FIRST INTERSTATE BANCSYSTEM INC
Insider Ownership
| 8-K | 34 | 09/09/2025 | 09/03/2025 |
| 8-K/A | 34 | 08/29/2025 | 08/13/2025 |
| 8-K | 34 | 08/28/2025 | 08/28/2025 |
| 8-K | 34 | 08/18/2025 | 08/15/2025 |
| 8-K | 34 | 08/15/2025 | 08/13/2025 |
| 10-Q | 34 | 08/06/2025 | 06/30/2025 |
| 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 |
≥5% Ownership
| 4 | 10/09/2025 | 09/10/2025 | |
| 3 | 10/09/2025 | 09/10/2025 | |
| 4 | 10/09/2025 | 10/09/2025 | |
| 4 | 10/08/2025 | 10/07/2025 | |
| 4 | 10/03/2025 | 09/09/2025 | |
| 4 | 09/09/2025 | 09/05/2025 | |
| 4 | 08/29/2025 | 08/27/2025 | |
| 3 | 08/21/2025 | 08/13/2025 | |
| 4 | 08/18/2025 | 08/14/2025 | |
| 4 | 08/01/2025 | 08/01/2025 |