ALLETE, Inc.
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
DEFA14A

Additional proxy soliciting materials - definitive

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0000066756-22-000024.pdf
0000066756-22-000024.xls
DEFA14A

Additional proxy soliciting materials - definitive

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0000066756-23-000023.pdf
0000066756-23-000023.xls
DEFA14A

Additional proxy soliciting materials - definitive

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0000066756-24-000024.pdf
0000066756-24-000024.xls
DEFA14A

Additional proxy soliciting materials - definitive

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0000066756-24-000042.pdf
0000066756-24-000042.xls
DEFA14A

Additional proxy soliciting materials - definitive

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0000066756-24-000044.pdf
0000066756-24-000044.xls
FWP

FWP

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0000066756-19-000080.pdf
NO ACT

NO ACT

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NO ACT

NO ACT

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POS AM

Post-effective amendment to an S-Type filing

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0000950120-00-000209.pdf
0000950120-00-000209.xls
PRE 14A

A preliminary proxy statement providing notification matters to be brought to a vote

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0000066756-98-000009.pdf
0000066756-98-000009.xls