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IMMUNOGEN, INC. WELFARE BENEFIT PLAN 401k Plan overview

Plan NameIMMUNOGEN, INC. WELFARE BENEFIT PLAN
Plan identification number 501

IMMUNOGEN, INC. WELFARE BENEFIT PLAN Benefits

401k Plan TypeWelfare Benefit
Plan Features/Benefits
  • Health (other than dental or vision)
  • Life insurance
  • Dental
  • Vision
  • Temporary disability (accident and sickness)
  • Prepaid legal
  • Long-term disability cover
  • Death benefits (include travel accident but not life insurance)
  • Other welfare benefit cover
  • Unfunded, fully insured, or combination unfunded/insured welfare plan that will not file a Form 5500 for next plan year pursuant to 29 CFR 2520.104-20.
  • Unfunded, fully insured, or combination unfunded/insured welfare plan that stopped filing form 5500s in an earlier plan year pursuant to 29 CFR 2520.104-20.

401k Sponsoring company profile

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

Company Name:IMMUNOGEN, INC.
Employer identification number (EIN):042726691
NAIC Classification:541700

Form 5500 Filing Information

Submission information for form 5500 for 401k plan IMMUNOGEN, INC. WELFARE BENEFIT PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator SignedName of Company SponsorDate Sponsor Signed
5012023-01-01STEFAN GELDMEYER2024-10-10
5012022-01-01SHELLY ADLER2023-08-28
5012022-01-01STEFAN GELDMEYER2024-10-10
5012020-01-01BRENDA SOM2021-04-27
5012019-01-01BRENDA SOM2020-05-12
5012018-01-01
5012017-01-01
5012016-01-01SHELLY ADLER
5012015-01-01SHELLY ADLER SHELLY ADLER2016-07-20
5012014-01-01JILL MURRAY
5012013-01-01JILL MURRAY
5012012-01-01TRICIA MCNAUGHT
5012011-01-01TRICIA MCNAUGHT
5012009-01-01TRICIA MCNAUGHT

