First Interstate BancSystem, Inc. (FIBK) SEC Filings

First Interstate BancSystem, Inc. (FIBK) SEC EDGAR filings (10-Q, 8-K, DEF 14A, 10-K, 8-K/A), newest first; latest 10-Q filed 2026-08-03. Every filing links to the canonical SEC document. First-party data.

SEC filings — source: EDGAR

Filed	Form	Title
2026-08-03	10-Q	10-Q filed 2026-08-03 by FIRST INTERSTATE BANCSYSTEM INC
2026-07-23	8-K	8-K filed 2026-07-23 by FIRST INTERSTATE BANCSYSTEM INC
2026-07-16	8-K	8-K filed 2026-07-16 by FIRST INTERSTATE BANCSYSTEM INC
2026-07-09	8-K	8-K filed 2026-07-09 by FIRST INTERSTATE BANCSYSTEM INC
2026-05-29	8-K	8-K filed 2026-05-29 by FIRST INTERSTATE BANCSYSTEM INC
2026-05-13	8-K	8-K filed 2026-05-13 by FIRST INTERSTATE BANCSYSTEM INC
2026-05-07	10-Q	10-Q filed 2026-05-07 by FIRST INTERSTATE BANCSYSTEM INC
2026-04-29	8-K	8-K filed 2026-04-29 by FIRST INTERSTATE BANCSYSTEM INC
2026-04-16	DEF 14A	DEF 14A filed 2026-04-16 by FIRST INTERSTATE BANCSYSTEM INC
2026-02-26	10-K	10-K filed 2026-02-26 by FIRST INTERSTATE BANCSYSTEM INC
2026-01-28	8-K	8-K filed 2026-01-28 by FIRST INTERSTATE BANCSYSTEM INC
2025-11-18	8-K	8-K filed 2025-11-18 by FIRST INTERSTATE BANCSYSTEM INC
2025-11-06	10-Q	10-Q filed 2025-11-06 by FIRST INTERSTATE BANCSYSTEM INC
2025-10-29	8-K	8-K filed 2025-10-29 by FIRST INTERSTATE BANCSYSTEM INC
2025-10-16	8-K	8-K filed 2025-10-16 by FIRST INTERSTATE BANCSYSTEM INC
2025-10-14	8-K	8-K filed 2025-10-14 by FIRST INTERSTATE BANCSYSTEM INC
2025-09-09	8-K	8-K filed 2025-09-09 by FIRST INTERSTATE BANCSYSTEM INC
2025-09-02	8-K	8-K filed 2025-09-02 by FIRST INTERSTATE BANCSYSTEM INC
2025-08-29	8-K/A	8-K/A filed 2025-08-29 by FIRST INTERSTATE BANCSYSTEM INC
2025-08-28	8-K	8-K filed 2025-08-28 by FIRST INTERSTATE BANCSYSTEM INC
2025-08-18	8-K	8-K filed 2025-08-18 by FIRST INTERSTATE BANCSYSTEM INC
2025-08-15	8-K	8-K filed 2025-08-15 by FIRST INTERSTATE BANCSYSTEM INC
2025-08-06	10-Q	10-Q filed 2025-08-06 by FIRST INTERSTATE BANCSYSTEM INC
2025-07-29	8-K	8-K filed 2025-07-29 by FIRST INTERSTATE BANCSYSTEM INC
2025-07-03	8-K	8-K filed 2025-07-03 by FIRST INTERSTATE BANCSYSTEM INC
2025-06-10	8-K	8-K filed 2025-06-10 by FIRST INTERSTATE BANCSYSTEM INC
2025-06-06	8-K	8-K filed 2025-06-06 by FIRST INTERSTATE BANCSYSTEM INC
2025-06-02	8-K	8-K filed 2025-06-02 by FIRST INTERSTATE BANCSYSTEM INC
2025-06-02	8-K	8-K filed 2025-06-02 by FIRST INTERSTATE BANCSYSTEM INC
2025-05-23	8-K	8-K filed 2025-05-23 by FIRST INTERSTATE BANCSYSTEM INC

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Data sourced from U.S. SEC EDGAR. Not personalized investment advice.