In the last 12 months, insiders at Knife River Corp ($KNF) filed 62 transactions with the SEC: 1 open-market purchases totaling $74 and 0 sales totaling $0. Net insider sentiment: net buying.
Knife River Corp operates in the Mining & quarrying of nonmetallic minerals (no fuels) industry (Energy & transportation sector).
Most Active Insiders
- Gray Brian R. (President & CEO) — 6 transactions totaling $2,423,174
- Liepitz Karl A (VP, Chief Legal Officer & Sec.) — 6 transactions totaling $1,758,240
- Hastings Trevor J (Vice President & COO) — 7 transactions totaling $1,229,733
- Ring Nathan W (Vice President & CFO) — 7 transactions totaling $781,786
- Pladsen Glenn R. (VP & Chief Excellence Officer) — 5 transactions totaling $363,851
View all SEC Filings for Knife River Corp (KNF).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| March 31, 2026 | Fagg Karen B | Director | A | Phantom Stock | 222 | $79.51 | 1,061.6590 | 57,095,301 | 26.39% | 0.00% |
| March 6, 2026 | Gray Brian R. | President & CEO | A | Common Stock | 20955 | $0.00 | 84,747.0000 | 57,095,301 | 32.85% | 0.04% |
| March 4, 2026 | Kadrmas Marney L. | VP & Chief Accounting Officer | A | Common Stock | 1199 | $0.00 | 4,917.0000 | 57,095,301 | 32.25% | 0.00% |
| March 4, 2026 | Hastings Trevor J | Vice President & COO | A | Common Stock | 6130 | $0.00 | 46,760.0000 | 57,095,301 | 15.09% | 0.01% |
| March 4, 2026 | Ring Nathan W | Vice President & CFO | A | Common Stock | 5211 | $0.00 | 30,530.0000 | 57,095,301 | 20.58% | 0.01% |
| March 4, 2026 | Liepitz Karl A | VP, Chief Legal Officer & Sec. | A | Common Stock | 4611 | $0.00 | 44,312.0000 | 57,095,301 | 11.61% | 0.01% |
| March 4, 2026 | LaChapelle Sarah L. | VP & Chief People Officer | A | Common Stock | 2713 | $0.00 | 4,585.7142 | 57,095,301 | 144.87% | 0.00% |
| March 4, 2026 | Pladsen Glenn R. | VP & Chief Excellence Officer | A | Common Stock | 2950 | $0.00 | 22,094.0000 | 57,095,301 | 15.41% | 0.01% |
| Feb. 12, 2026 | Liepitz Karl A | VP, Chief Legal Officer & Sec. | F | Common Stock | 8648 | $81.74 | 39,701.0000 | 57,095,301 | 17.89% | 0.02% |
| Feb. 12, 2026 | Pladsen Glenn R. | VP & Chief Excellence Officer | F | Common Stock | 1569 | $81.74 | 19,144.0000 | 57,095,301 | 7.57% | 0.00% |
| Feb. 12, 2026 | Pladsen Glenn R. | VP & Chief Excellence Officer | F | Common Stock | 1385 | $81.74 | 20,713.0000 | 57,095,301 | 6.27% | 0.00% |
| Feb. 12, 2026 | Kadrmas Marney L. | VP & Chief Accounting Officer | F | Common Stock | 1232 | $81.74 | 3,718.0000 | 57,095,301 | 24.89% | 0.00% |
| Feb. 12, 2026 | Ring Nathan W | Vice President & CFO | F | Common Stock | 1922 | $81.74 | 29,655.0000 | 57,095,301 | 6.09% | 0.00% |
| Feb. 12, 2026 | Hastings Trevor J | Vice President & COO | F | Common Stock | 4599 | $81.74 | 40,630.0000 | 57,095,301 | 10.17% | 0.01% |
| Feb. 12, 2026 | Hastings Trevor J | Vice President & COO | F | Common Stock | 2880 | $81.74 | 45,229.0000 | 57,095,301 | 5.99% | 0.01% |
| Feb. 12, 2026 | Gray Brian R. | President & CEO | F | Common Stock | 19572 | $81.74 | 63,792.0000 | 57,095,301 | 23.48% | 0.03% |
