| 01 Jun 2026 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 2,247 | 0.00 USD | |
| 11 Nov 2025 | SALE | FIRST INTERSTATE BANCSYSTEM INC | 15,000 | 32.14 USD | |
| 10 Nov 2025 | SALE | FIRST INTERSTATE BANCSYSTEM INC | 20,000 | 32.06 USD | |
| 17 Sept 2025 | INHERITANCE | FIRST INTERSTATE BANCSYSTEM INC | 67,482 | 0.00 USD | |
| 09 Sept 2025 | INHERITANCE | FIRST INTERSTATE BANCSYSTEM INC | 30,432 | 0.00 USD | |
| 10 Sept 2025 | INHERITANCE | FIRST INTERSTATE BANCSYSTEM INC | 45,154 | 0.00 USD | |
| 26 Feb 2025 | SALE | FIRST INTERSTATE BANCSYSTEM INC | 250 | 30.52 USD | |
| 06 Feb 2025 | GIFT | FIRST INTERSTATE BANCSYSTEM INC | 1,070 | 0.00 USD | |
| 06 Feb 2025 | GIFT | FIRST INTERSTATE BANCSYSTEM INC | 1,070 | 0.00 USD | |
| 31 Jul 2024 | GIFT | FIRST INTERSTATE BANCSYSTEM INC | 2,300 | 0.00 USD | |
| 31 Jul 2024 | GIFT | FIRST INTERSTATE BANCSYSTEM INC | 2,300 | 0.00 USD | |
| 01 Jun 2023 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 3,401 | 0.00 USD | |
| 14 Dec 2021 | GIFT | FIRST INTERSTATE BANCSYSTEM INC | 325 | 0.00 USD | |
| 14 Dec 2021 | GIFT | FIRST INTERSTATE BANCSYSTEM INC | 650 | 0.00 USD | |
| 14 Dec 2021 | SALE | FIRST INTERSTATE BANCSYSTEM INC | 180 | 40.96 USD | |
| 14 Dec 2021 | GIFT | FIRST INTERSTATE BANCSYSTEM INC | 650 | 0.00 USD | |
| 01 Jun 2021 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 1,168 | 47.07 USD | |
| 05 Mar 2021 | GIFT | FIRST INTERSTATE BANCSYSTEM INC | 1,625 | 0.00 USD | |
| 01 Jun 2020 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 1,440 | 31.25 USD | |
| 03 Jun 2019 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 1,219 | 37.06 USD | |
| 01 Jun 2018 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 572 | 43.65 USD | |
| 30 May 2018 | SALE | FIRST INTERSTATE BANCSYSTEM INC | 2,000 | 43.98 USD | |
| 12 Dec 2016 | SALE | FIRST INTERSTATE BANCSYSTEM INC | 1,000 | 41.87 USD | |
| 24 Aug 2016 | EXERCISE | FIRST INTERSTATE BANCSYSTEM INC | 1,972 | 15.91 USD | |
| 24 Aug 2016 | EXERCISE | FIRST INTERSTATE BANCSYSTEM INC | 3,094 | 13.25 USD | |