12:33 PM EST, 11/25/2025 (MT Newswires) -- John M Heyneman Jr, 10% Owner, Director, on November 21, 2025, sold 30,432 shares in First Interstate Bancsystem ( FIBK ) for $944,305. Following the Form 4 filing with the SEC, Heyneman has control over a total of 1,497,496 common shares of the company, with 5,224 shares held directly and 1,492,272 controlled indirectly.

SEC Filing:

https://www.sec.gov/Archives/edgar/data/860413/000119851825000009/xslF345X05/wk-form4_1764091760.xml

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