Form4insider filings, from the source

Insider · CIK 0001729518

Irving Tan

Files at: WDC, CSCO. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $13.5M · 3net −$13.5M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesSep 2018Jan 2020May 2021Aug 2022Dec 2023Apr 2025Aug 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 20, 2026 FMForm 4 →Sep 21, 6:36 pm EDTWESTERN DIGITAL CORPWDC1,148$441.36$481,539265,613—
Aug 31, 2026 GJForm 4 →Sep 2, 6:38 pm EDTWESTERN DIGITAL CORPWDC450,000——112,500—
Aug 25, 2026 AFMForm 4 →Aug 27, 8:05 pm EDTWESTERN DIGITAL CORPWDC20,412$466.60$1,768,425379,147—
Aug 20, 2026 FMForm 4 →Aug 24, 6:59 pm EDTWESTERN DIGITAL CORPWDC727$461.45$317,938575,315—
Aug 11, 2026 SForm 4 →Aug 12, 9:24 pm EDTWESTERN DIGITAL CORPWDC20,000$444.97$8,899,329575,966−3.36%10b5-1
Jun 20, 2026 FMForm 4 →Jun 22, 9:16 pm EDTWESTERN DIGITAL CORPWDC1,142$746.23$813,391595,966—
Feb 10, 2019 FForm 4 →Feb 12, 6:37 pm ESTCISCO SYSTEMS, INC.CSCO905$47.19$42,707187,948— plan?
Dec 3, 2018 SForm 4 →Dec 6, 4:52 pm ESTCISCO SYSTEMS, INC.CSCO28,000$48.43$1,356,127188,853−12.9% plan?
Nov 20, 2018 FForm 4 →Nov 21, 6:01 pm ESTCISCO SYSTEMS, INC.CSCO4,535$45.75$207,476216,853— plan?
Nov 10, 2018 FForm 4 →Nov 14, 5:54 pm ESTCISCO SYSTEMS, INC.CSCO3,616$47.11$170,350221,388— plan? late
Sep 18, 2018 AForm 4 →Sep 20, 8:18 pm EDTCISCO SYSTEMS, INC.CSCO74,241——225,004— plan?
Sep 14, 2018 SForm 4 →Sep 14, 5:56 pm EDTCISCO SYSTEMS, INC.CSCO68,308$47.38$3,236,447150,763−31.2% plan?
Sep 11, 2018 AFForm 4 →Sep 13, 7:48 pm EDTCISCO SYSTEMS, INC.CSCO55,127$47.07$743,800219,071— plan?
Jun 11, 2018 FForm 4 →Jun 13, 6:15 pm EDTCISCO SYSTEMS, INC.CSCO1,375$43.48$59,785194,905— plan?
Mar 11, 2018 FForm 4 →Mar 13, 5:43 pm EDTCISCO SYSTEMS, INC.CSCO2,090$45.37$94,823196,280— plan?
Jan 30, 2018 AForm 4 →Feb 1, 8:13 pm ESTCISCO SYSTEMS, INC.CSCO23,530——198,370— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 17, 2026 AMForm 4 →Sep 21, 6:36 pm EDTWESTERN DIGITAL CORPWDC140——800—
Aug 25, 2026 MForm 4 →Aug 27, 8:05 pm EDTWESTERN DIGITAL CORPWDC74——774—
Aug 20, 2026 MForm 4 →Aug 24, 6:59 pm EDTWESTERN DIGITAL CORPWDC38——848—
Jun 17, 2026 AMForm 4 →Jun 22, 9:16 pm EDTWESTERN DIGITAL CORPWDC109——887—