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Data

SEC EDGAR Form 4 ↗
CongressStock.com ↗
Track13F.com ↗
About the data

© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Companies/KNIFE RIVER CORP

KNIFE RIVER CORP

36 insider trades tracked

KNF

Insider trades

36

Total bought

$74

Total sold

$5.5M

Unique insiders

14

Recent insider trades

Most recent Form 4 filings for KNIFE RIVER CORP.

Gray Brian R.granted20,955 shares ofKNFat $0Mar 9Details
Kadrmas Marney L.granted1,199 shares ofKNFat $0Mar 5Details
Pladsen Glenn R.granted2,950 shares ofKNFat $0Mar 5Details
LaChapelle Sarah L.granted2,713 shares ofKNF

Insiders at this company

Executives and directors who have filed Form 4s.

Hastings Trevor J5 trades
Gray Brian R.5 trades
Pladsen Glenn R.5 trades
Ring Nathan W5 trades
Liepitz Karl A4 trades
Kadrmas Marney L.3 trades
Christenson Nancy K.2 trades
Carmona-Alvarez German1 trades

at $0

Liepitz Karl Agranted4,611 shares ofKNFat $0Mar 5Details

Hastings Trevor Jgranted6,130 shares ofKNFat $0Mar 5Details

Ring Nathan Wgranted5,211 shares ofKNFat $0Mar 5Details

Pladsen Glenn R.tax-withheld1,569 shares ofKNFat $81.74$128KFeb 17Details

Pladsen Glenn R.tax-withheld1,385 shares ofKNFat $81.74$113KFeb 17Details

Gray Brian R.tax-withheld19,572 shares ofKNFat $81.74$1.6MFeb 17Details

Gray Brian R.tax-withheld10,072 shares ofKNFat $81.74$823KFeb 17Details

Kadrmas Marney L.tax-withheld1,232 shares ofKNFat $81.74$101KFeb 17Details

Liepitz Karl Atax-withheld8,648 shares ofKNFat $81.74$707KFeb 17Details

Hastings Trevor Jtax-withheld4,599 shares ofKNFat $81.74$376KFeb 17Details

Hastings Trevor Jtax-withheld2,880 shares ofKNFat $81.74$235KFeb 17Details

Ring Nathan Wtax-withheld4,336 shares ofKNFat $81.74$354KFeb 17Details

Ring Nathan Wtax-withheld1,922 shares ofKNFat $81.74$157KFeb 17Details

SANDBROOK WILLIAM Jgranted1,551 shares ofKNFat $0May 27Details

MOSS PATRICIA Lgranted1,551 shares ofKNFat $0May 27Details

Hill Thomas W.granted1,551 shares ofKNFat $0May 27Details

Fagg Karen Bgranted1,810 shares ofKNFat $0May 27Details

Chiodo Patriciagranted1,551 shares ofKNFat $0May 27Details

Carmona-Alvarez Germangranted1,551 shares ofKNFat $0May 27Details

Gray Brian R.bought1 shares ofKNFat $73.65$74Mar 4Details

Ring Nathan Wtax-withheld1,508 shares ofKNFat $72.55$109KFeb 26Details

Ring Nathan Wgranted4,805 shares ofKNFat $0Feb 26Details

Pladsen Glenn R.tax-withheld941 shares ofKNFat $72.55$68KFeb 26Details

Pladsen Glenn R.granted2,153 shares ofKNFat $0Feb 26Details

Liepitz Karl Atax-withheld5,243 shares ofKNFat $72.55$380KFeb 26Details

Liepitz Karl Agranted4,348 shares ofKNFat $0Feb 26Details

Chiodo Patricia

1 trades

Fagg Karen B1 trades

Hill Thomas W.1 trades

MOSS PATRICIA L1 trades

SANDBROOK WILLIAM J1 trades

LaChapelle Sarah L.1 trades

KNIFE RIVER CORP (KNF) — Insider Trading Activity | Insider Trading Screener