Form4insider filings, from the source

Company · CIK 0001955520 · SIC 1400 — Mining & Quarrying of Nonmetallic Minerals (No Fuels) · NYSE

Knife River Corp · KNF

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

No reported common-stock activity in this period.

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 30, 2026 AForm 4 →Jul 1, 5:20 pm EDTKaren B FaggDirector197$89.25$17,6251,259—