John M. Heyneman Jr - Nov 12, 2025 Form 4 Insider Report for FIRST INTERSTATE BANCSYSTEM INC (FIBK)

Signature
/s/ Kirk D. Jensen, Attorney-in-Fact for Reporting Person
Stock symbol
FIBK
Transactions as of
Nov 12, 2025
Transactions value $
$0
Form type
4
Date filed
11/14/2025, 04:14 PM
Previous filing
Nov 12, 2025
Next filing
Nov 25, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
HEYNEMAN JOHN M JR Director, 10%+ Owner P.O. BOX 30918, BILLINGS /s/ Kirk D. Jensen, Attorney-in-Fact for Reporting Person 2025-11-12 0001198518

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding FIBK Common Stock 5.22K Nov 12, 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Remarks:

On November 12, 2025, the reporting person filed a Form 4 with the SEC that inadvertently omitted his direct holdings in the issuer's common stock, which is reported properly herein.