James R. Scott - 31 Dec 2025 Form 5 Insider Report for FIRST INTERSTATE BANCSYSTEM INC (FIBK)

Reporting relationship: 10%+ Owner
Issuer ticker: FIBK
Reported as of: 31 Dec 2025
Net transaction value: $0
SEC form: 5
Accepted by SEC: 18 Feb 2026, 06:16:14 UTC
Prior SEC filing: 15 Dec 2025
Source filing: View source filing
Reporting owner signature: JAMES R SCOTT, By: ++

Key filing fact

James R. Scott filed Form 5 for FIRST INTERSTATE BANCSYSTEM INC (FIBK) on 18 Feb 2026.

Key facts

This page summarizes James R. Scott's Form 5 filing for FIRST INTERSTATE BANCSYSTEM INC (FIBK).
0 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 18 Feb 2026, 06:16.

Change

Previous filing in this sequence was filed on 15 Dec 2025.
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

Official SEC source

Ownership activity is grounded in SEC Form 5 disclosures.

View source filing

Reporting Owners (7)

CIK 0001198533 Primary reporting owner

SCOTT JAMES R

Relationship: 10%+ Owner
Address: P.O. BOX 7113, BILLINGS,
Signature: JAMES R SCOTT, By: ++
Signature date: 17 Feb 2026

CIK 0001908712

James R Scott Trust, James R Scott & First Interstate Wealth Management Co-TTEEs

Relationship: 10%+ Owner
Address: P.O. BOX 7113, BILLINGS,
Signature: James R Scott Trust, James R Scott & First Interstate Wealth Management Co-TTEEs, By:++
Signature date: 17 Feb 2026

CIK 0001908658

JS Investments Limited Partnership

Relationship: 10%+ Owner
Address: P.O. BOX 7113, BILLINGS,
Signature: James R & Christine M Scott Foundation, By: ++
Signature date: 17 Feb 2026

CIK 0001909853

James R & Christine M Scott Foundation

Relationship: 10%+ Owner
Address: P.O. BOX 7113, BILLINGS,
Signature: Foundation for Community Vitality, By: ++
Signature date: 17 Feb 2026

CIK 0001908742

Foundation for Community Vitality

Relationship: 10%+ Owner
Address: P.O. BOX 7113, BILLINGS,
Signature: James F Heyneman Conservatorship, James Scott, Conservator, By: ++
Signature date: 17 Feb 2026

CIK 0001908854

James F Heyneman Conservatorship, James Scott, Conservator

Relationship: 10%+ Owner
Address: P.O. BOX 7113, BILLINGS,
Signature: James F Heyneman Trust, James Scott & First Interstate Wealth Management Co-Trustees, By: ++
Signature date: 17 Feb 2026

CIK 0001908844

James F Heyneman Trust, James Scott & First Interstate Wealth Management Co-Trustees

Relationship: 10%+ Owner
Address: P.O. BOX 7113, BILLINGS,
Signature: ++ /s/ Timothy Leuthold, Attorney-in-Fact for Reporting Person
Signature date: 17 Feb 2026

Reported non-derivative transactions

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

FIBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,531,970
Date: 31 Dec 2025
Ownership: See footnotes
Footnotes: F1, F2, F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Composed of 1,989,882 shares held of record by James R Scott Trust, James R Scott & First Interstate Wealth Management Co-TTEEs, 14,534 shares held of record by James R Scott's 401(k) plan, 35,240 shares held of record by James R and Christine M Scott Foundation, 346,563 shares held of record by Foundation for Community Vitality, 73,002 shares held of record by James F Heyneman Conservatorship, James Scott, Conservator, 31,879 shares held of record by James F Heyneman Trust, James Scott & First Interstate Wealth Management Co-Trustees, and 40,870 shares held of record by James R. Scott's spouse. James R Scott ceased to have an indirect reportable beneficial ownership interest in the 1,901,036 shares held of record by JS Investments Limited Partnership upon his resignation in November 2025 as the Managing General Partner of such partnership.

Footnote F2

As a result of agreements entered into among the reporting persons, the issuer, and other stockholders of the issuer signatory thereto, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported therein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of his or its pecuniary interest therein. The reporting persons expect to file future Forms 4 or 5, if any, together with James R. Scott with the indication of direct or indirect ownership in Tables I and II being made from James R. Scott's perspective, unless expressly noted otherwise by footnote.

Footnote F3

As a result of the resignation described in footnote 1 hereto, JS Investments Limited Partnership no longer intends to file future Forms 4 or 5 with the other reporting persons identified in the form. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

SEC remarks

Form filed solely to reflect that JS Investments Limited Partnership is no longer filing Forms 4 and 5 together with the other reporting persons herein.