| 16 Mar 2026 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 1,550 | 33.22 USD | |
| 15 Mar 2026 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 3,012 | 33.13 USD | |
| 17 Mar 2025 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 156 | 29.14 USD | |
| 17 Mar 2025 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 71 | 29.14 USD | |
| 15 Mar 2025 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 3,204 | 0.00 USD | |
| 17 Mar 2025 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 76 | 29.14 USD | |
| 17 Mar 2025 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 423 | 29.14 USD | |
| 15 Mar 2024 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 83 | 25.21 USD | |
| 15 Mar 2024 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 89 | 25.21 USD | |
| 15 Mar 2024 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 46 | 25.21 USD | |
| 15 Mar 2024 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 4,317 | 0.00 USD | |