total participants	2020-01-01	1,699
Number of participants with account balances	2020-01-01	1,671
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	181
2019: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2019 401k membership
Total participants, beginning-of-year	2019-01-01	1,134
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	1,133
Number of retired or separated participants receiving benefits	2019-01-01	4
Number of other retired or separated participants entitled to future benefits	2019-01-01	159
Total of all active and inactive participants	2019-01-01	1,296
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	5
Total participants	2019-01-01	1,301
Number of participants with account balances	2019-01-01	1,254
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	91
2018: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2018 401k membership
Total participants, beginning-of-year	2018-01-01	1,020
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	994
Number of retired or separated participants receiving benefits	2018-01-01	1
Number of other retired or separated participants entitled to future benefits	2018-01-01	137
Total of all active and inactive participants	2018-01-01	1,132
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	2
Total participants	2018-01-01	1,134
Number of participants with account balances	2018-01-01	1,108
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	68
2017: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2017 401k membership
Total participants, beginning-of-year	2017-01-01	787
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	870
Number of retired or separated participants receiving benefits	2017-01-01	1
Number of other retired or separated participants entitled to future benefits	2017-01-01	147
Total of all active and inactive participants	2017-01-01	1,018
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	2
Total participants	2017-01-01	1,020
Number of participants with account balances	2017-01-01	1,006
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	70
2016: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2016 401k membership
Total participants, beginning-of-year	2016-01-01	725
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	678
Number of retired or separated participants receiving benefits	2016-01-01	0
Number of other retired or separated participants entitled to future benefits	2016-01-01	109
Total of all active and inactive participants	2016-01-01	787
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	0
Total participants	2016-01-01	787
Number of participants with account balances	2016-01-01	764
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	19
2015: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2015 401k membership
Total participants, beginning-of-year	2015-01-01	657
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	630
Number of retired or separated participants receiving benefits	2015-01-01	0
Number of other retired or separated participants entitled to future benefits	2015-01-01	95
Total of all active and inactive participants	2015-01-01	725
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	0
Total participants	2015-01-01	725
Number of participants with account balances	2015-01-01	713
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	12
2014: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2014 401k membership
Total participants, beginning-of-year	2014-01-01	615
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	567
Number of retired or separated participants receiving benefits	2014-01-01	0
Number of other retired or separated participants entitled to future benefits	2014-01-01	90
Total of all active and inactive participants	2014-01-01	657
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	0
Total participants	2014-01-01	657
Number of participants with account balances	2014-01-01	650
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	10
2013: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2013 401k membership
Total participants, beginning-of-year	2013-01-01	637
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	529
Number of retired or separated participants receiving benefits	2013-01-01	0
Number of other retired or separated participants entitled to future benefits	2013-01-01	86
Total of all active and inactive participants	2013-01-01	615
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	0
Total participants	2013-01-01	615
Number of participants with account balances	2013-01-01	599
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	6
2012: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2012 401k membership
Total participants, beginning-of-year	2012-01-01	687
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	553
Number of retired or separated participants receiving benefits	2012-01-01	0
Number of other retired or separated participants entitled to future benefits	2012-01-01	84
Total of all active and inactive participants	2012-01-01	637
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	0
Total participants	2012-01-01	637
Number of participants with account balances	2012-01-01	602
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	5
2011: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2011 401k membership
Total participants, beginning-of-year	2011-01-01	647
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	526
Number of retired or separated participants receiving benefits	2011-01-01	1
Number of other retired or separated participants entitled to future benefits	2011-01-01	160
Total of all active and inactive participants	2011-01-01	687
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	0
Total participants	2011-01-01	687
Number of participants with account balances	2011-01-01	687
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	47
2009: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2009 401k membership
