Green Bay Oncology, Ltd. 401(k) Plan
What public Form 5500 filings show about the Green Bay Oncology, Ltd. 401(k) plan — and how to find and check your own account.
The Green Bay Oncology, Ltd. 401(k) on its latest Form 5500
Green Bay Oncology, Ltd. (EIN 39-1314853) reports GREEN BAY ONCOLOGY, LTD EMPLOYEES PROFIT SHARING 401(K) PLAN on its most recent Form 5500, with $23.0M in plan assets across 85 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 Green Bay Oncology, Ltd. filing — schedules, fees, and providers.
Who runs the Green Bay Oncology, Ltd. 401(k)?
The plan’s recordkeeper — the firm that runs the website and statements where you check your balance, change contributions, and manage your account — is OneAmerica, based on the plan’s Schedule C service-provider disclosure. That’s the login you use for your Green Bay Oncology, Ltd. 401(k).
Other service providers named on the filing (investment managers, trustees, auditors — not necessarily the recordkeeper): MATRIX TRUST, ONEAMERICA INVESTMENT ADVISORY.
How to check your Green Bay Oncology, Ltd. 401(k)
- Log in to OneAmerica’s participant portal (the site on your statements).
- Ask Green Bay Oncology, Ltd. 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).

