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 |
|---|---|---|---|---|
| 10-Q | KNIFE RIVER FORM 10-Q 09-30-2023 | 0001955520-23-000020 | Nov 6, 2023 | Sep 30, 2023 |
| 8-K | KNIFE RIVER CORPORATION FORM 8-K | 0001955520-23-000019 | Nov 6, 2023 | — |
| EFFECT | — | 9999999995-23-002827 | Sep 28, 2023 | — |
| S-1 | S-1 | 0001628280-23-032983 | Sep 26, 2023 | — |
| DRS | — | 0001628279-23-000409 | Sep 1, 2023 | — |
| 10-Q | KNIFE RIVER FORM 10-Q 06-30-2023 | 0001955520-23-000014 | Aug 8, 2023 | Jun 30, 2023 |
| 8-K | KNIFE RIVER CORPORATION FORM 8-K | 0001955520-23-000010 | Aug 8, 2023 | — |
| 4/A | — | 0001225208-23-007749 | Jul 28, 2023 | Jul 12, 2023 |
| 4/A | — | 0001225208-23-007748 | Jul 28, 2023 | Jul 12, 2023 |
| 4/A | — | 0001225208-23-007747 | Jul 28, 2023 | Jul 12, 2023 |
| 4/A | — | 0001225208-23-007746 | Jul 28, 2023 | Jul 12, 2023 |
| 4/A | — | 0001225208-23-007745 | Jul 28, 2023 | Jul 12, 2023 |
| 4 | — | 0001225208-23-007506 | Jul 13, 2023 | Jul 12, 2023 |
| 4 | — | 0001225208-23-007505 | Jul 13, 2023 | Jul 12, 2023 |
| 4 | — | 0001225208-23-007504 | Jul 13, 2023 | Jul 12, 2023 |
| 4 | — | 0001225208-23-007503 | Jul 13, 2023 | Jul 12, 2023 |
| 4 | — | 0001225208-23-007502 | Jul 13, 2023 | Jul 12, 2023 |
| 4 | — | 0001225208-23-007501 | Jul 13, 2023 | Jul 12, 2023 |
| SC 13G | — | 0001306550-23-009511 | Jul 7, 2023 | — |
| S-8 | S-8 | 0001140361-23-027899 | Jun 2, 2023 | — |
| S-8 | S-8 | 0001140361-23-027898 | Jun 2, 2023 | — |
| 3 | — | 0001225208-23-006457 | Jun 1, 2023 | May 31, 2023 |
| 3 | — | 0001225208-23-006456 | Jun 1, 2023 | May 31, 2023 |
| 3 | — | 0001225208-23-006455 | Jun 1, 2023 | May 31, 2023 |
| 3 | — | 0001225208-23-006454 | Jun 1, 2023 | May 31, 2023 |
| 3 | — | 0001225208-23-006453 | Jun 1, 2023 | May 31, 2023 |
| 3 | — | 0001225208-23-006452 | Jun 1, 2023 | May 31, 2023 |
| 3 | — | 0001225208-23-006451 | Jun 1, 2023 | May 31, 2023 |
| 3 | — | 0001225208-23-006450 | Jun 1, 2023 | May 31, 2023 |
| 8-K | 8-K | 0001140361-23-027662 | Jun 1, 2023 | May 30, 2023 |
| 3 | — | 0001225208-23-006145 | May 22, 2023 | May 21, 2023 |
| 8-K | 8-K | 0001140361-23-025497 | May 18, 2023 | — |
| 10-Q | KNIFE RIVER FORM 10-Q 03-31-2023 | 0001955520-23-000006 | May 16, 2023 | Mar 31, 2023 |
| 8-K | FORM 8-K | 0001140361-23-024280 | May 12, 2023 | May 10, 2023 |
| 3 | — | 0001225208-23-005713 | May 10, 2023 | — |
| 3 | — | 0001225208-23-005707 | May 10, 2023 | — |
| 3 | — | 0001225208-23-005706 | May 10, 2023 | — |
| 3 | — | 0001225208-23-005705 | May 10, 2023 | — |
| 3 | — | 0001225208-23-005704 | May 10, 2023 | — |
| 3 | — | 0001225208-23-005703 | May 10, 2023 | — |
| SEC STAFF ACTION | — | 9999999997-23-002680 | May 10, 2023 | — |
| CERT | NYSE CERTIFICATION | 0000876661-23-000384 | May 9, 2023 | — |
| CORRESP | — | 0001140361-23-023531 | May 8, 2023 | — |
| 10-12B/A | 10-12B/A | 0001140361-23-023310 | May 8, 2023 | — |
| CORRESP | — | 0001140361-23-022745 | May 3, 2023 | — |
| UPLOAD | — | 0000000000-23-004567 | May 3, 2023 | — |
| CORRESP | — | 0001140361-23-021716 | Apr 28, 2023 | — |
| 10-12B/A | 10-12B/A | 0001140361-23-021715 | Apr 28, 2023 | — |
| UPLOAD | — | 0000000000-23-003838 | Apr 17, 2023 | — |
| CORRESP | — | 0001140361-23-017370 | Apr 7, 2023 | — |