Plan Statistics for IMMUNOGEN, INC. WELFARE BENEFIT PLAN

401k plan membership statisitcs for IMMUNOGEN, INC. WELFARE BENEFIT PLAN

Measure Date Value
2023: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2023 401k membership
Total participants, beginning-of-year2023-01-01259
Total number of active participants reported on line 7a of the Form 55002023-01-01282
Number of retired or separated participants receiving benefits2023-01-011
Number of other retired or separated participants entitled to future benefits2023-01-010
Total of all active and inactive participants2023-01-01283
Number of employers contributing to the scheme2023-01-010
2022: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2022 401k membership
Total participants, beginning-of-year2022-01-01106
Total number of active participants reported on line 7a of the Form 55002022-01-01259
Number of retired or separated participants receiving benefits2022-01-013
Number of other retired or separated participants entitled to future benefits2022-01-010
Total of all active and inactive participants2022-01-01262
Number of employers contributing to the scheme2022-01-010
2020: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2020 401k membership
Total participants, beginning-of-year2020-01-01121
Total number of active participants reported on line 7a of the Form 55002020-01-0180
Number of retired or separated participants receiving benefits2020-01-015
Number of other retired or separated participants entitled to future benefits2020-01-010
Total of all active and inactive participants2020-01-0185
Number of employers contributing to the scheme2020-01-010
2019: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2019 401k membership
Total participants, beginning-of-year2019-01-01295
Total number of active participants reported on line 7a of the Form 55002019-01-0175
Number of retired or separated participants receiving benefits2019-01-0154
Number of other retired or separated participants entitled to future benefits2019-01-010
Total of all active and inactive participants2019-01-01129
Number of employers contributing to the scheme2019-01-010
2018: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2018 401k membership
Total participants, beginning-of-year2018-01-01292
Total number of active participants reported on line 7a of the Form 55002018-01-01295
Number of retired or separated participants receiving benefits2018-01-0126
Number of other retired or separated participants entitled to future benefits2018-01-010
Total of all active and inactive participants2018-01-01321
Number of employers contributing to the scheme2018-01-010
2017: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2017 401k membership
Total participants, beginning-of-year2017-01-01305
Total number of active participants reported on line 7a of the Form 55002017-01-01292
Number of retired or separated participants receiving benefits2017-01-0116
Number of other retired or separated participants entitled to future benefits2017-01-010
Total of all active and inactive participants2017-01-01308
2016: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2016 401k membership
Total participants, beginning-of-year2016-01-01347
Total number of active participants reported on line 7a of the Form 55002016-01-01304
Number of retired or separated participants receiving benefits2016-01-0152
Number of other retired or separated participants entitled to future benefits2016-01-010
Total of all active and inactive participants2016-01-01356
2015: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2015 401k membership
Total participants, beginning-of-year2015-01-01303
Total number of active participants reported on line 7a of the Form 55002015-01-01345
Number of retired or separated participants receiving benefits2015-01-013
Number of other retired or separated participants entitled to future benefits2015-01-010
Total of all active and inactive participants2015-01-01348
2014: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2014 401k membership
Total participants, beginning-of-year2014-01-01294
Total number of active participants reported on line 7a of the Form 55002014-01-01303
Number of retired or separated participants receiving benefits2014-01-010
Number of other retired or separated participants entitled to future benefits2014-01-010
Total of all active and inactive participants2014-01-01303
2013: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2013 401k membership
Total participants, beginning-of-year2013-01-01263
Total number of active participants reported on line 7a of the Form 55002013-01-01294
Number of retired or separated participants receiving benefits2013-01-010
Number of other retired or separated participants entitled to future benefits2013-01-010
Total of all active and inactive participants2013-01-01294
2012: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2012 401k membership
Total participants, beginning-of-year2012-01-01240
Total number of active participants reported on line 7a of the Form 55002012-01-01263
Total of all active and inactive participants2012-01-01263
Total participants2012-01-01263
2011: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2011 401k membership
Total participants, beginning-of-year2011-01-01225
Total number of active participants reported on line 7a of the Form 55002011-01-01246
Number of retired or separated participants receiving benefits2011-01-010
Number of other retired or separated participants entitled to future benefits2011-01-010
Total of all active and inactive participants2011-01-01246
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits2011-01-010
Total participants2011-01-01246
2009: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2009 401k membership
Total participants, beginning-of-year2009-01-01178
Total number of active participants reported on line 7a of the Form 55002009-01-01194
Number of retired or separated participants receiving benefits2009-01-010
Number of other retired or separated participants entitled to future benefits2009-01-010
Total of all active and inactive participants2009-01-01194
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits2009-01-010
Total participants2009-01-01194

