Find an old Trimas 401(k)

Who to contact about an account in each of the 3 Trimas plans, from the filings. Free, no sign-up, no Social Security number.

Trimas Corporation Hourly Retirement Program

Trimas Corporation · Plan 017 · EIN 38-2687639 · Bloomfield Hills, MI

Active · plan year 2025 filing401(k)
Plan administratorTrimas Corporation
38505 Woodward Avenue, Suite 200, Bloomfield Hills, MI 48304
Form 5500 ↗
Recordkeeper (who holds the accounts)Fidelity Investments InstitutionalSchedule C ↗
Former employees with balances428 separated participants still had money in the planForm 5500 ↗

Trimas Corporation Salaried Retirement Program

Trimas Corporation · Plan 016 · EIN 38-2687639 · Bloomfield Hills, MI

Active · plan year 2025 filing401(k)
Plan administratorTrimas Corporation
38505 Woodward Avenue, Suite 200, Bloomfield Hills, MI 48304
Form 5500 ↗
Recordkeeper (who holds the accounts)Fidelity Investments InstitutionalSchedule C ↗
Former employees with balances356 separated participants still had money in the planForm 5500 ↗

Trimas Corporation Union Employees Pension Plan

Trimas Corporation · Plan 043 · EIN 38-2687639 · Bloomfield Hills, MI

Active · plan year 2024 filingPension (defined benefit)
Plan administratorTrimas Corporation
38505 Woodward Ave Ste 200, Bloomfield Hills, MI 48304-5096
Form 5500 ↗
Recordkeeper (who holds the accounts)Delaware Charter Guarantee & TrustSchedule C ↗
Former employees with balances64 separated participants still had money in the planForm 5500 ↗

Trimas 401(k) match, vesting and fees →

Found it? Your options

Leave itOften allowed if your balance is over $7,000. You keep the plan's investments and fees.
Move it to your new job's planIf the new plan accepts roll-ins. Ask the new plan's recordkeeper.
Roll it into an IRAMore investment choices, and you control it. A direct rollover avoids withholding and penalties.
Cash outUsually taxed, plus a 10% penalty if you are under 59½.

General information, not financial or tax advice. Rules depend on your plan and situation.

How to track down the account

  1. Call the plan administrator or recordkeeper listed on the filing. Have your name, Social Security number and dates of employment ready.
  2. If the plan terminated, ask the administrator where balances went (another plan, an IRA provider, or a state unclaimed-property office).
  3. Over 65? Also check the Department of Labor's Retirement Savings Lost and Found database.

Common questions

How do I find my old Trimas 401(k)?

Contact the plan administrator listed on the plan's Form 5500 filing: Trimas Corporation, (248) 631-5450. The accounts are held by the recordkeeper, Fidelity Investments Institutional. Have your Social Security number and dates of employment ready.

What is the Trimas 401(k) phone number?

The plan administrator phone number on the plan year 2025 filing is (248) 631-5450.

Contacts are as filed on each plan's latest Form 5500 and may be out of date. PlanFacts is not affiliated with Trimas and does not hold accounts. Not financial advice. Report a correction