FIRST INTERSTATE BANCSYSTEM INC reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Billings, MT
SEC filing record 1 source field available
Fiscal year end
31 December
FIRST INTERSTATE BANCSYSTEM INC has filed 2,949 SEC EDGAR filings since 14 Jun 1996

SEC filing history

Showing 51-75 of 1,000 matching filings.

Per page
25
Current page
3
5

5

Filing date
17 Feb 2026
Reporting date
31 Dec 2025
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144 File 001-34653

144 filing

Filing date
11 Feb 2026
Reporting date
Not listed
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SCHEDULE 13G File 005-78756

SCHEDULE 13G filing

Filing date
09 Feb 2026
Reporting date
Not listed
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144 File 001-34653

144 filing

Filing date
03 Feb 2026
Reporting date
Not listed
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SCHEDULE 13G/A File 005-78756

SCHEDULE 13G/A filing

Filing date
30 Jan 2026
Reporting date
Not listed
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SCHEDULE 13G/A File 005-78756

SCHEDULE 13G/A filing

Filing date
08 Jan 2026
Reporting date
Not listed
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4

4

Filing date
06 Jan 2026
Reporting date
05 Jan 2026
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4

FORM 4

Filing date
06 Jan 2026
Reporting date
08 Dec 2025
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144 File 001-34653

144 filing

Filing date
05 Jan 2026
Reporting date
Not listed
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4

4

Filing date
15 Dec 2025
Reporting date
08 Dec 2025
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4

4

Filing date
10 Dec 2025
Reporting date
08 Dec 2025
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4

4

Filing date
04 Dec 2025
Reporting date
03 Dec 2025
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4

4

Filing date
01 Dec 2025
Reporting date
01 Dec 2025
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4

FORM 4

Filing date
25 Nov 2025
Reporting date
21 Nov 2025
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4

FORM 4

Filing date
24 Nov 2025
Reporting date
24 Nov 2025
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144 File 001-34653

144 filing

Filing date
24 Nov 2025
Reporting date
Not listed
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4

FORM 4

Filing date
14 Nov 2025
Reporting date
12 Nov 2025
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4

FORM 4

Filing date
12 Nov 2025
Reporting date
09 Sep 2025
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SCHEDULE 13G File 005-78756

SCHEDULE 13G filing

Filing date
12 Nov 2025
Reporting date
Not listed
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144 File 001-34653

144 filing

Filing date
12 Nov 2025
Reporting date
Not listed
SEC evidence
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144 File 001-34653

144 filing

Filing date
10 Nov 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-78756

SCHEDULE 13G/A filing

Filing date
04 Nov 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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