Superior Biologics Inc. 401(k) Plan
What public Form 5500 filings show about the Superior Biologics Inc. 401(k) plan — and how to find and check your own account.
The Superior Biologics Inc. 401(k) on its latest Form 5500
Superior Biologics Inc. (EIN 45-4972013) reports SUPERIOR BIOLOGICS INC 401(K) PROFIT SHARING PLAN & TRUST on its most recent Form 5500, with $5.9M in plan assets across 127 active participants. Form 5500 is the annual report employers file with the U.S. Department of Labor for their retirement plans, and it’s public.
See the full Superior Biologics Inc. filing — schedules, fees, and providers.
Who runs the Superior Biologics Inc. 401(k)?
Superior Biologics Inc.’s Form 5500 doesn’t separately disclose a recordkeeper we can confirm. The firms named on its Schedule C are service providers — which can include investment managers, trustees, and auditors, and are not necessarily the company that runs your account. To find who runs your 401(k), check your enrollment paperwork or a recent statement, or ask Superior Biologics Inc.HR for the recordkeeper’s name and login.
Other service providers named on the filing (investment managers, trustees, auditors — not necessarily the recordkeeper): INTERFLEX PAYMENTS.
How to check your Superior Biologics Inc. 401(k)
- Log in to the plan’s recordkeeper portal (the site on your statements).
- Ask Superior Biologics Inc. HR or benefits for the recordkeeper name and enrollment link.
- Left the company? Your balance stays in the plan until you roll it over — see how to find a lost 401(k).

