FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2024

Jun 5, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2024-06-01

Reporting Person: SCOTT JAMES R (Director, 10% Owner)
Reporting Person: Foundation for Community Vitality (10% Owner)
Reporting Person: J.S. Investments Limited Partnership (10% Owner)
Reporting Person: James F Heyneman Conservatorship, James Scott, Conservator (10% Owner)
Reporting Person: James F Heyneman Trust, James Scott & First Interstate Wealth Management Co-Trustees (10% Owner)
Reporting Person: James R Scott Trust, James R Scott & First Interstate Wealth Management Co-TTEEs (10% Owner)
Reporting Person: James R & Christine M Scott Foundation (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-06-01	Common Stock	A	3014	—	Acquired	21333	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	4388016	Indirect

Footnotes

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 vest on June 1, 2025, subject to the reporting persons provision of continuous service to the Registrant through the vesting date.

F2: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, 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 herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 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. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

F3: Composed of 1,970,031 shares held of record by James R Scott Trust, James R Scott & First Interstate Wealth Management Co-TTEEs, 15,660 shares held of record by James R Scott's 401k, 35,240 shares held of record by James R and Christine M Scott Foundation, 1,901,036 shares held of record by JS Investments Limited Partnership, 343,599 shares held of record by Foundation for Community Vitality, 73,002 shares held of record by James F Heyneman Conservatorship, James Scott, Conservator, 7,096 shares held of record by James F Heyneman Trust, James Scott & First Interstate Wealth Management Co-Trustees, and 42,352 shares held of record by James R. Scott's spouse.