James A. Reuter - 16 Mar 2026 Form 4 Insider Report for FIRST INTERSTATE BANCSYSTEM INC (FIBK)

Reporting relationship: President and CEO, Director
Issuer ticker: FIBK
Reported as of: 16 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 Mar 2026, 18:06:42 UTC
Prior SEC filing: 17 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Kirk D. Jensen, as attorney in fact for reporting person

Key filing fact

James A. Reuter filed Form 4 for FIRST INTERSTATE BANCSYSTEM INC (FIBK) on 18 Mar 2026.

Key facts

This page summarizes James A. Reuter's Form 4 filing for FIRST INTERSTATE BANCSYSTEM INC (FIBK).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 18 Mar 2026, 18:06.

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 0002042435 Primary reporting owner

Reuter James A

Relationship: President and CEO, Director
Address: PO BOX 30918, BILLINGS
Signature: /s/ Kirk D. Jensen, as attorney in fact for reporting person
Signature date: 18 Mar 2026

Reported non-derivative transactions

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

FIBK transaction

Common Stock

Tax liability

Transaction value
Shares: -5,125
Change %: -5.6%
Price: $33.22^*
Shares after: 86,904
Date: 16 Mar 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

Number of shares of common stock withheld to satisfy the reporting person's tax withholding obligations upon vesting of a previously reported restricted stock unit award.