Knife River Corp SEC filings KNF
Knife River Corp has 191 filings in SEC EDGAR's recent list, going back to Dec 14, 2022. Its latest annual report, Form ARS, was filed on Apr 6, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 3, 2026 | Nov 3, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 23, 2026 | Sep 23, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 4, 2026 | Aug 4, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 21, 2026 | May 20, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
May 18, 2026 | May 15, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 5, 2026 | May 5, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 17, 2026 | Feb 17, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 4, 2025 | Nov 4, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 5, 2025 | Aug 5, 2025 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Shareholder vote results
|
May 28, 2025 | May 22, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 6, 2025 | May 6, 2025 |
| 8-K |
Current report
Other events
|
Mar 28, 2025 | Mar 28, 2025 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Mar 10, 2025 | Mar 7, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 13, 2025 | Feb 13, 2025 |
| 8-K |
Current report
Officer or director change
|
Jan 17, 2025 | Jan 17, 2025 |
| 8-K |
Current report
Material agreement
|
Dec 26, 2024 | Dec 20, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 4, 2024 | Nov 4, 2024 |
| 8-K |
Current report
Officer or director change
|
Aug 21, 2024 | Aug 20, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 6, 2024 | Aug 6, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 27, 2024 | Jun 27, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 17, 2024 | May 14, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 7, 2024 | May 7, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 15, 2024 | Feb 15, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 6, 2023 | Nov 6, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 8, 2023 | Aug 8, 2023 |
| 8-K |
Current report
Material agreement, New debt, Change to shareholder rights, Change in control, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure, Other events
|
Jun 1, 2023 | May 30, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
May 18, 2023 | May 18, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
May 12, 2023 | May 10, 2023 |
Showing 28 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Mining & Quarrying of Nonmetallic Minerals (No Fuels) (SIC 1400)
- Listed as
- KNF (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Bismarck, ND
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1955520
- Former names
- Knife River Holding Co (until Jun 1, 2023)
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All 37 Mining & Quarrying of Nonmetallic Minerals (No Fuels) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.