OpenERISA

Trinseo LLC

Wayne, PA, 19087

EIN 80-0512509
Plans
3
Total participants
5,541
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
325200
Plan sponsors in PennsylvaniaManufacturing

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001Trinseo LLC 401K Plan537
2024Form 5500-SF002Trinseo LLC Defined Benefit Plan For Certain Legacy Employees Of Arkema INC46
2024Form 5500518Trinseo LLC Health And Welfare Benefits Plan745
2023Form 5500001Trinseo LLC 401K Plan562
2023Form 5500-SF002Trinseo LLC Defined Benefit Plan For Certain Legacy Employees Of Arkema INC55
2023Form 5500518Trinseo LLC Health And Welfare Benefits Plan681
2022Form 5500001Trinseo LLC 401K Plan391
2022Form 5500-SF002Trinseo LLC Defined Benefit Plan For Certain Legacy Employees Of Arkema INC61
2022Form 5500518Trinseo LLC Health And Welfare Benefits Plan599
2021Form 5500001Trinseo LLC 401K Plan402
2021Form 5500-SF002Trinseo LLC Defined Benefit Plan For Certain Legacy Employees Of Arkema INC77
2021Form 5500518Trinseo LLC Health And Welfare Benefits Plan618
2020Form 5500001Trinseo LLC 401K Plan406
2020Form 5500518Trinseo LLC Health And Welfare Benefits Plan361

Data shown as filed with the U.S. Department of Labor (EBSA), filing years 2020–2025; not validated by OpenERISA. View official filings for this EIN on the DOL EFAST2 search.

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