4processed

Form 4 — Insider Transaction

FIRST INTERSTATE BANCSYSTEM INC(FIBK)

Filing Date

June 1, 2026

Accepted

June 1, 2026

Accession No.

0002129338-26-000007

CIK

0000860413

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Boschee Ryan J.Chief Credit OfficerOther2.2K$016.8KCommon StockJun 1, 2026
4 Filing: FIRST INTERSTATE BANCSYSTEM INC — Markets Are Rigged