Total participants, beginning-of-year	2009-01-01	803
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	493
Number of retired or separated participants receiving benefits	2009-01-01	0
Number of other retired or separated participants entitled to future benefits	2009-01-01	171
Total of all active and inactive participants	2009-01-01	664
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	0
Total participants	2009-01-01	664
Number of participants with account balances	2009-01-01	664
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	55

Financial Data on TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN

Measure	Date	Value
2022 : TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2022 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2022-12-31	$74,517
Total unrealized appreciation/depreciation of assets	2022-12-31	$74,517
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$0
Total income from all sources (including contributions)	2022-12-31	$-5,400,480
Total loss/gain on sale of assets	2022-12-31	$0
Total of all expenses incurred	2022-12-31	$15,972,126
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$15,680,677
Expenses. Certain deemed distributions of participant loans	2022-12-31	$11,043
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$19,385,084
Value of total assets at end of year	2022-12-31	$125,141,538
Value of total assets at beginning of year	2022-12-31	$146,514,144
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$280,406
Total interest from all sources	2022-12-31	$173,030
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$3,284,530
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	$3,284,530
Was this plan covered by a fidelity bond	2022-12-31	Yes
Value of fidelity bond cover	2022-12-31	$1,000,000
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	$11,132,268
Participant contributions at end of year	2022-12-31	$3,724,846
Participant contributions at beginning of year	2022-12-31	$3,450,850
Assets. Other investments not covered elsewhere at end of year	2022-12-31	$3,685,488
Assets. Other investments not covered elsewhere at beginning of year	2022-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2022-12-31	$1,243,963
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2022-12-31	$106,184
Other income not declared elsewhere	2022-12-31	$94,462
Administrative expenses (other) incurred	2022-12-31	$280,406
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
Value of net income/loss	2022-12-31	$-21,372,606
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$125,141,538
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$146,514,144
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-12-31	$117,731,204
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$143,063,294
Interest on participant loans	2022-12-31	$173,030
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2022-12-31	$-28,412,103
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	No
Contributions received in cash from employer	2022-12-31	$7,008,853
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-12-31	$15,574,493
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
Opinion of an independent qualified public accountant for this plan	2022-12-31	Unqualified
Accountancy firm name	2022-12-31	YOUNT, HYDE & BARBOUR P.C.
Accountancy firm EIN	2022-12-31	541149263
2021 : TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2021 401k financial data
Total unrealized appreciation/depreciation of assets	2021-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$0
Total income from all sources (including contributions)	2021-12-31	$34,858,211
Total loss/gain on sale of assets	2021-12-31	$0
Total of all expenses incurred	2021-12-31	$11,721,466
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$11,436,935
Expenses. Certain deemed distributions of participant loans	2021-12-31	$31,883
Value of total corrective distributions	2021-12-31	$7,271
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$18,388,768
Value of total assets at end of year	2021-12-31	$146,514,144
Value of total assets at beginning of year	2021-12-31	$123,377,399
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$245,377
Total interest from all sources	2021-12-31	$150,401
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$13,747,254
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	$13,747,254
Was this plan covered by a fidelity bond	2021-12-31	Yes
Value of fidelity bond cover	2021-12-31	$1,000,000
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	$9,685,146
Participant contributions at end of year	2021-12-31	$3,450,850
Participant contributions at beginning of year	2021-12-31	$2,829,014
Income. Received or receivable in cash from other sources (including rollovers)	2021-12-31	$1,689,963
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2021-12-31	$523
Other income not declared elsewhere	2021-12-31	$180,884
Administrative expenses (other) incurred	2021-12-31	$245,377
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
Value of net income/loss	2021-12-31	$23,136,745
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$146,514,144
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$123,377,399
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2021-12-31	$143,063,294
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$120,548,385
Interest on participant loans	2021-12-31	$150,401
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2021-12-31	$2,390,904
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	No
Contributions received in cash from employer	2021-12-31	$7,013,659
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2021-12-31	$11,436,412
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
Opinion of an independent qualified public accountant for this plan	2021-12-31	Unqualified
Accountancy firm name	2021-12-31	YOUNT, HYDE & BARBOUR P.C.