| Feb. 12, 2026 | Gray Brian R. | President & CEO | F | Common Stock | 10072 | $81.74 | 83,364.0000 | 57,095,301 | 10.78% | 0.02% |
| Feb. 12, 2026 | Ring Nathan W | Vice President & CFO | F | Common Stock | 4336 | $81.74 | 25,319.0000 | 57,095,301 | 14.62% | 0.01% |
| May 22, 2025 | MOSS PATRICIA L | Director | A | Common Stock | 1551 | $0.00 | 29,834.0000 | 57,083,497 | 5.48% | 0.00% |
| May 22, 2025 | Hill Thomas W. | Director | A | Common Stock | 1551 | $0.00 | 3,456.0000 | 57,083,497 | 81.42% | 0.00% |
| May 22, 2025 | Fagg Karen B | Director | A | Common Stock | 1810 | $0.00 | 30,937.0000 | 57,083,497 | 6.21% | 0.00% |
| May 22, 2025 | SANDBROOK WILLIAM J | Director | A | Common Stock | 1551 | $0.00 | 5,695.0000 | 57,083,497 | 37.43% | 0.00% |
| May 22, 2025 | Chiodo Patricia | Director | A | Common Stock | 1551 | $0.00 | 3,513.0000 | 57,083,497 | 79.05% | 0.00% |
| May 22, 2025 | Carmona-Alvarez German | Director | A | Common Stock | 1551 | $0.00 | 6,985.0000 | 57,083,497 | 28.54% | 0.00% |
| Feb. 27, 2025 | Ring Nathan W | Vice President & CFO | F | Common Stock | 1698 | $94.73 | 31,577.0000 | 57,043,841 | 5.10% | 0.00% |
| Feb. 28, 2025 | Gray Brian R. | President & CEO | A | Common Stock | 12599 | $0.00 | 93,436.0000 | 57,043,841 | 15.59% | 0.02% |
| Feb. 27, 2025 | Hastings Trevor J | Vice President & COO | A | Common Stock | 3114 | $0.00 | 52,125.0000 | 57,043,841 | 6.35% | 0.01% |
| Feb. 27, 2025 | Hastings Trevor J | Vice President & COO | F | Common Stock | 4016 | $94.73 | 48,109.0000 | 57,043,841 | 7.70% | 0.01% |
| Feb. 27, 2025 | Liepitz Karl A | VP, Chief Legal Officer & Sec. | A | Common Stock | 2770 | $0.00 | 55,432.0000 | 57,043,841 | 5.26% | 0.00% |
| Feb. 27, 2025 | Liepitz Karl A | VP, Chief Legal Officer & Sec. | F | Common Stock | 7083 | $94.73 | 48,349.0000 | 57,043,841 | 12.78% | 0.01% |
| Feb. 27, 2025 | Pladsen Glenn R. | VP & Chief Excellence Officer | A | Common Stock | 1786 | $0.00 | 23,390.0000 | 57,043,841 | 8.27% | 0.00% |
| Feb. 27, 2025 | Pladsen Glenn R. | VP & Chief Excellence Officer | F | Common Stock | 1292 | $94.73 | 22,098.0000 | 57,043,841 | 5.52% | 0.00% |
| Feb. 27, 2025 | Ring Nathan W | Vice President & CFO | A | Common Stock | 3114 | $0.00 | 33,275.0000 | 57,043,841 | 10.32% | 0.01% |
| Feb. 27, 2025 | Kadrmas Marney L. | VP & Chief Accounting Officer | A | Common Stock | 709 | $0.00 | 4,950.0000 | 57,043,841 | 16.72% | 0.00% |
| Feb. 27, 2025 | Christenson Nancy K. | VP of Administration | F | Common Stock | 1583 | $94.73 | 25,776.0000 | 57,043,841 | 5.79% | 0.00% |
| Dec. 31, 2024 | Fagg Karen B | Director | A | Phantom Stock | 174 | $101.43 | 839.9830 | 57,043,841 | 26.08% | 0.00% |
| Sept. 30, 2024 | Fagg Karen B | Director | A | Phantom Stock | 198 | $89.22 | 666.2180 | 57,043,841 | 42.15% | 0.00% |
| June 27, 2024 | Chiodo Patricia | Director | A | Common Stock | 1962 | $0.00 | 1,962.0000 | 57,040,840 | 9999.99% | 0.00% |
| June 28, 2024 | Fagg Karen B | Director | A | Phantom Stock | 250 | $70.48 | 468.6620 | 57,040,840 | 114.40% | 0.00% |