Form 5500 Responses for IMMUNOGEN, INC. WELFARE BENEFIT PLAN

2023: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2023 form 5500 responses
2023-01-01Type of plan entitySingle employer plan
2023-01-01Plan funding arrangement – InsuranceYes
2023-01-01Plan funding arrangement – General assets of the sponsorYes
2023-01-01Plan benefit arrangement – InsuranceYes
2023-01-01Plan benefit arrangement – General assets of the sponsorYes
2022: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2022 form 5500 responses
2022-01-01Type of plan entitySingle employer plan
2022-01-01Submission has been amendedYes
2022-01-01Plan funding arrangement – InsuranceYes
2022-01-01Plan funding arrangement – General assets of the sponsorYes
2022-01-01Plan benefit arrangement – InsuranceYes
2022-01-01Plan benefit arrangement – General assets of the sponsorYes
2020: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2020 form 5500 responses
2020-01-01Type of plan entitySingle employer plan
2020-01-01Plan funding arrangement – InsuranceYes
2020-01-01Plan funding arrangement – General assets of the sponsorYes
2020-01-01Plan benefit arrangement – InsuranceYes
2020-01-01Plan benefit arrangement – General assets of the sponsorYes
2019: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2019 form 5500 responses
2019-01-01Type of plan entitySingle employer plan
2019-01-01Plan funding arrangement – InsuranceYes
2019-01-01Plan funding arrangement – General assets of the sponsorYes
2019-01-01Plan benefit arrangement – InsuranceYes
2019-01-01Plan benefit arrangement – General assets of the sponsorYes
2018: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2018 form 5500 responses
2018-01-01Type of plan entitySingle employer plan
2018-01-01Plan funding arrangement – InsuranceYes
2018-01-01Plan funding arrangement – General assets of the sponsorYes
2018-01-01Plan benefit arrangement – InsuranceYes
2018-01-01Plan benefit arrangement – General assets of the sponsorYes
2017: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2017 form 5500 responses
2017-01-01Type of plan entitySingle employer plan
2017-01-01Plan funding arrangement – InsuranceYes
2017-01-01Plan funding arrangement – General assets of the sponsorYes
2017-01-01Plan benefit arrangement – InsuranceYes
2017-01-01Plan benefit arrangement – General assets of the sponsorYes
2016: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2016 form 5500 responses
2016-01-01Type of plan entitySingle employer plan
2016-01-01Submission has been amendedNo
2016-01-01This submission is the final filingNo
2016-01-01This return/report is a short plan year return/report (less than 12 months)No
2016-01-01Plan is a collectively bargained planNo
2016-01-01Plan funding arrangement – InsuranceYes
2016-01-01Plan funding arrangement – General assets of the sponsorYes
2016-01-01Plan benefit arrangement – InsuranceYes
2016-01-01Plan benefit arrangement – General assets of the sponsorYes
2015: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2015 form 5500 responses
2015-01-01Type of plan entitySingle employer plan
2015-01-01Submission has been amendedNo
2015-01-01This submission is the final filingNo
2015-01-01This return/report is a short plan year return/report (less than 12 months)No
2015-01-01Plan is a collectively bargained planNo
2015-01-01Plan funding arrangement – InsuranceYes
2015-01-01Plan funding arrangement – General assets of the sponsorYes
2015-01-01Plan benefit arrangement – InsuranceYes
2015-01-01Plan benefit arrangement – General assets of the sponsorYes
2014: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2014 form 5500 responses
2014-01-01Type of plan entitySingle employer plan
2014-01-01Submission has been amendedNo
2014-01-01This submission is the final filingNo
2014-01-01This return/report is a short plan year return/report (less than 12 months)No
2014-01-01Plan is a collectively bargained planNo
2014-01-01Plan funding arrangement – InsuranceYes
2014-01-01Plan funding arrangement – General assets of the sponsorYes
2014-01-01Plan benefit arrangement – InsuranceYes
2014-01-01Plan benefit arrangement – General assets of the sponsorYes
2013: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2013 form 5500 responses
2013-01-01Type of plan entitySingle employer plan
2013-01-01Submission has been amendedNo
2013-01-01This submission is the final filingNo
2013-01-01This return/report is a short plan year return/report (less than 12 months)No
2013-01-01Plan is a collectively bargained planNo
2013-01-01Plan funding arrangement – InsuranceYes
2013-01-01Plan funding arrangement – General assets of the sponsorYes
2013-01-01Plan benefit arrangement – InsuranceYes
2013-01-01Plan benefit arrangement – General assets of the sponsorYes
2012: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2012 form 5500 responses
2012-01-01Type of plan entitySingle employer plan
2012-01-01Submission has been amendedNo
2012-01-01This submission is the final filingNo
2012-01-01This return/report is a short plan year return/report (less than 12 months)No
2012-01-01Plan is a collectively bargained planNo
2012-01-01Plan funding arrangement – General assets of the sponsorYes
2012-01-01Plan benefit arrangement – General assets of the sponsorYes
2011: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2011 form 5500 responses
2011-01-01Type of plan entitySingle employer plan
2011-01-01Submission has been amendedNo
2011-01-01This submission is the final filingNo
2011-01-01This return/report is a short plan year return/report (less than 12 months)No
2011-01-01Plan is a collectively bargained planNo
2011-01-01Plan funding arrangement – General assets of the sponsorYes
2011-01-01Plan benefit arrangement – General assets of the sponsorYes
2009: IMMUNOGEN, INC. WELFARE BENEFIT PLAN 2009 form 5500 responses
2009-01-01Type of plan entitySingle employer plan
2009-01-01Submission has been amendedNo
2009-01-01This submission is the final filingNo
2009-01-01This return/report is a short plan year return/report (less than 12 months)No
2009-01-01Plan is a collectively bargained planNo
2009-01-01Plan funding arrangement – General assets of the sponsorYes
2009-01-01Plan benefit arrangement – General assets of the sponsorYes

