First Interstate Bancsystem Inc
FIBKNasdaqCIK 860413FinancialsFiscal year ends Dec 31
Reports and events: 401 filings
Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.
What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-10-2216:10 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0000860413-26-000097 |
| 2026-09-1614:06 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000860413-26-000092 |
| 2026-08-2109:20 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000860413-26-000088 |
| 2026-08-0316:01 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0000860413-26-000084 |
| 2026-07-2316:14 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0000860413-26-000081 |
| 2026-07-1616:06 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000860413-26-000078 |
| 2026-07-0916:02 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000860413-26-000075 |
| 2026-05-2916:26 ET | 8-K | 5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000860413-26-000048 |
| 2026-05-1317:12 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000860413-26-000041 |
| 2026-05-0716:10 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0000860413-26-000038 |
| 2026-04-2916:12 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0000860413-26-000034 |
| 2026-04-1616:09 ET | DEF 14A | Proxy statementPeriod 2025-12-31 | 0000860413-26-000025 |
| 2026-02-2616:19 ET | 10-K | Annual reportPeriod 2025-12-31 | 0000860413-26-000011 |
| 2026-01-2816:10 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0000860413-26-000007 |
| 2025-11-1809:15 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000860413-25-000168 |
| 2025-11-0615:22 ET | 10-Q | Quarterly reportPeriod 2025-09-30 | 0000860413-25-000165 |
| 2025-10-2916:06 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events | 0000860413-25-000160 |
| 2025-10-1616:01 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000860413-25-000155 |
| 2025-10-1410:01 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000860413-25-000152 |
| 2025-09-0916:48 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000860413-25-000147 |
| 2025-09-0208:32 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000860413-25-000137 |
| 2025-08-2916:20 ET | 8-K/A | 5.02 Departure or appointment of officers or directors | 0000860413-25-000135 |
| 2025-08-2816:35 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0000860413-25-000129 |
| 2025-08-1817:11 ET | 8-K | 1.02 Termination of a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0000860413-25-000122 |
| 2025-08-1513:31 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000860413-25-000119 |
| 2025-08-0616:16 ET | 10-Q | Quarterly reportPeriod 2025-06-30 | 0000860413-25-000117 |
| 2025-07-2916:21 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0000860413-25-000114 |
| 2025-07-0316:09 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-065784 |
| 2025-06-1016:30 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001104659-25-058170 |
| 2025-06-0616:27 ET | 8-K | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-057359 |
| 2025-06-0210:03 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000860413-25-000078 |
| 2025-06-0209:26 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000860413-25-000077 |
| 2025-05-2316:35 ET | 8-K | 5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000860413-25-000070 |
| 2025-05-0714:47 ET | 10-Q | Quarterly reportPeriod 2025-03-31 | 0000860413-25-000060 |
| 2025-04-2916:09 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0000860413-25-000057 |
| 2025-04-2816:05 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000860413-25-000051 |
| 2025-04-0816:03 ET | DEF 14A | Proxy statementPeriod 2025-04-08 | 0000860413-25-000045 |
| 2025-03-1917:15 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000860413-25-000036 |
| 2025-02-2817:31 ET | 10-K | Annual reportPeriod 2024-12-31 | 0000860413-25-000022 |
| 2025-02-2618:36 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000860413-25-000017 |
| 2025-02-2508:30 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000860413-25-000015 |
| 2025-01-2916:28 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0000860413-25-000006 |
| 2025-01-1008:53 ET | 8-K | 2.02 Results of operations; 2.06 Material impairments; 9.01 Financial statements and exhibits | 0000860413-25-000003 |
| 2024-11-0416:42 ET | 10-Q | Quarterly reportPeriod 2024-09-30 | 0000860413-24-000130 |
| 2024-10-2416:17 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0000860413-24-000128 |
| 2024-10-0917:12 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000860413-24-000125 |
| 2024-08-0211:56 ET | 10-Q | Quarterly reportPeriod 2024-06-30 | 0000860413-24-000118 |
| 2024-07-2516:01 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0000860413-24-000111 |
| 2024-07-1216:03 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000860413-24-000108 |
| 2024-06-1406:56 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000860413-24-000106 |
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 26, 2026, 15:46 ET. Listed shows no prices and gives no investment advice.