| 16 mars 2026 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 1 375 | 33.22 USD | |
| 15 mars 2026 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 3 951 | 33.13 USD | |
| 17 mars 2025 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 528 | 29.14 USD | |
| 17 mars 2025 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 230 | 29.14 USD | |
| 15 mars 2025 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 4 404 | 0.00 USD | |
| 17 mars 2025 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 363 | 29.14 USD | |
| 17 mars 2025 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 581 | 29.14 USD | |
| 15 mars 2024 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 159 | 25.21 USD | |
| 15 mars 2024 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 272 | 25.21 USD | |
| 15 mars 2024 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 428 | 25.21 USD | |
| 15 mars 2024 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 5 934 | 0.00 USD | |
| 24 mai 2023 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 3 704 | 0.00 USD | |
| 28 avr. 2023 | PURCHASE | FIRST INTERSTATE BANCSYSTEM INC | 1 000 | 25.57 USD | |
| 15 mars 2023 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 1 220 | 0.00 USD | |
| 15 mars 2023 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 1 798 | 0.00 USD | |
| 15 mars 2023 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 238 | 31.39 USD | |
| 15 mars 2023 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 371 | 31.39 USD | |
| 15 mars 2023 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 139 | 31.39 USD | |
| 15 févr. 2023 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 285 | 37.31 USD | |
| 15 mars 2022 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 1 230 | 0.00 USD | |
| 15 mars 2022 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 2 349 | 0.00 USD | |
| 15 mars 2022 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 139 | 0.00 USD | |
| 15 mars 2022 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 374 | 0.00 USD | |
| 15 févr. 2022 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 479 | 38.09 USD | |
| 15 mars 2021 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 2 236 | 0.00 USD | |