ALLETE, Inc.
ALLETE has been acquired by a partnership led by Canada Pension Plan Investment Board and Global Infrastructure Partners and is now a private company.

SEC Filing Details

Document Details

Form
4
Filing Date
Dec 16, 2025
Document Date
Dec 15, 2025
Form Description
Statement of changes in beneficial ownership of securities
Filing Group
3,4,5
Company
ALLETE, Inc.
Issuer
ALLETE INC
Filer
Matthews Charles R