Accountancy firm EIN	2021-12-31	541149263
2020 : TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2020 401k financial data
Total unrealized appreciation/depreciation of assets	2020-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Total income from all sources (including contributions)	2020-12-31	$31,108,828
Total loss/gain on sale of assets	2020-12-31	$0
Total of all expenses incurred	2020-12-31	$4,660,555
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$4,452,418
Expenses. Certain deemed distributions of participant loans	2020-12-31	$6,850
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$13,397,679
Value of total assets at end of year	2020-12-31	$123,377,399
Value of total assets at beginning of year	2020-12-31	$96,929,126
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$201,287
Total interest from all sources	2020-12-31	$154,002
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$3,590,925
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	$3,590,925
Was this plan covered by a fidelity bond	2020-12-31	Yes
Value of fidelity bond cover	2020-12-31	$1,000,000
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	$7,526,696
Participant contributions at end of year	2020-12-31	$2,829,014
Participant contributions at beginning of year	2020-12-31	$2,619,101
Income. Received or receivable in cash from other sources (including rollovers)	2020-12-31	$359,152
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2020-12-31	$138
Other income not declared elsewhere	2020-12-31	$23,387
Administrative expenses (other) incurred	2020-12-31	$201,287
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
Value of net income/loss	2020-12-31	$26,448,273
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$123,377,399
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$96,929,126
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-12-31	$120,548,385
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$94,310,025
Interest on participant loans	2020-12-31	$154,002
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2020-12-31	$13,942,835
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	No
Contributions received in cash from employer	2020-12-31	$5,511,831
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-12-31	$4,452,280
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
Opinion of an independent qualified public accountant for this plan	2020-12-31	Disclaimer
Accountancy firm name	2020-12-31	YOUNT, HYDE & BARBOUR P.C
Accountancy firm EIN	2020-12-31	541149263
2019 : TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2019 401k financial data
Total unrealized appreciation/depreciation of assets	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total income from all sources (including contributions)	2019-12-31	$27,911,785
Total loss/gain on sale of assets	2019-12-31	$0
Total of all expenses incurred	2019-12-31	$4,493,027
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$4,413,670
Value of total corrective distributions	2019-12-31	$10,173
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$11,039,650
Value of total assets at end of year	2019-12-31	$96,929,126
Value of total assets at beginning of year	2019-12-31	$73,510,368
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$69,184
Total interest from all sources	2019-12-31	$128,306
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$2,523,381
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	$2,523,381
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$1,000,000
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	$6,240,806
Participant contributions at end of year	2019-12-31	$2,619,101
Participant contributions at beginning of year	2019-12-31	$2,123,680
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$169,609
Other income not declared elsewhere	2019-12-31	$1,126
Administrative expenses (other) incurred	2019-12-31	$69,184
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
Value of net income/loss	2019-12-31	$23,418,758
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$96,929,126
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$73,510,368
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$94,310,025
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$71,386,688
Interest on participant loans	2019-12-31	$128,306
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$14,219,322
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	No
Contributions received in cash from employer	2019-12-31	$4,629,235
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$4,413,670
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
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	YOUNT, HYDE & BARBOUR P.C.
Accountancy firm EIN	2019-12-31	541149263
2018 : TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2018 401k financial data
Total unrealized appreciation/depreciation of assets	2018-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Total income from all sources (including contributions)	2018-12-31	$5,698,229
Total loss/gain on sale of assets	2018-12-31	$0
Total of all expenses incurred	2018-12-31	$2,772,628
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$2,666,585
Value of total corrective distributions	2018-12-31	$19,347
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$10,139,279
Value of total assets at end of year	2018-12-31	$73,510,368
Value of total assets at beginning of year	2018-12-31	$70,584,767
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$86,696
Total interest from all sources	2018-12-31	$98,408
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$2,363,553
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	$2,363,553
Was this plan covered by a fidelity bond	2018-12-31	Yes
Value of fidelity bond cover	2018-12-31	$1,000,000
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	$5,349,073
Participant contributions at end of year	2018-12-31	$2,123,680
Participant contributions at beginning of year	2018-12-31	$2,024,838
Income. Received or receivable in cash from other sources (including rollovers)	2018-12-31	$694,058
Other income not declared elsewhere	2018-12-31	$9,432
Administrative expenses (other) incurred	2018-12-31	$86,696
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
Value of net income/loss	2018-12-31	$2,925,601
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$73,510,368
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$70,584,767
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2018-12-31	$71,386,688
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$68,559,929
Interest on participant loans	2018-12-31	$98,408
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2018-12-31	$-6,912,443
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	No
Contributions received in cash from employer	2018-12-31	$4,096,148
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2018-12-31	$2,666,585
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
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	YOUNT, HYDE & BARBOUR P.C.
