Knife River Corp (KNF)

Latest Insider Confidence Score

2026Q1

41.4
Bearish

Company insider confidence (by quarter)

2023Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Moss Patricia L — 29,834 May 27, 2025
Christenson Nancy K. VP of Administration 20,679.99 Jul 28, 2023
Carmona-Alvarez German — 6,985 May 27, 2025
Sandbrook William J — 5,695 May 27, 2025
Stevens Sarah L. — 3,746.74 Apr 25, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 4, 2026 Mar 5, 2026 Kadrmas Marney L. VP & Chief Accounting Officer Neutral 90.0 +1,199 19.41% ✗ -
Mar 4, 2026 Mar 5, 2026 Pladsen Glenn R. VP & Chief Excellence Officer Neutral 90.0 +2,950 13.04% ✗ -
Mar 4, 2026 Mar 5, 2026 LaChapelle Sarah L. VP & Chief People Officer Neutral 90.0 +2,713 71.95% ✗ -
Mar 4, 2026 Mar 5, 2026 Liepitz Karl A VP, Chief Legal Officer & Sec. Neutral 90.0 +4,611 11.08% ✗ -
Mar 4, 2026 Mar 5, 2026 Ring Nathan W CFO Neutral 90.0 +5,211 18.80% ✗ -
Mar 4, 2026 Mar 5, 2026 Hastings Trevor J COO Neutral 90.0 +6,130 14.56% ✗ -
Feb 12, 2026 Feb 17, 2026 Pladsen Glenn R. VP & Chief Excellence Officer Sell 42.5 -2,954 -11.55% ✗ $241.5K
Feb 12, 2026 Feb 17, 2026 Liepitz Karl A VP, Chief Legal Officer & Sec. Sell 40.0 -8,648 -17.21% ✗ $706.9K
Feb 12, 2026 Feb 17, 2026 Gray Brian R. CEO Sell 37.5 -29,644 -29.18% ✗ $2.4M
Feb 12, 2026 Feb 17, 2026 Hastings Trevor J COO Sell 40.0 -7,479 -15.08% ✗ $611.3K
Feb 12, 2026 Feb 17, 2026 Ring Nathan W CFO Sell 40.0 -6,258 -18.42% ✗ $511.5K
Feb 12, 2026 Feb 17, 2026 Kadrmas Marney L. VP & Chief Accounting Officer Sell 42.5 -1,232 -16.63% ✗ $100.7K
May 22, 2025 May 27, 2025 SANDBROOK WILLIAM J Director Neutral 90.0 +1,551 37.43% ✗ -
May 22, 2025 May 27, 2025 MOSS PATRICIA L Director Neutral 85.0 +1,551 5.48% ✗ -
May 22, 2025 May 27, 2025 Hill Thomas W. Director Neutral 90.0 +1,551 81.42% ✗ -
May 22, 2025 May 27, 2025 Fagg Karen B Director Neutral 85.0 +1,810 6.21% ✗ -
May 22, 2025 May 27, 2025 Chiodo Patricia Director Neutral 90.0 +1,551 79.05% ✗ -
May 22, 2025 May 27, 2025 Carmona-Alvarez German Director Neutral 90.0 +1,551 28.54% ✗ -
Apr 25, 2025 Stevens Sarah L. VP & Chief People Officer Neutral 52.5 - 0.00% ✗ -
Feb 28, 2025 Mar 3, 2025 Gray Brian R. CEO Neutral 90.0 +12,599 14.16% ✗ -
Feb 27, 2025 Mar 3, 2025 Hastings Trevor J COO Sell 40.0 -902 -1.79% ✗ $380.4K
Feb 27, 2025 Mar 3, 2025 Liepitz Karl A VP, Chief Legal Officer & Sec. Sell 40.0 -4,313 -7.91% ✗ $671K
Feb 27, 2025 Mar 3, 2025 Pladsen Glenn R. VP & Chief Excellence Officer Sell 82.5 +494 1.98% ✗ $122.4K
Feb 27, 2025 Mar 3, 2025 Ring Nathan W CFO Sell 87.5 +1,416 4.35% ✗ $160.9K
Feb 27, 2025 Mar 3, 2025 Kadrmas Marney L. VP & Chief Accounting Officer Neutral 90.0 +709 11.72% ✗ -
Feb 27, 2025 Mar 3, 2025 Christenson Nancy K. VP of Administration Sell 42.5 -1,583 -3.25% ✗ $150K
Dec 31, 2024 Jan 2, 2025 Fagg Karen B Director Neutral 52.5 - 0.00% ✗ -
Sep 30, 2024 Oct 1, 2024 Fagg Karen B Director Neutral 52.5 - 0.00% ✗ -
Jun 27, 2024 Jun 28, 2024 Chiodo Patricia Director Neutral 90.0 +1,962 100.00% ✗ -
Jun 28, 2024 Jun 28, 2024 Fagg Karen B Director Neutral 52.5 - 0.00% ✗ -
Jun 27, 2024 Chiodo Patricia Director Neutral 52.5 - 0.00% ✗ -
May 15, 2024 May 16, 2024 SANDBROOK WILLIAM J Director Neutral 90.0 +2,625 172.81% ✗ -
May 15, 2024 May 16, 2024 MOSS PATRICIA L Director Neutral 90.0 +2,625 10.23% ✗ -
May 15, 2024 May 16, 2024 Hill Thomas W. Director Neutral 90.0 +1,905 100.00% ✗ -
May 15, 2024 May 16, 2024 Fagg Karen B Director Neutral 90.0 +3,063 11.75% ✗ -
