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FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2025
Oct 3, 2025
31290_dirs_2025-10-03_e35a0f5e-1355-4b0e-a031-57d4bc715261.zip
Director's Dealing
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SEC Form 4 — Statement of Changes in Beneficial Ownership
Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2025-09-09
Reporting Person: Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees (10% Owner)
Non-Derivative Transactions
| Date | Security | Code | Shares | Price | A/D | Holdings After | Ownership |
|---|---|---|---|---|---|---|---|
| 2025-09-09 | Common Stock | W | 152160 | — | Disposed | 367096 | Indirect |
| 2025-09-10 | Common Stock | W | 45154 | — | Disposed | 321942 | Indirect |
| 2025-09-17 | Common Stock | W | 67482 | — | Disposed | 254460 | Indirect |
| 2025-10-01 | Common Stock | S | 10000 | $31.59 | Disposed | 244460 | Indirect |
Footnotes
F1: Composed of 244,460 shares held of record by Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees.
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, if any, together with Susan Scott Heyneman, Trust.