Christopher L. Shepler - 10 Sep 2025 Form 3 Insider Report for FIRST INTERSTATE BANCSYSTEM INC (FIBK)

Signature
/s/ Kirk D. Jensen, Attorney-in-Fact for Reporting Person
Issuer symbol
FIBK
Transactions as of
10 Sep 2025
Net transactions value
$0
Form type
3
Filing time
09 Oct 2025, 17:49:41 UTC
Next filing
24 Nov 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Shepler Christopher L. Chief Banking Officer 401 N. 31ST ST., BILLINGS /s/ Kirk D. Jensen, Attorney-in-Fact for Reporting Person 09 Oct 2025 0002090710

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding FIBK Common Stock 0 10 Sep 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Remarks:

No securities are beneficially owned. The filing delay was related to the EDGAR Next enrollment process. Exhibit List: Exhibit 24 - Power of Attorney