First Interstate BancSystem, Inc. (FIBK) SEC Filings
Everything FIBK has filed with the SEC, newest first. An 8-K shows
what it was about where we have classified it — an earnings release and a
change of chief executive are both 8-Ks, and the form number alone doesn't
separate them.
All
10-K
10-Q
144
4
8-K · Executive Change
87 filings
Date
Form
Filing
Sep 22, 2026
4
View filing
Sep 16, 2026
4
View filing
Sep 16, 2026
8-K
Executive Change
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Sep 16, 2026
4
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Sep 14, 2026
4
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Sep 14, 2026
4
View filing
Sep 11, 2026
144
View filing
Aug 21, 2026
8-K
Executive Change
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Aug 3, 2026
10-Q
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Jul 28, 2026
4
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Jul 24, 2026
4
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Jul 24, 2026
4
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Jul 16, 2026
4
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Jun 18, 2026
4
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Jun 18, 2026
4
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Jun 18, 2026
4
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Jun 4, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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Jun 3, 2026
4
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May 7, 2026
10-Q
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May 1, 2026
4
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Mar 27, 2026
4
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Mar 18, 2026
4
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Mar 18, 2026
4
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Mar 18, 2026
4
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Mar 18, 2026
4
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Mar 18, 2026
4
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Mar 17, 2026
4
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Mar 17, 2026
4
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Mar 17, 2026
4
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Mar 17, 2026
4
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Mar 17, 2026
4
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Mar 17, 2026
4
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Mar 17, 2026
4
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Feb 26, 2026
10-K
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Jan 6, 2026
4
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Jan 6, 2026
4
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Dec 15, 2025
4
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Dec 10, 2025
4
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Dec 4, 2025
4
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Dec 1, 2025
4
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Nov 25, 2025
4
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Nov 24, 2025
4
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Nov 14, 2025
4
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Nov 12, 2025
4
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Nov 6, 2025
10-Q
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Nov 3, 2025
4
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Nov 3, 2025
4
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Oct 29, 2025
4
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Oct 9, 2025
4
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Oct 9, 2025
4
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Oct 8, 2025
4
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Oct 3, 2025
4
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Sep 9, 2025
4
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Sep 5, 2025
4
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Sep 2, 2025
4
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Aug 29, 2025
4
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Aug 6, 2025
10-Q
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May 7, 2025
10-Q
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Feb 28, 2025
10-K
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Nov 4, 2024
10-Q
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Aug 2, 2024
10-Q
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May 3, 2024
10-Q
View filing
Feb 29, 2024
10-K
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Nov 3, 2023
10-Q
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Aug 4, 2023
10-Q
View filing
May 5, 2023
10-Q
View filing
Feb 24, 2023
10-K
View filing
Nov 7, 2022
10-Q
View filing
Aug 5, 2022
10-Q
View filing
May 9, 2022
10-Q
View filing
Feb 25, 2022
10-K
View filing
Nov 4, 2021
10-Q
View filing
Filings are sourced from EDGAR and open on the SEC's own site.
Classification of 8-K events is ours and is not part of the filing.