Trimas Corporation 401(k) Plan: Login, Facts & Contact Information

Trimas Corporation 401(k) Plan Facts

Plan name
TRIMAS CORPORATION SALARIED RETIREMENT PROGRAM
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
TRIMAS CORPORATION
Participants
954 (582 active employees)
Former employees with a balance
370
Plan assets
$121,074,072 at Dec 31, 2024
Average account balance
$128,256 across 944 accounts
Employer contributions
$2,323,650 in plan year 2024 (23% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 2003
✓ Employer contributions— Automatic enrollment✓ Default investment for undecided participants✓ Participants choose their own investments— Self-directed brokerage window✓ Profit sharing— Company stock (ESOP)

Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Aug 21, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $9.94 million went into the plan in contributions, $2.32 million of it from the employer (23%).
  • $12.3 million was paid out to participants.
  • Investment and other income added $17.2 million.
  • Administrative expenses were $130,979, about $139 per account.

How the Trimas Corporation 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019969$109.6 million$2.04 million$13.3 million
20201,030$103.8 million$1.66 million$14.8 million
2021828$114.9 million$1.60 million$12.2 million
2022830$90.8 million$1.60 million$10.9 million
2023867$105.4 million$2.10 million$15.7 million
2024954$121.1 million$2.32 million$12.3 million

Trimas Corporation 401(k) Contact Information

Phone
248-631-5450
Mailing address
38505 WOODWARD AVENUE, SUITE 200, BLOOMFIELD HILLS MI 48304
Plan sponsor
TRIMAS CORPORATION
Employer identification number (EIN)
38-2687639
Plan number
016

Questions about the Trimas Corporation 401(k)

Does Trimas Corporation contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $2.32 million, 23% of all contributions.

Does the Trimas Corporation 401(k) have automatic enrollment?

No. The plan does not report automatic enrollment; employees enroll themselves.

How many people are in the Trimas Corporation 401(k) plan?

954 participants at the start of plan year 2024, 582 of them active employees, and 370 former employees who still had money in the plan.

What is the average 401(k) balance at Trimas Corporation?

About $128,256 per account: $121.1 million in plan assets across 944 accounts with a balance at the end of plan year 2024.

Who manages the Trimas Corporation 401(k) accounts?

Fidelity NetBenefits (listed on the filing as FIDELITY INVESTMENTS INSTITUTIONAL) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Trimas Corporation. How do I access my 401(k)?

Your account stays with Fidelity NetBenefits after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.

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