ALLETE(ALE) - 2024 Q4 - Annual Report

United States Securities and Exchange Commission Washington, D.C. 20549 Form 10-K ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from ______________ to ______________ Commission File Number 1-3548 ALLETE, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) Minnesota 41-0418150 (Mark One) ☒ Annual Report Pursuant to Section 13 or 15( ...