FIRST INTERSTATE BANCSYSTEM INC
Insider Ownership
| 8-K | 34 | 07/29/2025 | 07/29/2025 |
| 8-K | 34 | 07/03/2025 | 07/03/2025 |
| 8-K | 34 | 06/10/2025 | 06/10/2025 |
| 8-K | 34 | 06/06/2025 | 06/05/2025 |
| 8-K | 34 | 06/02/2025 | 06/02/2025 |
| 8-K | 34 | 05/23/2025 | 05/20/2025 |
| 8-K | 34 | 04/28/2025 | 04/28/2025 |
| 8-K | 34 | 03/19/2025 | 03/14/2025 |
| 8-K | 34 | 02/25/2025 | 02/20/2025 |
| 8-K | 34 | 01/10/2025 | 01/03/2025 |
≥5% Ownership
| 5 | 07/18/2025 | 12/31/2024 | |
| 4 | 07/15/2025 | 07/14/2025 | |
| 3/A | 06/05/2025 | 06/01/2025 | |
| 3 | 06/04/2025 | 06/01/2025 | |
| 4 | 06/03/2025 | 06/01/2025 | |
| 4 | 06/03/2025 | 06/01/2025 | |
| 4 | 06/03/2025 | 06/01/2025 | |
| 4 | 06/03/2025 | 06/01/2025 | |
| 4 | 06/03/2025 | 06/01/2025 | |
| 4 | 06/03/2025 | 06/01/2025 |