Insurance Providers Used on plan

PROVIDENT LIFE AND ACCIDENT INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 68195 )
Policy contract number159208
Policy instance 4
Insurance contract or identification number159208
Number of Individuals Covered4
Insurance policy start date2023-01-01
Insurance policy end date2023-12-31
Total amount of commissions paid to insurance brokerUSD $81
Total amount of fees paid to insurance companyUSD $0
Health Insurance Welfare BenefitNo
Dental Insurance Welfare BenefitNo
Vision Insurance Welfare BenefitNo
Life Insurance Welfare BenefitNo
Temporary Disability Insurance Welfare BenefitNo
Long Term Disability Insurance Welfare BenefitYes
Unemployment Insurance Welfare BenefitNo
Welfare Benefit Premiums Paid to CarrierUSD $5,230
Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500?No
SUN LIFE ASSURANCE COMPANY OF CANADA (National Association of Insurance Commissioners NAIC id number: 80802 )
Policy contract number935998
Policy instance 1
Insurance contract or identification number935998
Number of Individuals Covered279
Insurance policy start date2023-01-01
Insurance policy end date2023-12-31
Total amount of commissions paid to insurance brokerUSD $79,366
Total amount of fees paid to insurance companyUSD $0
Life Insurance Welfare BenefitYes
Long Term Disability Insurance Welfare BenefitYes
Other welfare benefits providedACCIDENTAL DEATH AND DISMEMBERMENT, EMPLOYEE ASSISTANCE PROGRAM
Welfare Benefit Premiums Paid to CarrierUSD $594,791
Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500?No
HYATT LEGAL PLANS (National Association of Insurance Commissioners NAIC id number: 00000 )
Policy contract number16748
Policy instance 2
Insurance contract or identification number16748
Number of Individuals Covered56
Insurance policy start date2023-01-01
Insurance policy end date2023-12-31
Total amount of commissions paid to insurance brokerUSD $4,576
Total amount of fees paid to insurance companyUSD $811
Other welfare benefits providedLEGAL
Welfare Benefit Premiums Paid to CarrierUSD $10,795
Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500?No
EYEMED VISION CARE (National Association of Insurance Commissioners NAIC id number: 71870 )
Policy contract number10247891001
Policy instance 3
Insurance contract or identification number10247891001
Number of Individuals Covered461
Insurance policy start date2023-01-01
Insurance policy end date2023-12-31
Total amount of commissions paid to insurance brokerUSD $3,776
Total amount of fees paid to insurance companyUSD $0
Health Insurance Welfare BenefitNo
Dental Insurance Welfare BenefitNo
Vision Insurance Welfare BenefitYes
Life Insurance Welfare BenefitNo
Temporary Disability Insurance Welfare BenefitNo
Long Term Disability Insurance Welfare BenefitNo
Unemployment Insurance Welfare BenefitNo
Welfare Benefit Premiums Paid to CarrierUSD $34,816
Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500?No
PROVIDENT LIFE AND ACCIDENT INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 68195 )
Policy contract number159208
Policy instance 5
HYATT LEGAL PLANS (National Association of Insurance Commissioners NAIC id number: 00000 )
Policy contract number16748
Policy instance 4
EYEMED VISION CARE (National Association of Insurance Commissioners NAIC id number: 71870 )
Policy contract number10247891001
Policy instance 3
SUN LIFE ASSURANCE COMPANY OF CANADA (National Association of Insurance Commissioners NAIC id number: 80802 )
Policy contract number935998
Policy instance 2
UNUM LIFE INSURANCE COMPANY OF AMERICA (National Association of Insurance Commissioners NAIC id number: 62235 )
Policy contract number142373
Policy instance 1
UNITED HEALTHCARE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 00000 )
Policy contract number10247901001
Policy instance 5