Accountancy firm EIN	2018-12-31	541149263
2017 : TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2017 401k financial data
Total unrealized appreciation/depreciation of assets	2017-12-31	$0
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
Total income from all sources (including contributions)	2017-12-31	$18,289,887
Total loss/gain on sale of assets	2017-12-31	$0
Total of all expenses incurred	2017-12-31	$3,458,962
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$3,385,199
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$7,591,468
Value of total assets at end of year	2017-12-31	$70,584,767
Value of total assets at beginning of year	2017-12-31	$55,753,842
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$73,763
Total interest from all sources	2017-12-31	$84,409
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$1,754,067
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	$1,754,067
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$1,000,000
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	$3,963,462
Participant contributions at end of year	2017-12-31	$2,024,838
Participant contributions at beginning of year	2017-12-31	$1,621,563
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$563,849
Other income not declared elsewhere	2017-12-31	$1,078
Administrative expenses (other) incurred	2017-12-31	$73,763
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
Value of net income/loss	2017-12-31	$14,830,925
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$70,584,767
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$55,753,842
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$68,559,929
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$54,132,279
Interest on participant loans	2017-12-31	$84,409
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$8,858,865
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	No
Contributions received in cash from employer	2017-12-31	$3,064,157
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$3,385,199
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
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	YOUNT, HYDE & BARBOUR P.C.
Accountancy firm EIN	2017-12-31	541149263
2016 : TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2016 401k financial data
Total unrealized appreciation/depreciation of assets	2016-12-31	$0
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
Total income from all sources (including contributions)	2016-12-31	$9,846,461
Total loss/gain on sale of assets	2016-12-31	$0
Total of all expenses incurred	2016-12-31	$2,599,820
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$2,545,274
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$5,788,544
Value of total assets at end of year	2016-12-31	$55,753,842
Value of total assets at beginning of year	2016-12-31	$48,507,201
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$54,546
Total interest from all sources	2016-12-31	$67,899
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$1,356,477
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	$1,356,477
Was this plan covered by a fidelity bond	2016-12-31	Yes
Value of fidelity bond cover	2016-12-31	$1,000,000
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	$3,107,379
Participant contributions at end of year	2016-12-31	$1,621,563
Participant contributions at beginning of year	2016-12-31	$1,434,807
Income. Received or receivable in cash from other sources (including rollovers)	2016-12-31	$250,448
Other income not declared elsewhere	2016-12-31	$1,559
Administrative expenses (other) incurred	2016-12-31	$54,546
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
Value of net income/loss	2016-12-31	$7,246,641
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$55,753,842
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$48,507,201
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$54,132,279
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$47,072,394
Interest on participant loans	2016-12-31	$67,899
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$2,631,982
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
Contributions received in cash from employer	2016-12-31	$2,430,717
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$2,545,274
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
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	YOUNT, HYDE & BARBOUR P.C.
Accountancy firm EIN	2016-12-31	541149263
2015 : TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2015 401k financial data
Total unrealized appreciation/depreciation of assets	2015-12-31	$0
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
Total income from all sources (including contributions)	2015-12-31	$4,761,559
Total loss/gain on sale of assets	2015-12-31	$0
Total of all expenses incurred	2015-12-31	$3,660,303
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$3,606,024
Expenses. Certain deemed distributions of participant loans	2015-12-31	$4,684
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$5,001,332
Value of total assets at end of year	2015-12-31	$48,507,201
Value of total assets at beginning of year	2015-12-31	$47,405,945
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$49,595
Total interest from all sources	2015-12-31	$57,810
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$2,002,120
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	$2,002,120
Was this plan covered by a fidelity bond	2015-12-31	Yes
Value of fidelity bond cover	2015-12-31	$1,000,000
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	$2,691,837
Participant contributions at end of year	2015-12-31	$1,434,807
Participant contributions at beginning of year	2015-12-31	$1,244,431
Income. Received or receivable in cash from other sources (including rollovers)	2015-12-31	$206,748
Other income not declared elsewhere	2015-12-31	$308
Administrative expenses (other) incurred	2015-12-31	$49,595
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
Value of net income/loss	2015-12-31	$1,101,256
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$48,507,201
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$47,405,945
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$47,072,394
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$46,161,514
Interest on participant loans	2015-12-31	$57,810
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-2,300,011
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
Contributions received in cash from employer	2015-12-31	$2,102,747
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$3,606,024
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
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	YOUNT, HYDE & BARBOUR P.C.
