First Interstate Bancsystem Inc

Symbol: FIBK on Nasdaq
Entity: Company
Industry: State Commercial Banks (Office Of Finance)
Business address: 401 No 31 St Street, 59101 Billings, MT
Phone: 4062555311
State of incorporation: DE
Fiscal year end: December 31
Category: Large accelerated filer
Former names: FIRST INTERSTATE BANCSYSTEM OF MONTANA INC (to 3/9/1999)
Signature 13F: CHAD L. HOOKER - SENIOR VICE PRESIDENT
All SEC filings: View on sec.gov

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First Interstate Bancsystem Inc has filed 2,813 SEC EDGAR filings since 6/14/1996

Latest Filings

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open Document	Open Filing	FORM 4	May 30, 2025	May 24, 2023
4	Open Document	Open Filing	FORM 4	May 29, 2025	May 28, 2025
8-K	Open Document \| Data	Open Filing	8-K	May 23, 2025	May 20, 2025	001-34653
DEFA14A	Open Document	Open Filing	DEFA14A	May 16, 2025		001-34653
10-Q	Open Document \| Data	Open Filing	10-Q	May 7, 2025	Mar 31, 2025	001-34653
8-K	Open Document \| Data	Open Filing	8-K	Apr 29, 2025	Apr 29, 2025	001-34653
3	Open Document	Open Filing	FORM 3	Apr 29, 2025	Apr 22, 2025
8-K	Open Document \| Data	Open Filing	8-K	Apr 28, 2025	Apr 28, 2025	001-34653
SCHEDULE 13G/A	Open Document	Open Filing		Apr 17, 2025		005-78756
ARS	Open Document	Open Filing	ARS	Apr 8, 2025	Dec 31, 2024	001-34653
DEFA14A	Open Document	Open Filing	DEFA14A	Apr 8, 2025		001-34653
DEF 14A	Open Document \| Data	Open Filing	DEF 14A	Apr 8, 2025	Apr 8, 2025	001-34653
8-K	Open Document \| Data	Open Filing	8-K	Mar 19, 2025	Mar 14, 2025	001-34653
4	Open Document	Open Filing	FORM 4	Mar 18, 2025	Mar 15, 2025
4	Open Document	Open Filing	FORM 4	Mar 18, 2025	Mar 15, 2025
4	Open Document	Open Filing	FORM 4	Mar 18, 2025	Mar 15, 2025
4	Open Document	Open Filing	FORM 4	Mar 18, 2025	Mar 15, 2025
4	Open Document	Open Filing	FORM 4	Mar 18, 2025	Mar 15, 2025
4	Open Document	Open Filing	FORM 4	Mar 18, 2025	Mar 15, 2025
10-K	Open Document \| Data	Open Filing	10-K	Feb 28, 2025	Dec 31, 2024	001-34653
4	Open Document	Open Filing	FORM 4	Feb 26, 2025	Feb 26, 2025
144	Open Document	Open Filing		Feb 26, 2025		001-34653
8-K	Open Document \| Data	Open Filing	8-K	Feb 26, 2025	Feb 24, 2025	001-34653
8-K	Open Document \| Data	Open Filing	8-K	Feb 25, 2025	Feb 20, 2025	001-34653
4	Open Document	Open Filing	FORM 4	Feb 18, 2025	Feb 14, 2025
144	Open Document	Open Filing		Feb 14, 2025		001-34653
4	Open Document	Open Filing		Feb 14, 2025	Oct 30, 2024
SCHEDULE 13G	Open Document	Open Filing		Feb 12, 2025		005-78756
4	Open Document	Open Filing	FORM 4	Feb 11, 2025	Feb 10, 2025
4	Open Document	Open Filing	FORM 4	Feb 10, 2025	Feb 6, 2025
8-K	Open Document \| Data	Open Filing	8-K	Jan 29, 2025	Jan 29, 2025	001-34653
8-K	Open Document \| Data	Open Filing	8-K	Jan 10, 2025	Jan 3, 2025	001-34653
4	Open Document	Open Filing	FORM 4	Dec 13, 2024	Dec 11, 2024
4	Open Document	Open Filing		Nov 25, 2024	Nov 22, 2024
144	Open Document	Open Filing		Nov 22, 2024		001-34653
4	Open Document	Open Filing	FORM 4	Nov 14, 2024	Nov 12, 2024
144	Open Document	Open Filing		Nov 13, 2024		001-34653
4	Open Document	Open Filing		Nov 12, 2024	Nov 8, 2024
144	Open Document	Open Filing		Nov 12, 2024		001-34653
144	Open Document	Open Filing		Nov 12, 2024		001-34653
144	Open Document	Open Filing		Nov 12, 2024		001-34653
SC 13G/A	Open Document	Open Filing		Nov 12, 2024		005-78756
4	Open Document	Open Filing		Nov 8, 2024	Nov 6, 2024
144	Open Document	Open Filing		Nov 7, 2024		001-34653
144	Open Document	Open Filing		Nov 7, 2024		001-34653
144	Open Document	Open Filing		Nov 7, 2024		001-34653
4	Open Document	Open Filing	FORM 4	Nov 5, 2024	Nov 1, 2024
3	Open Document	Open Filing	FORM 3	Nov 5, 2024	Nov 1, 2024
10-Q	Open Document \| Data	Open Filing	10-Q	Nov 4, 2024	Sep 30, 2024	001-34653
8-K	Open Document \| Data	Open Filing	8-K	Oct 24, 2024	Oct 24, 2024	001-34653

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