PROVIDENT LIFE AND ACCIDENT INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 68195 )
Policy contract number159208
Policy instance 6
SUN LIFE ASSURANCE COMPANY OF CANADA (National Association of Insurance Commissioners NAIC id number: 80802 )
Policy contract number935998
Policy instance 1
EYEMED VISION CARE (National Association of Insurance Commissioners NAIC id number: 71870 )
Policy contract number10247891001
Policy instance 2
HYATT LEGAL PLANS (National Association of Insurance Commissioners NAIC id number: 00000 )
Policy contract number16748
Policy instance 3
UNITED HEALTHCARE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 00000 )
Policy contract number10247901001
Policy instance 4
PROVIDENT LIFE AND ACCIDENT INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 68195 )
Policy contract number159208
Policy instance 3
EYEMED VISION CARE (National Association of Insurance Commissioners NAIC id number: 71870 )
Policy contract number10247891001
Policy instance 2
SUN LIFE ASSURANCE COMPANY OF CANADA (National Association of Insurance Commissioners NAIC id number: 80802 )
Policy contract number935998
Policy instance 1
PROVIDENT LIFE AND ACCIDENT INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 68195 )
Policy contract number159208
Policy instance 3
UNUM LIFE INSURANCE COMPANY OF AMERICA (National Association of Insurance Commissioners NAIC id number: 62235 )
Policy contract number142373
Policy instance 2
PRUDENTIAL ANNUITIES SERVICE (National Association of Insurance Commissioners NAIC id number: 68241 )
Policy contract number52736
Policy instance 1
PROVIDENT LIFE AND ACCIDENT INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 68195 )
Policy contract number142722
Policy instance 2
PRUDENTIAL ANNUITIES SERVICE (National Association of Insurance Commissioners NAIC id number: 68241 )
Policy contract number52736
Policy instance 1
PROVIDENT LIFE AND ACCIDENT INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 68195 )
Policy contract number159208
Policy instance 2
PRUDENTIAL ANNUITIES SERVICE (National Association of Insurance Commissioners NAIC id number: 68241 )
Policy contract number52736
Policy instance 1
PROVIDENT LIFE AND ACCIDENT INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 68195 )
Policy contract number159208
Policy instance 3
PROVIDENT LIFE AND ACCIDENT INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 68195 )
Policy contract number159208
Policy instance 4
UNUM LIFE INSURANCE COMPANY OF AMERICA (National Association of Insurance Commissioners NAIC id number: 62235 )
Policy contract number401880/399377
Policy instance 1
UNUM LIFE INSURANCE COMPANY OF AMERICA (National Association of Insurance Commissioners NAIC id number: 62235 )
Policy contract number401880/399377
Policy instance 2
UNUM LIFE INSURANCE COMPANY OF AMERICA (National Association of Insurance Commissioners NAIC id number: 62235 )
Policy contract number401880/399377
Policy instance 1
STANDARD INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 69019 )
Policy contract number142673
Policy instance 1
STANDARD INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 69019 )
Policy contract number142673
Policy instance 2
HCC LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 92711 )
Policy contract numberHCL15081
Policy instance 1
HCC LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 92711 )
Policy contract numberHCL15081
Policy instance 1
STANDARD INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 69019 )
Policy contract number142673
Policy instance 2
STANDARD INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 69019 )
Policy contract number142673
Policy instance 2
HCC LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 92711 )
Policy contract numberHCL15081
Policy instance 1

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