Accountancy firm EIN	2015-12-31	541149263
2014 : TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2014 401k financial data
Total unrealized appreciation/depreciation of assets	2014-12-31	$0
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
Total income from all sources (including contributions)	2014-12-31	$7,759,711
Total loss/gain on sale of assets	2014-12-31	$0
Total of all expenses incurred	2014-12-31	$1,363,059
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$1,308,279
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$5,079,387
Value of total assets at end of year	2014-12-31	$47,405,945
Value of total assets at beginning of year	2014-12-31	$41,009,293
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$54,780
Total interest from all sources	2014-12-31	$54,242
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$1,126,681
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	$1,126,681
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$1,000,000
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	$2,528,319
Participant contributions at end of year	2014-12-31	$1,244,431
Participant contributions at beginning of year	2014-12-31	$1,308,606
Income. Received or receivable in cash from other sources (including rollovers)	2014-12-31	$617,731
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2014-12-31	$123
Other income not declared elsewhere	2014-12-31	$743
Administrative expenses (other) incurred	2014-12-31	$54,780
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
Value of net income/loss	2014-12-31	$6,396,652
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$47,405,945
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$41,009,293
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$46,161,514
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$39,700,687
Interest on participant loans	2014-12-31	$54,242
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$1,498,658
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
Contributions received in cash from employer	2014-12-31	$1,933,337
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$1,308,156
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
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	YOUNT, HYDE & BARBOUR P.C.
Accountancy firm EIN	2014-12-31	541149263
2013 : TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2013 401k financial data
Total unrealized appreciation/depreciation of assets	2013-12-31	$0
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
Total income from all sources (including contributions)	2013-12-31	$11,480,688
Total loss/gain on sale of assets	2013-12-31	$0
Total of all expenses incurred	2013-12-31	$2,463,131
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$2,411,814
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$4,334,419
Value of total assets at end of year	2013-12-31	$41,009,293
Value of total assets at beginning of year	2013-12-31	$31,991,736
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$51,317
Total interest from all sources	2013-12-31	$50,196
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$822,083
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	$822,083
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
Were there any nonexempt tranactions with any party-in-interest	2013-12-31	No
Contributions received from participants	2013-12-31	$2,451,361
Participant contributions at end of year	2013-12-31	$1,308,606
Participant contributions at beginning of year	2013-12-31	$1,024,626
Income. Received or receivable in cash from other sources (including rollovers)	2013-12-31	$70,423
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2013-12-31	$105
Other income not declared elsewhere	2013-12-31	$30,434
Administrative expenses (other) incurred	2013-12-31	$51,317
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
Value of net income/loss	2013-12-31	$9,017,557
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$41,009,293
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$31,991,736
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2013-12-31	$39,700,687
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$30,967,110
Interest on participant loans	2013-12-31	$50,196
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$6,243,556
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
Contributions received in cash from employer	2013-12-31	$1,812,635
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$2,411,709
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
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	YOUNT, HYDE & BARBOUR P.C.
Accountancy firm EIN	2013-12-31	541149263
2012 : TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2012 401k financial data
Total unrealized appreciation/depreciation of assets	2012-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total income from all sources (including contributions)	2012-12-31	$7,469,501
Total loss/gain on sale of assets	2012-12-31	$0
Total of all expenses incurred	2012-12-31	$1,721,837
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$1,664,238
Value of total corrective distributions	2012-12-31	$229
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$3,897,449
Value of total assets at end of year	2012-12-31	$31,991,736
Value of total assets at beginning of year	2012-12-31	$26,244,072
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$57,370
Total interest from all sources	2012-12-31	$42,579
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$541,014
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	$541,014
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
Were there any nonexempt tranactions with any party-in-interest	2012-12-31	No
Contributions received from participants	2012-12-31	$2,058,789
Participant contributions at end of year	2012-12-31	$1,024,626
Participant contributions at beginning of year	2012-12-31	$874,148
Participant contributions at end of year	2012-12-31	$0
Participant contributions at beginning of year	2012-12-31	$53,988
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$355,408
Other income not declared elsewhere	2012-12-31	$8,355
Administrative expenses (other) incurred	2012-12-31	$57,370
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	$5,747,664
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$31,991,736
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$26,244,072
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	$30,967,110
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2012-12-31	$25,272,826
Interest on participant loans	2012-12-31	$42,579
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$2,980,104
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	$1,483,252
Employer contributions (assets) at end of year	2012-12-31	$0
Employer contributions (assets) at beginning of year	2012-12-31	$43,110
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$1,664,238
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
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	YOUNT,HYDE & BARBOUR P.C.
