What public Form 5500 filings show about the Alliant Energy Corporate Services, Inc. 401(k) plan — and how to find and check your own account.
Alliant Energy Corporate Services, Inc. (EIN 39-1914946) reports ALLIANT ENERGY CORPORATION 401(K) SAVINGS PLAN on its most recent Form 5500, with $1.4B in plan assets across 2,987 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 Alliant Energy Corporate Services, Inc. filing — schedules, fees, and providers.
The plan’s recordkeeper — the firm that runs the website and statements where you check your balance, change contributions, and manage your account — is Empower, based on the plan’s Schedule C service-provider disclosure. That’s the login you use for your Alliant Energy Corporate Services, Inc. 401(k).
Other service providers named on the filing (investment managers, trustees, auditors — not necessarily the recordkeeper): COLEMAN & WILLIAMS, WILLIS TOWERS WATSON US, BUSINESSOLVER, PRINCIPAL CUSTODY SOLUTIONS, CONNECTYOURCARE CYC, BLUE CROSS & BLUE SHIELD OF WISCONS.
