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 $3.9M · 4net −$3.9M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesMar 28Apr 27May 28Jun 28Jul 29Aug 28Sep 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
Jun 9, 2026 SForm 4 →Jun 11, 5:50 pm EDTWESTERN DIGITAL CORPWDC720$536.01$385,92425,433−2.75%10b5-1
Jun 9, 2026 SForm 4 →Jun 11, 5:47 pm EDTWESTERN DIGITAL CORPWDC3,280$511.16$1,676,60026,153−11.1%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—
Jun 17, 2026 AForm 4 →Jun 22, 9:15 pm EDTWESTERN DIGITAL CORPWDC0——3—