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| 0000860413-25-000160-index.html | 2025-10-29 16:06:08 | |
| 0000860413-25-000160.txt | 2025-10-29 16:06:08 | |
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| fibk-20250930x8kpr.htm | 769194 | 2025-10-29 16:06:08 |
| fibk-20251029.htm | 32470 | 2025-10-29 16:06:08 |
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