Find an old C.S. Mott Foundation 401(k)

Who to contact about an account in each of the 2 C.S. Mott Foundation plans, from the filings. Free, no sign-up, no Social Security number.

Charles Stewart Mott Foundation Tax Deferred Savings Plan

C.S. Mott Foundation · Plan 002 · EIN 38-1211227 · Flint, MI

Active · plan year 2025 filing401(k)
Plan administratorC.S. Mott Foundation
503 S. Saginaw, Suite 1200, Flint, MI 48502
Form 5500 ↗
Recordkeeper (who holds the accounts)The Vanguard Group, Inc.Schedule C ↗
Former employees with balances36 separated participants still had money in the planForm 5500 ↗

Pension Plan for Employees of the Charles Stewart Mott Foundation

The Charles Stewart Mott Foundation · Plan 001 · EIN 38-1211227 · Flint, MI

Active · plan year 2025 filingPension (defined benefit)
Plan administratorThe Charles Stewart Mott Foundation
503 S Saginaw St, Suite 1200, Flint, MI 48502-1807
Form 5500 ↗
Recordkeeper (who holds the accounts)Principal Life Insurance CompanySchedule C ↗
Former employees with balances27 separated participants still had money in the planForm 5500 ↗

C.S. Mott Foundation 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 C.S. Mott Foundation 401(k)?

Contact the plan administrator listed on the plan's Form 5500 filing: C.S. Mott Foundation, (810) 238-5651. The accounts are held by the recordkeeper, The Vanguard Group, Inc.. Have your Social Security number and dates of employment ready.

What is the C.S. Mott Foundation 401(k) phone number?

The plan administrator phone number on the plan year 2025 filing is (810) 238-5651.

Contacts are as filed on each plan's latest Form 5500 and may be out of date.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