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
8-K

Report of unscheduled material events or corporate event

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10-Q

Quarterly report which provides a continuing view of a company's financial position

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8-K

Report of unscheduled material events or corporate event

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DEFA14A

Additional proxy soliciting materials - definitive

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DEF 14A

Official notification to shareholders of matters to be brought to a vote ("Proxy")

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PRE 14A

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

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8-K

Report of unscheduled material events or corporate event

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4

Statement of changes in beneficial ownership of securities

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424B2

Form of prospectus filed in connection with primary offering of securities on a delayed basis

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10-K/A

Amendment to a previously filed 10-K

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