Find an old Difference Principle 401(k)

Who to contact about an account in the Difference Principle plan, from the filings. Free, no sign-up, no Social Security number.

Difference Principle, Inc. Employee Retirement Plan

Difference Principle, Inc. · Plan 001 · EIN 46-2088738 · Milwaukee, WI

Active · plan year 2025 filing401(k)
Plan administratorDifference Principle, Inc.
205 W Highland Avenue Suite 509, Milwaukee, WI 53203
Form 5500 ↗
Recordkeeper (who holds the accounts)American United Life Insurance CoSchedule C ↗
Former employees with balances33 separated participants still had money in the planForm 5500 ↗

Difference Principle 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 Difference Principle 401(k)?

Contact the plan administrator listed on the plan's Form 5500 filing: Difference Principle, Inc., (414) 908-0285. The accounts are held by the recordkeeper, American United Life Insurance Co. Have your Social Security number and dates of employment ready.

What is the Difference Principle 401(k) phone number?

The plan administrator phone number on the plan year 2025 filing is (414) 908-0285.

Contacts are as filed on each plan's latest Form 5500 and may be out of date.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