Accountancy firm EIN	2012-12-31	541149263
2011 : TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2011 401k financial data
Total unrealized appreciation/depreciation of assets	2011-12-31	$0
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	$4,694,265
Total loss/gain on sale of assets	2011-12-31	$0
Total of all expenses incurred	2011-12-31	$1,247,735
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$1,175,082
Expenses. Certain deemed distributions of participant loans	2011-12-31	$16,464
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$5,377,979
Value of total assets at end of year	2011-12-31	$26,244,072
Value of total assets at beginning of year	2011-12-31	$22,797,542
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$56,189
Total interest from all sources	2011-12-31	$34,873
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$466,212
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	$466,212
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
Were there any nonexempt tranactions with any party-in-interest	2011-12-31	No
Contributions received from participants	2011-12-31	$2,152,037
Participant contributions at end of year	2011-12-31	$874,148
Participant contributions at beginning of year	2011-12-31	$744,562
Participant contributions at end of year	2011-12-31	$53,988
Participant contributions at beginning of year	2011-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$1,523,498
Value of other receiveables (less allowance for doubtful accounts) at end of year	2011-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2011-12-31	$238
Other income not declared elsewhere	2011-12-31	$33,345
Administrative expenses (other) incurred	2011-12-31	$56,189
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	$3,446,530
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$26,244,072
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$22,797,542
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	$25,272,826
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2011-12-31	$0
Interest on participant loans	2011-12-31	$34,873
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2011-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2011-12-31	$22,052,742
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2011-12-31	$22,052,742
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2011-12-31	$-1,218,144
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	$1,702,444
Employer contributions (assets) at end of year	2011-12-31	$43,110
Employer contributions (assets) at beginning of year	2011-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$1,175,082
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
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	YOUNT, HYDE & BARBOUR P.C.
Accountancy firm EIN	2011-12-31	541149263
2010 : TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2010 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2010-12-31	$0
Total unrealized appreciation/depreciation of assets	2010-12-31	$0
Total transfer of assets to this plan	2010-12-31	$0
Total transfer of assets from this plan	2010-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$0
Expenses. Interest paid	2010-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2010-12-31	$0
Total income from all sources (including contributions)	2010-12-31	$5,738,616
Total loss/gain on sale of assets	2010-12-31	$0
Total of all expenses incurred	2010-12-31	$1,092,432
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$1,029,300
Expenses. Certain deemed distributions of participant loans	2010-12-31	$42,847
Value of total corrective distributions	2010-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$3,194,034
Value of total assets at end of year	2010-12-31	$22,797,542
Value of total assets at beginning of year	2010-12-31	$18,151,358
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$20,285
Total interest from all sources	2010-12-31	$30,943
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$423,145
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	$423,145
Assets. Real estate other than employer real property at end of year	2010-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2010-12-31	$0
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	$0
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	$1,771,903
Participant contributions at end of year	2010-12-31	$744,562
Participant contributions at beginning of year	2010-12-31	$550,958
Participant contributions at beginning of year	2010-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2010-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2010-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2010-12-31	$10,840
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2010-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2010-12-31	$238
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2010-12-31	$238
Assets. Loans (other than to participants) at end of year	2010-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2010-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2010-12-31	$0
Other income not declared elsewhere	2010-12-31	$10,882
Administrative expenses (other) incurred	2010-12-31	$20,285
Liabilities. Value of operating payables at beginning of year	2010-12-31	$0
Total non interest bearing cash at end of year	2010-12-31	$0
Total non interest bearing cash at beginning of year	2010-12-31	$50
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
Income. Non cash contributions	2010-12-31	$0
Value of net income/loss	2010-12-31	$4,646,184
