Form4insider filings, from the source

Insider · CIK 0001713941

David Goeckeler

Files at: SNDK, CSCO. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $105.0M · 2net −$105.0M
$10k$10k$1M$1M$100M$100MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 12Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 17, 2026 SForm 4 →Sep 21, 6:03 pm EDTSandisk CorpSNDK33,841$1,574.21$53,272,704382,865−8.12%10b5-1
Sep 17, 2026 AForm 4 →Sep 21, 6:03 pm EDTSandisk CorpSNDK3,296——416,706—10b5-1
Sep 14, 2026 SForm 4 →Sep 16, 7:41 pm EDTSandisk CorpSNDK33,838$1,527.87$51,700,130413,410−7.57%10b5-1
Sep 3, 2026 FForm 4 →Sep 8, 8:48 pm EDTSandisk CorpSNDK10,540$1,554.99$16,389,595447,248—
Aug 25, 2026 FForm 4 →Aug 27, 6:04 pm EDTSandisk CorpSNDK49,782$1,480.77$73,715,692457,788—
Aug 20, 2026 FForm 4 →Aug 24, 5:42 pm EDTSandisk CorpSNDK2,333$1,598.61$3,729,557507,570—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.