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

Section 16 Insider Trades

Date Filer Title Filing Type Shares Traded Price Total Held
Dec 15, 2025 VP-ALLETE Chf Acct Offr & Cont Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 518 $67.00 1,679
Dec 15, 2025 VP-ALLETE Chf Acct Offr & Cont Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 1,678 -- --
Dec 15, 2025 VP-ALLETE Chf Acct Offr & Cont Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 351 $67.00 --
Dec 15, 2025 Director Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 25,442 $67.00 --
Dec 15, 2025 Director Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 1,000 $67.00 --
Dec 15, 2025 Director Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 30,394 $67.00 --
Dec 15, 2025 VP; Pres.- ACE Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 7,426 $67.00 4,464
Dec 15, 2025 VP; Pres.- ACE Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 4,463 -- --
Dec 15, 2025 VP; Pres.- ACE Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 5,697 $67.00 --
Dec 15, 2025 VP; Pres.- ACE Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 67 $67.00 --
Dec 15, 2025 Director Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 5,200 $67.00 --
Dec 15, 2025 Director Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 20,782 $67.00 --
Dec 15, 2025 Director Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 7,247 $67.00 --
Dec 15, 2025 Director Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 250 $67.00 --
Dec 15, 2025 Director Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 250 $67.00 --
Dec 15, 2025 Director Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 14,883 $67.00 --
Dec 15, 2025 Director Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 19,597 $67.00 --
Dec 15, 2025 Director Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 11,592 $67.00 --
Dec 15, 2025 Director Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 13,631 $67.00 --
Dec 15, 2025 Director, Chair, President & CEO Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 25,566 $67.00 17,570
Dec 15, 2025 Director, Chair, President & CEO Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 17,570 -- --
Dec 15, 2025 Director, Chair, President & CEO Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 8,927 $67.00 --
Dec 15, 2025 VP, Ch Legal Offcr & Secretary Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 2,096 -- --
Dec 15, 2025 VP, Ch Legal Offcr & Secretary Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 210 $67.00 --
Dec 15, 2025 Director Form 4 Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) 15,381 $67.00 --

Stock transaction information provided by EDGAR Online. ALLETE makes no representation or warranty with respect to any of the information contained herein, takes no responsibility for supplementing, updating or correcting any such information and shall have no liability with respect to any such information. This listing does not include derivatives, such as stock option grants or shares purchased through an employee stock purchase plan. For recent transactions, including derivative transactions, see our Section 16 SEC filings page.