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$22,797,542
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$18,151,358
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
Assets. partnership/joint venture interests at end of year	2010-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2010-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at end of year	2010-12-31	$0
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2010-12-31	$13,777,856
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	$0
Interest on participant loans	2010-12-31	$30,943
Interest earned on other investments	2010-12-31	$0
Income. Interest from US Government securities	2010-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2010-12-31	$0
Value of interest in common/collective trusts at end of year	2010-12-31	$0
Value of interest in common/collective trusts at beginning of year	2010-12-31	$3,822,256
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2010-12-31	$22,052,742
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2010-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2010-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2010-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2010-12-31	$0
Asset value of US Government securities at end of year	2010-12-31	$0
Asset value of US Government securities at beginning of year	2010-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2010-12-31	$1,739,805
Net investment gain/loss from pooled separate accounts	2010-12-31	$0
Net investment gain or loss from common/collective trusts	2010-12-31	$339,807
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
Assets. Invements in employer securities at end of year	2010-12-31	$0
Assets. Invements in employer securities at beginning of year	2010-12-31	$0
Assets. Value of employer real property at beginning of year	2010-12-31	$0
Contributions received in cash from employer	2010-12-31	$1,411,291
Employer contributions (assets) at beginning of year	2010-12-31	$0
Income. Dividends from preferred stock	2010-12-31	$0
Income. Dividends from common stock	2010-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$1,029,300
Asset. Corporate debt instrument preferred debt at end of year	2010-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2010-12-31	$0
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	$0
Assets. Corporate common stocks other than exployer securities at end of year	2010-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2010-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2010-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2010-12-31	$0
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	$0
Aggregate carrying amount (costs) on sale of assets	2010-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2010-12-31	$0
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	MCGLADREY & PULLEN, LLP
Accountancy firm EIN	2010-12-31	420714325
2009 : TREX COMPANY, INC. 401(K) PROFIT SHARING 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 TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN

2022: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2022 form 5500 responses
2022-01-01	Type of plan entity	Single employer plan
2022-01-01	Submission has been amended	Yes
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: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	Submission has been amended	Yes
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: TREX COMPANY, INC. 401(K) PROFIT SHARING 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: TREX COMPANY, INC. 401(K) PROFIT SHARING 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: TREX COMPANY, INC. 401(K) PROFIT SHARING 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: TREX COMPANY, INC. 401(K) PROFIT SHARING 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: TREX COMPANY, INC. 401(K) PROFIT SHARING 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: TREX COMPANY, INC. 401(K) PROFIT SHARING 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: TREX COMPANY, INC. 401(K) PROFIT SHARING 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: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2013 form 5500 responses
2013-01-01	Type of plan entity	Single employer plan
2013-01-01	Submission has been amended	No
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: TREX COMPANY, INC. 401(K) PROFIT SHARING 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 is a collectively bargained plan	No
2012-01-01	Plan funding arrangement – Trust	Yes
2012-01-01	Plan benefit arrangement - Trust	Yes
2011: TREX COMPANY, INC. 401(K) PROFIT SHARING PLAN 2011 form 5500 responses
2011-01-01	Type of plan entity	Single employer plan
2011-01-01	Submission has been amended	No
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 is a collectively bargained plan	No
2011-01-01	Plan funding arrangement – Trust	Yes
2011-01-01	Plan benefit arrangement - Trust	Yes
2009: TREX COMPANY, INC. 401(K) PROFIT SHARING 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	No
2009-01-01	Plan funding arrangement – Trust	Yes
2009-01-01	Plan benefit arrangement - Trust	Yes

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Company Name:	TREX COMPANY, INC.
Employer identification number (EIN):	541910453
NAIC Classification:	326100

Jurisdiction of Incorporation:	State of Delaware Division of Corporations
Incorporation Date:	2003-08-11
Company Identification Number:	2941461
Legal Registered Office Address:	230 East 85Th Street New York United States of America (USA) 10028