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| Filed | Form | What it is | Period | Document |
|---|---|---|---|---|
| Aug 14 | SCHEDULE 13G/A | — | open on EDGAR ↗ | |
| Aug 12 | SCHEDULE 13G | — | open on EDGAR ↗ | |
| Aug 4 | 10-Q | Quarterly report | Jun 30 | open on EDGAR ↗ |
| Aug 4 | 8-K | Current report · Results announced, Regulation FD, Exhibits | Aug 4 | open on EDGAR ↗ |
| Jul 31 | SCHEDULE 13G | — | open on EDGAR ↗ | |
| Jul 1 | 4 | Insider transaction | Jun 30 | open on EDGAR ↗ |
| Jun 17 | 11-K | KNIFE RIVER CORPORATION FORM 11-K | Dec 31 | open on EDGAR ↗ |
| May 21 | 4 | Insider transaction | May 20 | open on EDGAR ↗ |
| May 21 | 4 | Insider transaction | May 20 | open on EDGAR ↗ |
| May 21 | 4 | Insider transaction | May 20 | open on EDGAR ↗ |
| May 21 | 4 | Insider transaction | May 20 | open on EDGAR ↗ |
| May 21 | 4 | Insider transaction | May 20 | open on EDGAR ↗ |
| May 21 | 4 | Insider transaction | May 20 | open on EDGAR ↗ |
| May 21 | 3 | Initial insider holding | May 21 | open on EDGAR ↗ |
| May 21 | 8-K | Current report · Officer or director change, Shareholder vote, Exhibits | May 20 | open on EDGAR ↗ |
| May 18 | 8-K | Current report · Material agreement, New debt, Exhibits | May 15 | open on EDGAR ↗ |
| May 15 | SCHEDULE 13G/A | — | open on EDGAR ↗ | |
| May 5 | 10-Q | Quarterly report | Mar 31 | open on EDGAR ↗ |
| May 5 | 8-K | Current report · Results announced, Regulation FD, Exhibits | May 5 | open on EDGAR ↗ |
| Apr 30 | SCHEDULE 13G | — | open on EDGAR ↗ | |
| Apr 6 | ARS | KRC 2025 ANNUAL REPORT | Dec 31 | open on EDGAR ↗ |
| Apr 6 | DEFA14A | DEFA14A | — | open on EDGAR ↗ |
| Apr 6 | DEF 14A | Proxy statement | May 20 | open on EDGAR ↗ |
| Apr 1 | 4 | Insider transaction | Mar 31 | open on EDGAR ↗ |
| Mar 27 | SCHEDULE 13G/A | — | open on EDGAR ↗ | |
| Mar 9 | 4 | Insider transaction | Mar 6 | open on EDGAR ↗ |
| Mar 5 | 4 | Insider transaction | Mar 4 | open on EDGAR ↗ |
| Mar 5 | 4 | Insider transaction | Mar 4 | open on EDGAR ↗ |
| Mar 5 | 4 | Insider transaction | Mar 4 | open on EDGAR ↗ |
| Mar 5 | 4 | Insider transaction | Mar 4 | open on EDGAR ↗ |
| Mar 5 | 4 | Insider transaction | Mar 4 | open on EDGAR ↗ |
| Mar 5 | 4 | Insider transaction | Mar 4 | open on EDGAR ↗ |
| Feb 20 | 10-K | Annual report | Dec 31 | open on EDGAR ↗ |
| Feb 17 | 4 | Insider transaction | Feb 12 | open on EDGAR ↗ |
| Feb 17 | 4 | Insider transaction | Feb 12 | open on EDGAR ↗ |
| Feb 17 | 4 | Insider transaction | Feb 12 | open on EDGAR ↗ |
| Feb 17 | 4 | Insider transaction | Feb 12 | open on EDGAR ↗ |
| Feb 17 | 4 | Insider transaction | Feb 12 | open on EDGAR ↗ |
| Feb 17 | 4 | Insider transaction | Feb 12 | open on EDGAR ↗ |
| Feb 17 | 8-K | Current report · Results announced, Regulation FD, Exhibits | Feb 17 | open on EDGAR ↗ |
Straight from the SEC's filing index, cached for six hours. Full history on EDGAR ↗