Christopher L. Shepler - 01 Jun 2026 Form 4 Insider Report for FIRST INTERSTATE BANCSYSTEM INC (FIBK)

Reporting relationship: Chief Banking Officer
Issuer ticker: FIBK
Reported as of: 01 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Jun 2026, 13:50:03 UTC
Prior SEC filing: 17 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Kirk D. Jensen, Attorney-in-Fact for Reporting Person

Key filing fact

Christopher L. Shepler filed Form 4 for FIRST INTERSTATE BANCSYSTEM INC (FIBK) on 03 Jun 2026.

Key facts

This page summarizes Christopher L. Shepler's Form 4 filing for FIRST INTERSTATE BANCSYSTEM INC (FIBK).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 03 Jun 2026, 13:50.

Change

Previous filing in this sequence was filed on 17 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002090710 Primary reporting owner

Shepler Christopher L.

Relationship: Chief Banking Officer
Address: 401 N. 31ST ST., BILLINGS
Signature: /s/ Kirk D. Jensen, Attorney-in-Fact for Reporting Person
Signature date: 03 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

FIBK transaction

Common Stock

Award

Transaction value
Shares: +3,370
Change %: +34%
Price: $0.000000^*
Shares after: 13,240
Date: 01 Jun 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Shares issuable upon vesting of restricted stock units granted to the reporting person pursuant to the Registrant's 2023 Equity and Incentive Plan. The restricted stock units vests on June 1, 2029, subject to the reporting person's continued employment through the vesting date.