Form4insider filings, from the source

Company · CIK 0000319201 · SIC 3827 — Optical Instruments & Lenses · Nasdaq

KLA CORP · KLAC

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $12.4M · 1net −$12.4M
$10k$10k$1M$1M$100M$100MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 SForm 4 →Sep 16, 4:05 pm EDTRichard P WallacePresident and CEO72,019$171.88$12,378,626706,925−9.25%10b5-1

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

No reported derivative activity in this period.