Form4insider filings, from the source

Insider · CIK 0001302874

Martin I Cole

Files at: WDC, WU, CLDR. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.8M · 2net −$1.8M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 12Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jul 28, 2026 SForm 4 →Jul 29, 7:32 pm EDTWESTERN DIGITAL CORPWDC192$462.77$88,85221,433−0.89%10b5-1
Jul 28, 2026 SForm 4 →Jul 29, 7:31 pm EDTWESTERN DIGITAL CORPWDC3,808$448.66$1,708,50521,625−15.0%10b5-1

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 17, 2026 AForm 4 →Sep 21, 6:32 pm EDTWESTERN DIGITAL CORPWDC1——3—