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Stock filings

WDC insider trades & Congress trades

Western Digital Corp: public insider filings and Congress disclosures, in one place.

29insider buys + sells
2Congress trades
0 / 29insider buys / sells, 90 days
–latest buying cluster

Bourse has recorded 29 open-market insider transactions in Western Digital Corp (WDC) (0 purchases with code P and 29 sales with code S), the most recent on October 29, 2026.

In the last 90 days: 0 purchases by 0 insiders ($0) and 29 sales by 5 ($15.4M).

Members of Congress have disclosed 2 trades in WDC (1 purchases, 1 sales), the latest transaction dated September 18, 2026. Congress filings can arrive up to 45 days after the trade.

Insider transactions

SEC Form 4, open-market purchases (P) and sales (S) only. Awards, option exercises and tax withholding are excluded. “After” shows the stock’s return over the month following the trade, where available.

DateInsiderRoleTypeSharesPriceValueAfter 1M
Oct 29, 2026Cole Martin I–Sell204$390.04$80K–
Oct 29, 2026Cole Martin I–Sell385$391.05$151K–
Oct 29, 2026Cole Martin I–Sell407$392.42$160K–
Oct 29, 2026Cole Martin I–Sell494$393.22$194K–
Oct 29, 2026Cole Martin I–Sell243$394.41$96K–
Oct 29, 2026Cole Martin I–Sell209$395.30$83K–
Oct 29, 2026Cole Martin I–Sell317$396.31$126K–
Oct 29, 2026Cole Martin I–Sell584$397.48$232K–
Oct 29, 2026Cole Martin I–Sell723$398.45$288K–
Oct 29, 2026Cole Martin I–Sell303$399.36$121K–
Oct 29, 2026Cole Martin I–Sell88$400.33$35K–
Oct 29, 2026Cole Martin I–Sell43$401.47$17K–
Oct 21, 2026Tregillis Cynthia LChief Legal Officer & Corp SecSell807$380.00$307K–
Sep 4, 2026Tregillis Cynthia LChief Legal Officer & Corp SecSell432$451.20$195K−0.2%
Sep 4, 2026Gubbi Vidyadhara KChief of Global OperationsSell1,795$459.87$825K−0.2%
Sep 1, 2026Streeter Stephanie A–Sell1,600$455.00$728K−0.1%
Aug 31, 2026Streeter Stephanie A–Sell2,000$447.06$894K−0.1%
Aug 31, 2026Streeter Stephanie A–Sell2,000$448.58$897K−0.1%
Aug 27, 2026Tregillis Cynthia LChief Legal Officer & Corp SecSell1,007$478.36$482K−0.0%
Aug 26, 2026Tregillis Cynthia LChief Legal Officer & Corp SecSell476$450.78$215K−0.0%
Aug 24, 2026Tregillis Cynthia LChief Legal Officer & Corp SecSell684$446.17$305K+0.1%
Aug 21, 2026Tregillis Cynthia LChief Legal Officer & Corp SecSell235$477.27$112K+0.1%
Aug 11, 2026Tan IrvingChief Executive OfficerSell2,478$441.48$1.09M−0.0%
Aug 11, 2026Tan IrvingChief Executive OfficerSell989$442.22$437K−0.0%
Aug 11, 2026Tan IrvingChief Executive OfficerSell1,840$443.35$816K−0.0%
Aug 11, 2026Tan IrvingChief Executive OfficerSell1,880$444.67$836K−0.0%
Aug 11, 2026Tan IrvingChief Executive OfficerSell4,822$445.45$2.15M−0.0%
Aug 11, 2026Tan IrvingChief Executive OfficerSell6,445$446.38$2.88M−0.0%
Aug 11, 2026Tan IrvingChief Executive OfficerSell1,546$447.18$691K−0.0%

Congress trades

Disclosures under the STOCK Act. Amounts are reported as ranges; some trades are made by a spouse or dependent child.

TradedMemberPartyTypeAmountDisclosedFiling
Sep 18, 2026Gilbert CisneroshouseSell$1,001 - $15,000Oct 12, 2026Source
Jul 17, 2026Gilbert CisneroshouseBuy$1,001 - $15,000Sep 4, 2026Source

Data as of November 8, 2026. Public filings only. A purchase or sale by a politician or an insider does not by itself imply any wrongdoing.

New to these filings? Read how to read a Form 4, how Congress trades are disclosed and what insider cluster buying means. Sources and limits are on the Methodology page.

See these filings as they land

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