Knife River Corp reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Bismarck, ND
SEC filing record 1 source field available
Fiscal year end
31 December
Knife River Corp has filed 186 SEC EDGAR filings since 14 Dec 2022

SEC filing history

Showing 26-50 of 186 matching filings.

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25
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2
4

4 filing

Filing date
09 Mar 2026
Reporting date
06 Mar 2026
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4

4 filing

Filing date
05 Mar 2026
Reporting date
04 Mar 2026
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4

4 filing

Filing date
05 Mar 2026
Reporting date
04 Mar 2026
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4

4 filing

Filing date
05 Mar 2026
Reporting date
04 Mar 2026
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4

4 filing

Filing date
05 Mar 2026
Reporting date
04 Mar 2026
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4

4 filing

Filing date
05 Mar 2026
Reporting date
04 Mar 2026
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4

4 filing

Filing date
05 Mar 2026
Reporting date
04 Mar 2026
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10-K File 001-41642

KNIFE RIVER FORM 10-K 2025

Filing date
20 Feb 2026
Reporting date
31 Dec 2025
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4

4 filing

Filing date
17 Feb 2026
Reporting date
12 Feb 2026
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4

4 filing

Filing date
17 Feb 2026
Reporting date
12 Feb 2026
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4

4 filing

Filing date
17 Feb 2026
Reporting date
12 Feb 2026
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4

4 filing

Filing date
17 Feb 2026
Reporting date
12 Feb 2026
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4

4 filing

Filing date
17 Feb 2026
Reporting date
12 Feb 2026
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4

4 filing

Filing date
17 Feb 2026
Reporting date
12 Feb 2026
SEC evidence
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8-K File 001-41642

KNIFE RIVER CORPORATION 8-K

Filing date
17 Feb 2026
Reporting date
17 Feb 2026
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SCHEDULE 13G/A File 005-94109

SCHEDULE 13G/A filing

Filing date
14 Nov 2025
Reporting date
Not listed
SEC evidence
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10-Q File 001-41642

KNIFE RIVER FORM 10-Q 09-30-2025

Filing date
05 Nov 2025
Reporting date
30 Sep 2025
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8-K File 001-41642

KNIFE RIVER CORPORATION FORM 8-K

Filing date
04 Nov 2025
Reporting date
04 Nov 2025
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SCHEDULE 13G File 005-94109

SCHEDULE 13G filing

Filing date
14 Aug 2025
Reporting date
Not listed
SEC evidence
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10-Q File 001-41642

KNIFE RIVER FORM 10-Q 06-30-2025

Filing date
05 Aug 2025
Reporting date
30 Jun 2025
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8-K File 001-41642

KNIFE RIVER CORPORATION FORM 8-K

Filing date
05 Aug 2025
Reporting date
05 Aug 2025
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11-K File 001-41642

KNIFE RIVER CORPORATION FORM 11-K

Filing date
12 Jun 2025
Reporting date
31 Dec 2024
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4

4 filing

Filing date
27 May 2025
Reporting date
22 May 2025
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4

4 filing

Filing date
27 May 2025
Reporting date
22 May 2025
SEC evidence
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