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

Role
Director, 10%+ Owner
Signature
JAMES R. SCOTT, Jr., By: /s/ Kirk D. Jensen, Attorney-In-Fact for reporting person
Issuer symbol
FIBK
Transactions as of
31 Dec 2025
Net transactions value
$0
Form type
5
Filing time
17 Feb 2026, 21:29:16 UTC
Previous filing
03 Jun 2025
SEC
View on sec.gov

Reporting Owners (4)

Name Relationship Address Signature Signature date CIK
Scott James R. Jr Director, 10%+ Owner P.O. BOX 30918, BILLINGS JAMES R. SCOTT, Jr., By: /s/ Kirk D. Jensen, Attorney-In-Fact for reporting person 17 Feb 2026 0001675872
JS Investments Limited Partnership 10%+ Owner P.O. BOX 7113, BILLINGS JS Investments Limited Partnership, By: ++ 17 Feb 2026 0001908658
First Interstate Bank TTEE for Dana S Andersson GST Exempt Trust No 1 Dtd 12/11/2020 10%+ Owner P.O. BOX 30918, BILLINGS First Interstate Bank TTEE for Dana S Andersson GST Exempt Trust No 1 Dtd 12/11/2020, By: ++ 17 Feb 2026 0001910215
First Interstate Bank TTEE for James R Scott Jr. GST Exempt Trust No 1 Dtd 12/11/2020 10%+ Owner P.O. BOX 30918, BILLINGS First Interstate Bank TTEE for James R Scott Jr. GST Exempt Trust No 1 Dtd 12/11/2020, By: ++ 17 Feb 2026 0001910352

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding FIBK Common Stock 78,545 31 Dec 2025 Direct
holding FIBK Common Stock 1,952,320 31 Dec 2025 See footnotes F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Composed of 1,901,036 shares held of record by JS Investments Limited Partnership, 25,642 shares held of record by First Interstate Bank TTEE for Dana S Andersson GST Exempt Trust No 1 Dtd 12/11/2020 and 25,642 shares held of record by First Interstate Bank TTEE for James R Scott Jr. GST Exempt Trust No 1 Dtd 12/11/2020. James R. Scott, Jr. obtained an indirect, reportable beneficial ownership interest in the shares held of record by JS Investments Limited Partnership upon his appointment in November 2025 as the Managing General Partner of such partnership, following the resignation from such role of James R. Scott. The partnership continues to hold such shares directly, and James R. Scott, Jr. previously held only partnership interests that had no voting or dispositive power over the shares held directly by the partnership.
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, Jr. with the indication of direct or indirect ownership in Tables I and II being made from James R. Scott, Jr.'s perspective, unless expressly noted otherwise by footnote. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

Remarks:

Form filed solely to include JS Investments Limited Partnership as a person expecting to file future Forms 4 and 5, if any, together with the other reporting persons herein.