Form4insider filings, from the source

SEC Form 4 · accession 0002090710-26-000006

FIRST INTERSTATE BANCSYSTEM INC · FIBK

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Christopher L. Shepler
Officer — Chief Banking Officer
Period of report
Sep 10, 2026
Accepted (ET)
Sep 22, 2026 · 6:21 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000860413

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1Sep 10, 2026F222$36.88D13,018D

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses