Diversified Management Corporation 401(k) Plan
What public Form 5500 filings show about the Diversified Management Corporation 401(k) plan — and how to find and check your own account.
The Diversified Management Corporation 401(k) on its latest Form 5500
Diversified Management Corporation (EIN 86-1759396) reports KEY AUTO GROUP 401(K) PLAN on its most recent Form 5500, with $18.8M in plan assets across 580 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 Diversified Management Corporation filing — schedules, fees, and providers.
Who runs the Diversified Management Corporation 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 Principal, based on the plan’s Schedule C service-provider disclosure. That’s the login you use for your Diversified Management Corporation 401(k).
Other service providers named on the filing (investment managers, trustees, auditors — not necessarily the recordkeeper): ANGELL PENSION GROUP, FIRST REPUBLIC INVESTMENT MGMT, J P MORGAN SECURITIES.
How to check your Diversified Management Corporation 401(k)
- Log in to Principal’s participant portal (the site on your statements).
- Ask Diversified Management Corporation 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).

