ALLETE has entered an agreement to be acquired by a partnership led by Canada Pension Plan Investment Board and Global Infrastructure Partners and start the process to become a private company. Learn more at www.ALLETEforward.com.

SEC Filings

Filing date Form Description View
ARS

An annual report to security holders

View HTML
5

Annual filing director officer or owner of more than ten percent.

View HTML
U-3A-2

Statement by holding company claiming exemption from provisions of the act under Rule 2

View HTML
10-K

Annual report which provides a comprehensive overview of the company for the past year

View HTML
4

Statement of changes in beneficial ownership of securities

View HTML
4

Statement of changes in beneficial ownership of securities

View HTML
4

Statement of changes in beneficial ownership of securities

View HTML
4

Statement of changes in beneficial ownership of securities

View HTML
4

Statement of changes in beneficial ownership of securities

View HTML
4

Statement of changes in beneficial ownership of securities

View HTML