| 16 Mar 2026 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 1,241 | 33.22 USD | |
| 15 Mar 2026 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 4,044 | 33.13 USD | |
| 28 May 2025 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 258 | 26.79 USD | |
| 15 Mar 2025 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 4,465 | 0.00 USD | |
| 17 Mar 2025 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 151 | 29.14 USD | |
| 17 Mar 2025 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 389 | 29.14 USD | |
| 17 Mar 2025 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 309 | 29.14 USD | |
| 17 Mar 2025 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 494 | 29.14 USD | |
| 28 May 2024 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 257 | 26.50 USD | |
| 15 Mar 2024 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 178 | 25.21 USD | |
| 15 Mar 2024 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 114 | 25.21 USD | |
| 15 Mar 2024 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 5,051 | 0.00 USD | |
| 15 Mar 2024 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 365 | 25.21 USD | |
| 07 Feb 2024 | SALE | FIRST INTERSTATE BANCSYSTEM INC | 2,710 | 25.83 USD | |
| 28 May 2023 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 266 | 23.07 USD | |
| 24 May 2023 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 3,153 | 0.00 USD | |
| 15 Mar 2023 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 897 | 0.00 USD | |
| 15 Mar 2023 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 100 | 31.39 USD | |
| 15 Mar 2023 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 156 | 31.39 USD | |
| 15 Mar 2023 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 1,322 | 0.00 USD | |
| 15 Mar 2023 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 273 | 31.39 USD | |
| 15 Feb 2023 | TAX_WITHHOLDING | FIRST INTERSTATE BANCSYSTEM INC | 210 | 37.31 USD | |
| 28 May 2022 | GRANT_AWARD | FIRST INTERSTATE BANCSYSTEM INC | 2,626 | 0.00 USD | |