Knife River Corp (KNF)

NYSE · Mining & Quarrying of Nonmetallic Minerals (No Fuels) · Inc. DE

What they're doing

Not enough recent activity to summarise.

Signals, last 12 months

  1. Material 8-K filing
    Filed 8-K disclosing director or officer change
  2. Material 8-K filing
    Filed 8-K disclosing material agreement

Insider transactions

DateInsiderRoleCodeSharesPriceValue
2026-05-20SANDBROOK WILLIAM JdirectorA2,0400$0
2026-05-20MOSS PATRICIA LdirectorA2,0400$0
2026-05-20Hill Thomas W.directorA2,0400$0
2026-05-20Fagg Karen BdirectorA2,3800$0
2026-05-20Chiodo PatriciadirectorA2,0400$0
2026-05-20Carmona-Alvarez GermandirectorA2,0400$0
2026-05-20SANDBROOK WILLIAM JdirectorA2,0400$0
2026-05-20MOSS PATRICIA LdirectorA2,0400$0
2026-05-20Hill Thomas W.directorA2,0400$0
2026-05-20Fagg Karen BdirectorA2,3800$0
2026-05-20Chiodo PatriciadirectorA2,0400$0
2026-05-20Carmona-Alvarez GermandirectorA2,0400$0
2026-03-06Gray Brian R.directorA20,9550$0
2026-03-06Gray Brian R.directorA20,9550$0
2026-03-04Kadrmas Marney L.officerA1,1990$0
2026-03-04Pladsen Glenn R.officerA2,9500$0
2026-03-04LaChapelle Sarah L.officerA2,7130$0
2026-03-04Liepitz Karl AofficerA4,6110$0
2026-03-04Ring Nathan WofficerA5,2110$0
2026-03-04Hastings Trevor JofficerA6,1300$0
2026-03-04Kadrmas Marney L.officerA1,1990$0
2026-03-04Pladsen Glenn R.officerA2,9500$0
2026-03-04LaChapelle Sarah L.officerA2,7130$0
2026-03-04Liepitz Karl AofficerA4,6110$0
2026-03-04Ring Nathan WofficerA5,2110$0
2026-03-04Hastings Trevor JofficerA6,1300$0
2026-02-12Kadrmas Marney L.officerF1,23281.74$100,704
2026-02-12Ring Nathan WofficerF4,33681.74$354,425
2026-02-12Pladsen Glenn R.officerF1,56981.74$128,250
2026-02-12Pladsen Glenn R.officerF1,38581.74$113,210
2026-02-12Liepitz Karl AofficerF8,64881.74$706,888
2026-02-12Gray Brian R.directorF19,57281.74$1,599,815
2026-02-12Gray Brian R.directorF10,07281.74$823,285
2026-02-12Hastings Trevor JofficerF2,88081.74$235,411
2026-02-12Hastings Trevor JofficerF4,59981.74$375,922
2026-02-12Ring Nathan WofficerF1,92281.74$157,104
2026-02-12Ring Nathan WofficerF4,33681.74$354,425
2026-02-12Kadrmas Marney L.officerF1,23281.74$100,704
2026-02-12Pladsen Glenn R.officerF1,38581.74$113,210
2026-02-12Pladsen Glenn R.officerF1,56981.74$128,250
2026-02-12Liepitz Karl AofficerF8,64881.74$706,888
2026-02-12Gray Brian R.directorF10,07281.74$823,285
2026-02-12Gray Brian R.directorF19,57281.74$1,599,815
2026-02-12Hastings Trevor JofficerF2,88081.74$235,411
2026-02-12Hastings Trevor JofficerF4,59981.74$375,922
2026-02-12Ring Nathan WofficerF1,92281.74$157,104
2025-05-22Carmona-Alvarez GermandirectorA1,5510$0
2025-05-22Chiodo PatriciadirectorA1,5510$0
2025-05-22Fagg Karen BdirectorA1,8100$0
2025-05-22Hill Thomas W.directorA1,5510$0

Federal contracts

No federal contract actions on record for this recipient mapping.

Lobbying

No federal lobbying filings on record for this client mapping.

Public attention

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Recent filings