Find an old Mosaic Diagnostic 401(k)

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

Mosaic Diagnostics LLC

Mosaic Diagnostic LLC · Plan 002 · EIN 87-2983403 · Overland Park, KS

Active · plan year 2024 filing401(k)
Plan administratorMosaic Diagnostic LLC
8400 W 110th Street, Suite 500, Overland Park, KS 66210
Form 5500 ↗
Recordkeeper (who holds the accounts)Fidelity Investments InstitutionalSchedule C ↗
Former employees with balances38 separated participants still had money in the planForm 5500 ↗

Mosaic Diagnostic 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 Mosaic Diagnostic 401(k)?

Contact the plan administrator listed on the plan's Form 5500 filing: Mosaic Diagnostic LLC, (913) 341-8949. The accounts are held by the recordkeeper, Fidelity Investments Institutional. Have your Social Security number and dates of employment ready.

What is the Mosaic Diagnostic 401(k) phone number?

The plan administrator phone number on the plan year 2024 filing is (913) 341-8949.

Contacts are as filed on each plan's latest Form 5500 and may be out of date.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