Form4insider filings, from the source

Insider · CIK 0001193795

Donald J Stebbins

Files at: KALU, SNA, SUP, WBC. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 4, 2026 AForm 4 →Jun 5, 5:53 pm EDTKAISER ALUMINUM CORPKALU1,417$178.10$112,38115,407—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.