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Western Digital Corp

WDC
Exchange
Nasdaq
Industry
Computer Storage Devices
SEC CIK
0000106040

In the last 90 days, Western Digital Corp insiders filed 0 open-market purchases and 9 sales; 1,852 institutions reported holding it in 13F filings for Q2 2026, worth $206.3B in total; Maverick Capital is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Western Digital Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
9 filings
5 insiders, $15.8M in total
Insiders trading
5
Net value
−$15.8M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Western Digital Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Western Digital Corp
NameTitleLast reported holdingLast filingFilings, past year
Tregillis Cynthia LChief Legal Officer & Corp Sec111,030Sep 21, 202621
Tan IrvingChief Executive Officer265,613Sep 21, 202619
Streeter Stephanie ADirector34,807IndirectSep 21, 20266
Shihab Ahmed MohammedChief Product Officer158,608Sep 21, 20265
Sennesael KrisChief Financial Officer173,709Sep 21, 20267
Oulman RoxanneDirector3,863Sep 21, 20266
Massengill Matthew EDirector0IndirectSep 21, 20266
Kiddoo Bruce EDirector3,903Sep 21, 20268
Gubbi Vidyadhara KChief of Global Operations80,571Sep 21, 202620
Feller BradSVP, Global Accounting & Chief12,043Sep 21, 20266
Doluca TuncDirector37,849IndirectSep 21, 20265
Davis Brian ScottChief Sales & Mrktng Officer99,491Sep 21, 202618
Das ManuvirDirector772Sep 21, 20263
Cole Martin IDirector21,433Sep 21, 202612
Alexy KimberlyDirector1,585Sep 21, 20267
Zamiska Gene M.SVP & Princ. Acctg Officer27,425Sep 22, 20250
Bennett Don RInterim CFO104,554Mar 10, 20250
Jabre Wissam GEVP & CFO335,672Mar 3, 20250
Goeckeler DavidChief Executive Officer812,303Dec 2, 20240
Soderbery RobertEVP & GM, Flash Business132,940Dec 2, 20240
Caulfield ThomasDirector21,737Nov 22, 20240
Suzuki MiyukiDirector18,160Nov 22, 20240
Ray Michael CharlesEVP, Chief Legal Officer & Sec178,008Nov 28, 20230
Sivaram SrinivasanPresident, Tech & Strategy310,315Sep 6, 20230
Rayman Reed BDirector0May 24, 20230
Price Paula ADirector7,545Feb 1, 20220
Eulau Robert KEVP & CFO131,981Sep 17, 20210
Hunkler SeanEVP, Global Operations156,560Sep 17, 20210
Sundberg Lori SEVP & Chief Human Res Officer62,795Aug 10, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 10, 2021 (view filing)Aug 64 daysSundberg Lori SEVP & Chief Human Res OfficerSSale−3.38K$67.92−$229.6K−5.1%62.8K after
Nov 3, 2021 (view filing)Nov 21 dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−2.61K$55.00−$143.4K−7.6%31.5K after
Feb 1, 2022 (view filing)Jan 311 dayPrice Paula ADirectorSSale−4.15K$51.82−$215.1K−35.5%7.54K after
Feb 17, 2022 (view filing)Feb 152 daysSivaram SrinivasanPresident, Tech & StrategySSale−11.4K$53.37−$607.4K−4.3%254.5K after
May 6, 2022 (view filing)May 42 daysZamiska Gene M.SVP & Princ. Acctg OfficerSSale−4.78K$63.00−$300.9K−15.2%26.7K after
Sep 8, 2022 (view filing)Sep 71 dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−2.17K$40.90−$88.7K−6.4%31.6K after
Sep 7, 2023 (view filing)Sep 61 dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−2.17K$45.42−$98.5K−4.8%43.0K after10b5-1
Nov 6, 2023 (view filing)Nov 2-34 daysSoderbery RobertEVP & GM, Flash BusinessSSale−65.5K$42.92−$2.81M−27.1%175.7K after2 lots
Mar 5, 2024 (view filing)Mar 14 daysAlexy KimberlyDirectorSSale−3.00K$62.75−$188.3K−11.5%23.2K after2 lots10b5-1
Mar 5, 2024 (view filing)Mar 14 daysZamiska Gene M.SVP & Princ. Acctg OfficerSSale−10.8K$61.31−$660.2K−25.5%31.4K after3 lots10b5-1
Apr 2, 2024 (view filing)Apr 11 dayAlexy KimberlyDirectorSSale−2.65K$69.95−$185.2K−11.4%20.5K after10b5-1
Apr 9, 2024 (view filing)Apr 81 dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−443$75.00−$33.2K−1.4%31.0K after10b5-1
May 22, 2024 (view filing)May 211 dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−416$71.88−$29.9K−1.4%30.3K after10b5-1
Jun 6, 2024 (view filing)Jun 42 daysSoderbery RobertEVP & GM, Flash BusinessSSale−26.9K$73.48−$1.97M−15.7%144.6K after
Jun 18, 2024 (view filing)Jun 171 dayZamiska Gene M.SVP, Global Accounting & ChiefSSale−219$78.00−$17.1K−0.7%29.5K after10b5-1
Aug 7, 2024 (view filing)Aug 52 daysSoderbery RobertEVP & GM, Flash BusinessSSale−12.2K$57.09−$693.9K−8.6%128.4K after
