William J Sandbrook insider trades

Open-market stock purchases and sales by William J Sandbrook, Director at Knife River Corp, from SEC Form 4 filings since Aug 22, 2011.

Recent trades

DateStockTradeValue
May 20, 2026KNF Knife River CorpBought (not open market)—
May 18, 2026FIX Comfort Systems USA IncBought (not open market)—
Apr 29, 2026FIX Comfort Systems USA IncSold$2.6M
Feb 24, 2026FIX Comfort Systems USA IncSold$3.6M

Companies traded

  • KNF Knife River Corp: other filings, last May 20, 2026
  • FIX Comfort Systems USA Inc: 2 buys, 8 sales, last May 18, 2026
  • USCR U.S. Concrete, Inc: 9 buys, 76 sales, last Mar 18, 2021

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