Knife River Corp (KNF) · Insider trading
What Knife River's directors, officers and largest holders bought and sold themselves, from the Form 4 each of them files with the SEC within two business days of a trade. Open-market purchases and sales first: those are the trades somebody chose to make at the market price.
Bought, 12 months
$0
0 insiders, 0 trades
Sold, 12 months
$0
0 insiders
Net, 12 months
$0
bought less sold
Latest filing
2026-05-21
filings read to 2026-10-19
No director, officer or large holder of Knife River reported buying or selling at the market price in the last two years. What they did report is below.
Grants, exercises and other transactions
Pay, tax and paperwork rather than a choice to trade at the market price. Two years.
25 × grant or award15 × shares withheld for tax
Show them
| Date | Insider | What | Shares | Price | Holds after | Filing |
|---|---|---|---|---|---|---|
| 2026-05-20 | Carmona-Alvarez GermanDirector | Grant or award A | +2,040 | – | 9,025 | Form 4 |
| 2026-05-20 | Chiodo PatriciaDirector | Grant or award A | +2,040 | – | 5,553 | Form 4 |
| 2026-05-20 | Fagg Karen BDirector | Grant or award A | +2,380 | – | 33,317 | Form 4 |
| 2026-05-20 | Hill Thomas W.Director | Grant or award A | +2,040 | – | 5,496 | Form 4 |
| 2026-05-20 | Moss Patricia LDirector | Grant or award A | +2,040 | – | 31,874 | Form 4 |
| 2026-05-20 | Sandbrook William JDirector | Grant or award A | +2,040 | – | 7,735 | Form 4 |
| 2026-03-06 | Gray Brian R.Director, President & CEO | Grant or award A | +20,955 | – | 84,747 | Form 4 |
| 2026-03-04 | Hastings Trevor JVice President & COO | Grant or award A | +6,130 | – | 46,760 | Form 4 |
| 2026-03-04 | Ring Nathan WVice President & CFO | Grant or award A | +5,211 | – | 30,530 | Form 4 |
| 2026-03-04 | Liepitz Karl AVP, Chief Legal Officer & Sec. | Grant or award A | +4,611 | – | 44,312 | Form 4 |
| 2026-03-04 | LaChapelle Sarah L.VP & Chief People Officer | Grant or award A | +2,713 | – | 4,578 | Form 4 |
| 2026-03-04 | Pladsen Glenn R.VP & Chief Excellence Officer | Grant or award A | +2,950 | – | 22,094 | Form 4 |
| 2026-03-04 | Kadrmas Marney L.VP & Chief Accounting Officer | Grant or award A | +1,199 | – | 4,917 | Form 4 |
| 2026-02-12 | Kadrmas Marney L.VP & Chief Accounting Officer | Shares withheld for tax F | −1,232 | 81.74 | 3,718 | Form 4 |
| 2026-02-12 | Ring Nathan WVice President & CFO | Shares withheld for tax F | −1,922 | 81.74 | 29,655 | Form 4 |
| 2026-02-12 | Ring Nathan WVice President & CFO | Shares withheld for tax F | −4,336 | 81.74 | 25,319 | Form 4 |
| 2026-02-12 | Hastings Trevor JVice President & COO | Shares withheld for tax F | −2,880 | 81.74 | 45,229 | Form 4 |
| 2026-02-12 | Hastings Trevor JVice President & COO | Shares withheld for tax F | −4,599 | 81.74 | 40,630 | Form 4 |
| 2026-02-12 | Gray Brian R.Director, President & CEO | Shares withheld for tax F | −10,072 | 81.74 | 83,364 | Form 4 |
| 2026-02-12 | Gray Brian R.Director, President & CEO | Shares withheld for tax F | −19,572 | 81.74 | 63,792 | Form 4 |
| 2026-02-12 | Liepitz Karl AVP, Chief Legal Officer & Sec. | Shares withheld for tax F | −8,648 | 81.74 | 39,701 | Form 4 |
| 2026-02-12 | Pladsen Glenn R.VP & Chief Excellence Officer | Shares withheld for tax F | −1,385 | 81.74 | 20,713 | Form 4 |
| 2026-02-12 | Pladsen Glenn R.VP & Chief Excellence Officer | Shares withheld for tax F | −1,569 | 81.74 | 19,144 | Form 4 |
| 2025-05-22 | Carmona-Alvarez GermanDirector | Grant or award A | +1,551 | – | 6,985 | Form 4 |
| 2025-05-22 | Chiodo PatriciaDirector | Grant or award A | +1,551 | – | 3,513 | Form 4 |
| 2025-05-22 | Fagg Karen BDirector | Grant or award A | +1,810 | – | 30,937 | Form 4 |
| 2025-05-22 | Hill Thomas W.Director | Grant or award A | +1,551 | – | 3,456 | Form 4 |
| 2025-05-22 | Moss Patricia LDirector | Grant or award A | +1,551 | – | 29,834 | Form 4 |
| 2025-05-22 | Sandbrook William JDirector | Grant or award A | +1,551 | – | 5,695 | Form 4 |
| 2025-02-28 | Gray Brian R.Director, President & CEO | Grant or award A | +12,599 | – | 93,436 | Form 4 |
| 2025-02-27 | Christenson Nancy K.VP of Administration | Shares withheld for tax F | −1,583 | 94.73 | 25,776 | Form 4 |
| 2025-02-27 | Kadrmas Marney L.VP & Chief Accounting Officer | Grant or award A | +709 | – | 4,950 | Form 4 |
| 2025-02-27 | Ring Nathan WVice President & CFO | Grant or award A | +3,114 | – | 33,275 | Form 4 |
| 2025-02-27 | Ring Nathan WVice President & CFO | Shares withheld for tax F | −1,698 | 94.73 | 31,577 | Form 4 |
| 2025-02-27 | Pladsen Glenn R.VP & Chief Excellence Officer | Grant or award A | +1,786 | – | 23,390 | Form 4 |
| 2025-02-27 | Pladsen Glenn R.VP & Chief Excellence Officer | Shares withheld for tax F | −1,292 | 94.73 | 22,098 | Form 4 |
| 2025-02-27 | Liepitz Karl AVP, Chief Legal Officer & Sec. | Grant or award A | +2,770 | – | 55,432 | Form 4 |
| 2025-02-27 | Liepitz Karl AVP, Chief Legal Officer & Sec. | Shares withheld for tax F | −7,083 | 94.73 | 48,349 | Form 4 |
| 2025-02-27 | Hastings Trevor JVice President & COO | Grant or award A | +3,114 | – | 52,125 | Form 4 |
| 2025-02-27 | Hastings Trevor JVice President & COO | Shares withheld for tax F | −4,016 | 94.73 | 48,109 | Form 4 |
How to read it
- Buy, sale
- Code P and S on the form: shares bought or sold in the market, at the market price. The other codes are mostly pay (a grant, an option exercised) or tax (shares the company withheld), and say little about what the insider thinks of the price.
- Plan
- A sale or purchase under a Rule 10b5-1 plan, set up in advance and running on its own schedule. Since April 2023 the form has a box for it. Much executive selling is planned and says more about diversifying than about the company.
- Holds after
- The shares the insider still held after the trade, in the form the trade was in (directly, or indirectly through a trust or a fund).
- Value
- Shares times the price the form reports, which is often an average over several fills on the day.
Read from the SEC's own quarterly data sets of Forms 3, 4 and 5, and from each day's filings since the last one. A correcting amendment replaces the lines it restates. Every row links to its filing. None of this is advice: insiders sell for many reasons, and buy for fewer.