First Interstate Bancsystem FIBK SEC Filings

NASDAQ FIBK
$37.80 -0.20 (-0.53%)
At close: Nov 11, 2026 · 4:00 PM EST
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing First Interstate Bancsystem Inc (FIBK) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
1144Insider Transaction0001958244-26-000705Nov 9, 2026 11:13 PM
24Insider Transaction0001675872-26-000001Nov 3, 2026 6:22 PM
310-QQuarterly & Annual Report0000860413-26-000100Nov 2, 2026 9:16 PM
4144Insider Transaction0001959173-26-007601Nov 2, 2026 5:38 PM
5144Insider Transaction0001959173-26-007574Oct 30, 2026 8:01 PM
64Insider Transaction0001493152-26-048502Oct 26, 2026 7:45 PM
74Insider Transaction0001493152-26-048199Oct 23, 2026 9:43 PM
8144Insider Transaction0001958244-26-000671Oct 22, 2026 2:58 AM
98-KCurrent Report0000860413-26-000097Oct 22, 2026 12:10 AM
104Insider Transaction0001493152-26-045898Oct 6, 2026 8:43 PM
114Insider Transaction0002090710-26-000006Sep 22, 2026 10:21 PM
124Insider Transaction0001493152-26-042992Sep 16, 2026 11:04 PM
138-KCurrent Report0000860413-26-000092Sep 16, 2026 6:06 PM
144Insider Transaction0002154828-26-000005Sep 16, 2026 5:16 PM
153Insider Transaction0002154828-26-000003Sep 15, 2026 12:12 AM
164Insider Transaction0001493152-26-042633Sep 14, 2026 11:21 PM
174Insider Transaction0001493152-26-042536Sep 14, 2026 5:31 PM
18144Insider Transaction0001958244-26-000591Sep 11, 2026 10:53 PM
198-KCurrent Report0000860413-26-000088Aug 21, 2026 1:20 PM
20SCHEDULE 13GBeneficial Ownership Report0000093751-26-000463Aug 7, 2026 1:34 PM
2110-QQuarterly & Annual Report0000860413-26-000084Aug 3, 2026 8:01 PM
224Insider Transaction0001493152-26-035055Jul 28, 2026 10:34 PM
234Insider Transaction0002146309-26-000004Jul 24, 2026 10:31 PM
244Insider Transaction0001196952-26-000004Jul 24, 2026 10:30 PM
258-KCurrent Report0000860413-26-000081Jul 23, 2026 8:14 PM
263Insider Transaction0002146309-26-000002Jul 21, 2026 6:50 PM
273Insider Transaction0001196952-26-000002Jul 21, 2026 6:50 PM
284Insider Transaction0001493152-26-033609Jul 16, 2026 11:01 PM
29144Insider Transaction0001958244-26-000458Jul 16, 2026 8:42 PM
308-KCurrent Report0000860413-26-000078Jul 16, 2026 8:06 PM
318-KCurrent Report0000860413-26-000075Jul 9, 2026 8:02 PM
324Insider Transaction0001493152-26-029403Jun 18, 2026 9:51 PM
33144Insider Transaction0001950047-26-006304Jun 18, 2026 8:10 PM
344Insider Transaction0001493152-26-029300Jun 18, 2026 7:46 PM
354Insider Transaction0001493152-26-029217Jun 18, 2026 2:23 PM
36144Insider Transaction0001958244-26-000390Jun 17, 2026 9:21 PM
374Insider Transaction0001493152-26-027328Jun 4, 2026 10:41 PM
384Insider Transaction0001199246-26-000002Jun 3, 2026 5:50 PM
394Insider Transaction0002090710-26-000004Jun 3, 2026 5:50 PM
404Insider Transaction0002003084-26-000006Jun 3, 2026 5:49 PM
414Insider Transaction0001812520-26-000003Jun 3, 2026 5:49 PM
424Insider Transaction0001572624-26-000002Jun 3, 2026 5:49 PM
434Insider Transaction0002129338-26-000007Jun 3, 2026 5:49 PM
444Insider Transaction0002071416-26-000006Jun 3, 2026 5:49 PM
454Insider Transaction0002129553-26-000006Jun 3, 2026 5:49 PM
464Insider Transaction0001284209-26-000002Jun 3, 2026 5:49 PM
474Insider Transaction0001594614-26-000002Jun 3, 2026 5:49 PM
484Insider Transaction0001548048-26-000002Jun 3, 2026 5:49 PM
494Insider Transaction0001838577-26-000007Jun 3, 2026 5:49 PM
504Insider Transaction0001697127-26-000007Jun 3, 2026 5:49 PM
...

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