| May 15, 2024 | MOSS PATRICIA L | Director | A | Common Stock | 720 | $77.19 | 28,283.0000 | 57,040,840 | 2.61% | 0.00% |
| May 15, 2024 | Hill Thomas W. | Director | A | Common Stock | 1905 | $0.00 | 1,905.0000 | 57,040,840 | 9999.99% | 0.00% |
| May 15, 2024 | Fagg Karen B | Director | A | Common Stock | 2222 | $0.00 | 28,286.0000 | 57,040,840 | 8.53% | 0.00% |
| May 15, 2024 | Fagg Karen B | Director | A | Common Stock | 841 | $77.19 | 29,127.0000 | 57,040,840 | 2.97% | 0.00% |
| May 15, 2024 | Carmona-Alvarez German | Director | A | Common Stock | 720 | $77.19 | 5,434.0000 | 57,040,840 | 15.27% | 0.00% |
| May 15, 2024 | Carmona-Alvarez German | Director | A | Common Stock | 1905 | $0.00 | 4,714.0000 | 57,040,840 | 67.82% | 0.00% |
| May 15, 2024 | SANDBROOK WILLIAM J | Director | A | Common Stock | 1905 | $0.00 | 3,424.0000 | 57,040,840 | 125.41% | 0.00% |
| May 15, 2024 | SANDBROOK WILLIAM J | Director | A | Common Stock | 720 | $77.19 | 4,144.0000 | 57,040,840 | 21.03% | 0.00% |
| May 15, 2024 | MOSS PATRICIA L | Director | A | Common Stock | 1905 | $0.00 | 27,563.0000 | 57,040,840 | 7.42% | 0.00% |
| March 29, 2024 | Fagg Karen B | Director | A | Phantom Stock | 219 | $80.63 | 218.5910 | 57,009,542 | 9999.99% | 0.00% |
| Feb. 29, 2024 | Gray Brian R. | President & CEO | P | Common Stock - 401(k) | 1 | $73.65 | 8,167.4133 | 57,009,542 | 0.01% | 0.00% |
| Feb. 22, 2024 | Ring Nathan W | Vice President & CFO | A | Common Stock | 4805 | $0.00 | 31,668.0000 | 57,009,542 | 17.89% | 0.01% |
| Feb. 22, 2024 | Ring Nathan W | Vice President & CFO | F | Common Stock | 1508 | $72.55 | 30,160.0000 | 57,009,542 | 4.76% | 0.00% |
| Feb. 22, 2024 | Pladsen Glenn R. | VP of Support Services | A | Common Stock | 2153 | $0.00 | 22,545.0000 | 57,009,542 | 10.56% | 0.00% |
| Feb. 22, 2024 | Christenson Nancy K. | VP of Administration | F | Common Stock | 1380 | $72.55 | 27,359.0000 | 57,009,542 | 4.80% | 0.00% |
| Feb. 22, 2024 | Christenson Nancy K. | VP of Administration | A | Common Stock | 2153 | $0.00 | 28,739.0000 | 57,009,542 | 8.10% | 0.00% |
| Feb. 22, 2024 | Hastings Trevor J | Vice President & COO | F | Common Stock | 3280 | $72.55 | 49,010.0000 | 57,009,542 | 6.27% | 0.01% |
| Feb. 22, 2024 | Hastings Trevor J | Vice President & COO | A | Common Stock | 4805 | $0.00 | 52,290.0000 | 57,009,542 | 10.12% | 0.01% |
| Feb. 22, 2024 | Gray Brian R. | President & CEO | A | Common Stock | 17769 | $0.00 | 80,837.0000 | 57,009,542 | 28.17% | 0.03% |
| Feb. 22, 2024 | Kadrmas Marney L. | Chief Accounting Officer | A | Common Stock | 1050 | $0.00 | 4,241.0000 | 57,009,542 | 32.91% | 0.00% |
| Feb. 22, 2024 | Liepitz Karl A | VP, Chief Legal Officer & Sec. | F | Common Stock | 5243 | $72.55 | 52,661.0000 | 57,009,542 | 9.05% | 0.01% |
| Feb. 22, 2024 | Pladsen Glenn R. | VP of Support Services | F | Common Stock | 941 | $72.55 | 21,604.0000 | 57,009,542 | 4.17% | 0.00% |
| Feb. 22, 2024 | Liepitz Karl A | VP, Chief Legal Officer & Sec. | A | Common Stock | 4348 | $0.00 | 57,904.0000 | 57,009,542 | 8.12% | 0.01% |