May 15, 2024 May 16, 2024 Carmona-Alvarez German Director Neutral 90.0 +2,625 93.45% ✗ -
May 15, 2024 Hill Thomas W. Director Neutral 52.5 - 0.00% ✗ -
Mar 29, 2024 Apr 1, 2024 Fagg Karen B Director Neutral 52.5 - 0.00% ✗ -
Feb 29, 2024 Mar 4, 2024 Gray Brian R. CEO Buy 47.5 +1 0.00% ✗ $73.7
Feb 22, 2024 Feb 26, 2024 Ring Nathan W CFO Sell 95.0 +3,297 11.27% ✗ $109.4K
Feb 22, 2024 Feb 26, 2024 Pladsen Glenn R. VP of Support Services Sell 90.0 +1,212 5.14% ✗ $68.3K
Feb 22, 2024 Feb 26, 2024 Liepitz Karl A VP, Chief Legal Officer & Sec. Sell 40.0 -895 -1.61% ✗ $380.4K
Feb 22, 2024 Feb 26, 2024 Kadrmas Marney L. Chief Accounting Officer Neutral 90.0 +1,050 24.47% ✗ -
Feb 22, 2024 Feb 26, 2024 Gray Brian R. CEO Neutral 90.0 +17,769 25.02% ✗ -
Feb 22, 2024 Feb 26, 2024 Hastings Trevor J COO Sell 87.5 +1,525 3.11% ✗ $238K
Feb 22, 2024 Feb 26, 2024 Christenson Nancy K. VP of Administration Sell 82.5 +773 1.61% ✗ $100.1K
Nov 15, 2023 Nov 16, 2023 SANDBROOK WILLIAM J Director Neutral 90.0 +1,519 100.00% ✗ -
Nov 15, 2023 Nov 16, 2023 MOSS PATRICIA L Director Neutral 90.0 +2,605 11.30% ✗ -
Nov 15, 2023 Nov 16, 2023 Fagg Karen B Director Neutral 90.0 +2,858 12.32% ✗ -
Nov 15, 2023 Nov 16, 2023 EVERIST THOMAS S Director Neutral 77.5 +2,605 1.56% ✗ -
Nov 15, 2023 Nov 16, 2023 Carmona-Alvarez German Director Neutral 90.0 +2,605 1276.96% ✗ -
Nov 10, 2023 Nov 13, 2023 MDU RESOURCES GROUP INC 10% Owner Neutral 27.5 -5,656,621 -100.00% ✗ -
Jul 28, 2023 Ring Nathan W CFO Neutral 52.5 - 0.00% ✗ -
Jul 28, 2023 Pladsen Glenn R. VP of Support Services Neutral 52.5 - 0.00% ✗ -
Jul 28, 2023 Kadrmas Marney L. Chief Accounting Officer Neutral 52.5 - 0.00% ✗ -
Jul 28, 2023 Hastings Trevor J COO Neutral 52.5 - 0.00% ✗ -
Jul 28, 2023 Christenson Nancy K. VP of Administration Neutral 52.5 - 0.00% ✗ -
Jul 12, 2023 Jul 13, 2023 Ring Nathan W CFO Neutral 90.0 +10,983 52.62% ✗ -
Jul 12, 2023 Jul 13, 2023 Pladsen Glenn R. VP of Support Services Neutral 90.0 +4,398 19.63% ✗ -
Jul 12, 2023 Jul 13, 2023 Kadrmas Marney L. Chief Accounting Officer Neutral 90.0 +3,191 184.78% ✗ -
Jul 12, 2023 Jul 13, 2023 Hastings Trevor J COO Neutral 90.0 +7,236 16.70% ✗ -
Jul 12, 2023 Jul 13, 2023 Gray Brian R. CEO Neutral 90.0 +41,696 142.57% ✗ -
Jul 12, 2023 Jul 13, 2023 Christenson Nancy K. VP of Administration Neutral 85.0 +4,146 6.34% ✗ -
May 31, 2023 Jun 2, 2023 MDU RESOURCES GROUP INC 10% Owner Neutral 27.5 -51,340,729 -90.08% ✗ -
Jun 1, 2023 Quade John F. VP of Business Development Neutral 52.5 - 0.00% ✗ -
Jun 1, 2023 Pladsen Glenn R. VP of Support Services Neutral 52.5 - 0.00% ✗ -
Jun 1, 2023 Kadrmas Marney L. Chief Accounting Officer Neutral 52.5 - 0.00% ✗ -
Jun 1, 2023 Hastings Trevor J COO Neutral 52.5 - 0.00% ✗ -
Jun 1, 2023 SANDBROOK WILLIAM J Director Neutral 52.5 - 0.00% ✗ -
Jun 1, 2023 Fagg Karen B Director Neutral 52.5 - 0.00% ✗ -
Jun 1, 2023 EVERIST THOMAS S Director Neutral 52.5 - 0.00% ✗ -
Jun 1, 2023 Carmona-Alvarez German Director Neutral 52.5 - 0.00% ✗ -
May 22, 2023 MOSS PATRICIA L Director Neutral 52.5 - 0.00% ✗ -
May 10, 2023 Ring Nathan W CFO Neutral 52.5 - 0.00% ✗ -
May 10, 2023 Christenson Nancy K. Treasurer Neutral 52.5 - 0.00% ✗ -
May 10, 2023 Vollmer Jason L Director Neutral 52.5 - 0.00% ✗ -
May 10, 2023 Liepitz Karl A General Counsel & Secretary Neutral 52.5 - 0.00% ✗ -
May 10, 2023 Gray Brian R. CEO Neutral 52.5 - 0.00% ✗ -
May 10, 2023 Goodin David L Chair Neutral 52.5 - 0.00% ✗ -
May 10, 2023 MDU RESOURCES GROUP INC 10% Owner Neutral 52.5 - 0.00% ✗ -