First Interstate Bancsystem Inc (FIBK)

CIK 860413 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for First Interstate Bancsystem Inc.

Recent SEC filings

FiledFormAccession number
Sep 11, 20261440001958244-26-000591
Aug 21, 20268-K0000860413-26-000088
Aug 7, 2026SCHEDULE 13G0000093751-26-000463
Aug 3, 202610-Q0000860413-26-000084
Jul 28, 202640001493152-26-035055
Jul 24, 202640002146309-26-000004
Jul 24, 202640001196952-26-000004
Jul 23, 20268-K0000860413-26-000081
Jul 21, 202630002146309-26-000002
Jul 21, 202630001196952-26-000002
Jul 16, 20268-K0000860413-26-000078
Jul 16, 202640001493152-26-033609
Jul 16, 20261440001958244-26-000458
Jul 9, 20268-K0000860413-26-000075
Jun 18, 202640001493152-26-029300
Jun 18, 20261440001950047-26-006304
Jun 18, 202640001493152-26-029217
Jun 18, 202640001493152-26-029403
Jun 17, 20261440001958244-26-000390
Jun 4, 202640001493152-26-027328
Jun 3, 202640002003084-26-000006
Jun 3, 202640002129553-26-000006
Jun 3, 202640001284209-26-000002
Jun 3, 202640001572624-26-000002
Jun 3, 202640002129338-26-000007