Aug 22, 2024 (view filing)Aug 211 dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−417$64.89−$27.1K−1.4%28.9K after10b5-1
Aug 27, 2024 (view filing)Aug 27Same dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−2.90K$61.48−$178.3K−7.2%37.4K after10b5-1
Aug 30, 2024 (view filing)Aug 291 dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−315$63.32−$19.9K−0.9%35.9K after10b5-1
Sep 4, 2024 (view filing)Sep 4Same dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−2.17K$61.96−$134.4K−6.2%32.6K after10b5-1
Sep 27, 2024 (view filing)Sep 261 dayGoeckeler DavidChief Executive OfficerSSale−75.0K$70.32−$5.27M−7.7%896.6K after10b5-1
Oct 28, 2024 (view filing)Oct 253 daysGoeckeler DavidChief Executive OfficerSSale−75.0K$72.59−$5.44M−8.4%821.6K after10b5-1
Oct 28, 2024 (view filing)Oct 28Same dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−1.99K$69.94−$139.4K−6.1%30.6K after
Oct 30, 2024 (view filing)Oct 291 daySoderbery RobertEVP & GM, Flash BusinessSSale−30.8K$68.01−$2.09M−18.5%135.4K after
Nov 22, 2024 (view filing)Nov 211 dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−376$64.47−$24.2K−1.2%30.0K after10b5-1
Nov 26, 2024 (view filing)Nov 26Same dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−658$69.99−$46.1K−2.2%28.9K after10b5-1
Dec 2, 2024 (view filing)Nov 293 daysZamiska Gene M.SVP & Princ. Acctg OfficerSSale−313$72.63−$22.7K−1.1%28.4K after10b5-1
Mar 10, 2025 (view filing)Mar 73 daysZamiska Gene M.SVP & Princ. Acctg OfficerSSale−1.66K$41.36−$68.6K−3.7%43.8K after10b5-1
Mar 12, 2025 (view filing)Mar 12Same dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−456$43.37−$19.8K−1.0%43.3K after10b5-1
May 14, 2025 (view filing)May 131 dayTan IrvingChief Executive OfficerSSale−11.4K$48.19−$548.4K−1.8%605.5K after10b5-1
Jun 6, 2025 (view filing)Jun 51 dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−1.73K$54.88−$94.9K−4.1%40.1K after10b5-1
Jun 17, 2025 (view filing)Jun 17Same dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−245$58.01−$14.2K−0.6%39.6K after10b5-1
Aug 13, 2025 (view filing)Aug 11-132 daysGubbi Vidyadhara KChief of Global OpsSSale−9.54K$75.69−$722.4K−5.8%154.7K after2 lots
Aug 21, 2025 (view filing)Aug 192 daysTan IrvingChief Executive OfficerSSale−8.62K$75.90−$654.3K−1.4%594.8K after10b5-1
Aug 25, 2025 (view filing)Aug 223 daysTregillis Cynthia LChief Legal Officer & Corp SecSSale−14.1K$74.78−$1.05M−9.4%135.4K after10b5-1
Aug 25, 2025 (view filing)Aug 21-224 daysZamiska Gene M.SVP, Global Accounting & ChiefSSale−4.99K$75.35−$375.8K−14.4%29.7K after2 lots10b5-1
Aug 27, 2025 (view filing)Aug 261 dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−814$79.10−$64.4K−2.8%28.1K after10b5-1
Aug 28, 2025 (view filing)Aug 28Same dayZamiska Gene M.SVP & Princ. Acctg OfficerSSale−353$80.90−$28.6K−1.3%27.4K after10b5-1
Sep 5, 2025 (view filing)Sep 41 dayGubbi Vidyadhara KChief of Global OperationsSSale−11.3K$90.29−$1.02M−7.0%151.6K after
Nov 5, 2025 (view filing)Nov 32 daysTan IrvingChief Executive OfficerSSale−20.0K$150.69−$3.01M−3.0%645.5K after6 lots10b5-1
Nov 6, 2025 (view filing)Nov 51 dayCole Martin IDirectorSSale−10.0K$161.32−$1.61M−20.2%39.5K after11 lots10b5-1
Nov 26, 2025 (view filing)Nov 251 dayAlexy KimberlyDirectorSSale−1.77K$154.00−$272.3K−33.0%3.58K after
Nov 26, 2025 (view filing)Nov 251 dayOulman RoxanneDirectorSSale−1.80K$154.42−$278.0K−31.8%3.86K after
Dec 3, 2025 (view filing)Dec 12 daysCole Martin IDirectorSSale−6.00K$162.61−$975.7K−14.5%35.4K after8 lots10b5-1
Dec 3, 2025 (view filing)Dec 21 dayTregillis Cynthia LChief Legal Officer & Corp SecSSale−2.80K$160.57−$449.8K−1.9%144.6K after
Dec 8, 2025 (view filing)Dec 44 daysAlexy KimberlyDirectorSSale−2.00K$160.08−$320.2K−55.8%1.58K after
Dec 8, 2025 (view filing)Dec 4-54 daysGubbi Vidyadhara KChief of Global OperationsSSale−22.8K$163.15−$3.72M−15.2%126.9K after3 lots
Jan 21, 2026 (view filing)Jan 21Same dayTregillis Cynthia LChief Legal Officer & Corp SecSSale−447$229.00−$102.4K−0.3%143.3K after10b5-1
Feb 4, 2026 (view filing)Feb 22 daysTan IrvingChief Executive OfficerSSale−20.0K$255.44−$5.11M−3.1%623.6K after17 lots10b5-1
Feb 6, 2026 (view filing)Feb 51 dayMassengill Matthew EDirectorSSale−36.9K$260.43−$9.62M−100.0%0 after11 lots10b5-1