| 05 Jan 2026 | SALE | FIRST INTERSTATE BANCSYSTEM INC | 3,173 | 36.20 USD | |
| 06 Jan 2026 | SALE | FIRST INTERSTATE BANCSYSTEM INC | 1,827 | 36.92 USD | |
| 30 Jul 2024 | SALE | FIRST INTERSTATE BANCSYSTEM INC | 20,000 | 31.60 USD | |
| 01 Jun 2024 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 3,579 | 0.00 USD | |
| 27 Oct 2023 | SALE | FIRST INTERSTATE BANCSYSTEM INC | 13,400 | 23.35 USD | |
| 11 Sept 2023 | GIFT | FIRST INTERSTATE BANCSYSTEM INC | 140,491 | 0.00 USD | |
| 13 Sept 2023 | SALE | FIRST INTERSTATE BANCSYSTEM INC | 29,000 | 24.85 USD | |
| 13 Sept 2023 | SALE | FIRST INTERSTATE BANCSYSTEM INC | 15,000 | 24.92 USD | |
| 22 Feb 2023 | GIFT | FIRST INTERSTATE BANCSYSTEM INC | 1,350 | 0.00 USD | |