Knife River Corp — All Filings
162 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | KNIFE RIVER CORPORATION 8-K | 0001955520-25-000006 | Feb 13, 2025 | — |
| 8-K | 8-K | 0001955520-25-000003 | Jan 17, 2025 | — |
| 4 | — | 0001225208-25-000018 | Jan 2, 2025 | Dec 31, 2024 |
| 8-K | 8-K | 0001955520-24-000054 | Dec 26, 2024 | Dec 20, 2024 |
| 10-Q | KNIFE RIVER FORM 10-Q 09-30-2024 | 0001955520-24-000051 | Nov 4, 2024 | Sep 30, 2024 |
| 8-K | KNIFE RIVER CORPORATION FORM 8-K | 0001955520-24-000049 | Nov 4, 2024 | — |
| 4 | — | 0001225208-24-008945 | Oct 1, 2024 | Sep 30, 2024 |
| 8-K | 8-K | 0001955520-24-000045 | Aug 21, 2024 | Aug 20, 2024 |
| 10-Q | KNIFE RIVER FORM 10-Q 06-30-2024 | 0001955520-24-000040 | Aug 6, 2024 | Jun 30, 2024 |
| 8-K | KNIFE RIVER CORPORATION FORM 8-K | 0001955520-24-000037 | Aug 6, 2024 | — |
| 4 | — | 0001225208-24-007033 | Jun 28, 2024 | Jun 27, 2024 |
| 4 | — | 0001225208-24-007022 | Jun 28, 2024 | — |
| 3 | — | 0001225208-24-007011 | Jun 27, 2024 | — |
| 8-K | 8-K | 0001955520-24-000034 | Jun 27, 2024 | — |
| 11-K | KNIFE RIVER CORPORATION FORM 11-K | 0001955520-24-000032 | Jun 11, 2024 | Dec 31, 2023 |
| 8-K | 8-K | 0001955520-24-000028 | May 17, 2024 | May 14, 2024 |
| 4 | — | 0001225208-24-006122 | May 16, 2024 | May 15, 2024 |
| 4 | — | 0001225208-24-006121 | May 16, 2024 | May 15, 2024 |
| 4 | — | 0001225208-24-006120 | May 16, 2024 | May 15, 2024 |
| 4 | — | 0001225208-24-006118 | May 16, 2024 | May 15, 2024 |
| 4 | — | 0001225208-24-006117 | May 16, 2024 | May 15, 2024 |
| 3 | — | 0001225208-24-006069 | May 15, 2024 | May 14, 2024 |
| 10-Q | KNIFE RIVER FORM 10-Q 03-31-2024 | 0001955520-24-000026 | May 7, 2024 | Mar 31, 2024 |
| 8-K | KNIFE RIVER CORPORATION FORM 8-K | 0001955520-24-000022 | May 7, 2024 | — |
| 4 | — | 0001225208-24-004689 | Apr 1, 2024 | Mar 29, 2024 |
| ARS | KRC 2023 ANNUAL REPORT | 0001955520-24-000018 | Mar 29, 2024 | Dec 31, 2023 |
| DEFA14A | DEFA14A | 0001955520-24-000017 | Mar 29, 2024 | — |
| DEF 14A | DEF 14A | 0001955520-24-000016 | Mar 29, 2024 | May 14, 2024 |
| 4 | — | 0001225208-24-003499 | Mar 4, 2024 | Feb 29, 2024 |
| 10-K | KNIFE RIVER FORM 10-K 2023 | 0001955520-24-000007 | Feb 27, 2024 | Dec 31, 2023 |
| 4 | — | 0001225208-24-002960 | Feb 26, 2024 | Feb 22, 2024 |
| 4 | — | 0001225208-24-002959 | Feb 26, 2024 | Feb 22, 2024 |
| 4 | — | 0001225208-24-002957 | Feb 26, 2024 | Feb 22, 2024 |
| 4 | — | 0001225208-24-002956 | Feb 26, 2024 | Feb 22, 2024 |
| 4 | — | 0001225208-24-002955 | Feb 26, 2024 | Feb 22, 2024 |
| 4 | — | 0001225208-24-002953 | Feb 26, 2024 | Feb 22, 2024 |
| 4 | — | 0001225208-24-002952 | Feb 26, 2024 | Feb 22, 2024 |
| 8-K | KNIFE RIVER CORPORATION FORM 8-K | 0001955520-24-000003 | Feb 15, 2024 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-24-021296 | Feb 13, 2024 | — |
| SC 13G/A | — | 0001086364-24-001753 | Jan 23, 2024 | — |
| SC 13G | SCHEDULE 13G | 0001104659-23-124701 | Dec 8, 2023 | — |
| 4 | — | 0001225208-23-010263 | Nov 16, 2023 | Nov 15, 2023 |
| 4 | — | 0001225208-23-010262 | Nov 16, 2023 | Nov 15, 2023 |
| 4 | — | 0001225208-23-010261 | Nov 16, 2023 | Nov 15, 2023 |
| 4 | — | 0001225208-23-010260 | Nov 16, 2023 | Nov 15, 2023 |
| 4 | — | 0001225208-23-010259 | Nov 16, 2023 | Nov 15, 2023 |
| 424B4 | 424B4 | 0001628280-23-037516 | Nov 8, 2023 | — |
| 424B3 | 424B3 | 0001628280-23-037044 | Nov 6, 2023 | — |
| 424B4 | 424B4 | 0001628280-23-037041 | Nov 6, 2023 | — |
| 424B3 | 424B3 | 0001628280-23-036885 | Nov 6, 2023 | — |