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WESTERN DIGITAL CORP (WDC) S&P 500 XNAS COMPUTER STORAGE DEVICES Net insider selling (90d)
Latest WDC Insider Trades
About WESTERN DIGITAL CORP (WDC) Western Digital is a leading vertically integrated supplier of hard disk drives. The HDD market is a practical duopoly, with Western Digital and Seagate being the two largest players. Western Digital designs and manufactures its HDDs, with much of the manufacturing and workforce located in Asia. The primary consumers of HDDs are data centers.
Headquarters SAN JOSE, CA
Employees 40,000
Listed 1978
Exchange XNAS https://www.westerndigital.com SEC filings for WDC on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market sale 30 27,029 $12.53M Grant or award 22 46,447 Option exercise 50 761.17
WDC Insider Transactions (Form 4) 116 204 Form 4 filings on record, the earliest from Oct 28, 2024, newest first. Filing history page 1 of 3.
Date Insider Transaction Security Shares Price Value Aug 25, 2026 CT Cynthia L. Tregillis - Officer Option exercise Common Stock
Recent WDC Form 8-K Filings 5
Recent WDC Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Aug 27, 2026 CYNTHIA LOCK TREGILLIS Officer 1,007 $482K View on EDGAR Aug 26, 2026 CYNTHIA LOCK TREGILLIS Officer
WDC Insider Trading - FAQ
What is the latest insider trade for WDC? WESTERN DIGITAL CORP (WDC) had 34 insider filings in the last 90 days, with the most recent on 2026-08-28. The full record for WDC runs to 204 Form 4 filings, the earliest from 2024-10-28. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying WDC stock? No insider purchases of WDC were filed in the last 90 days.
How many insiders are selling WDC stock? 30 insider sales of WDC were filed in the last 90 days, totaling $12.53M.
Where can I see WDC SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks WDC Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow WDC insider buys? Create a free InsiderAlpha account and press Watch on this page to add WDC to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Information Technology Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track WDC insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free IT Irving Tan - Officer Open-market sale $1.09M
Aug 11, 2026
IT Irving Tan - Officer Open-market sale $437K
Aug 11, 2026
IT Irving Tan - Officer Open-market sale $816K
Aug 11, 2026
IT Irving Tan - Officer Open-market sale $836K
Aug 11, 2026
Market cap $165.65B
P/E ratio 19.00
Dividend yield 0.13%
Average volume 8.48M
52 week high $799.87
52 week low $77.90
Today's high $475.01
Today's low $455.07
Open $462.25
Volume 4.32M
Previous close $462.00
Shares outstanding 360.54M Market cap
$165.65B
40,000 employees
WDC Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 30 sales totaling $12.53M.
Most-Active WDC Insiders - Last 90 Days 10 Tax withholding / forfeiture 25 35,689
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Aug 26, 2026 CT Cynthia L. Tregillis - Officer Tax withholding / forfeiture Common Stock 1,631 $468.88 $765K
Aug 25, 2026 IT Irving Tan - Officer Option exercise Common Stock 32 $0.00 -
Aug 25, 2026 IT Irving Tan - Officer Tax withholding / forfeiture Common Stock 476 $450.75 $215K
Aug 25, 2026 IT Irving Tan - Officer Grant or award Common Stock 16,548 $0.00 -
Aug 26, 2026 IT Irving Tan - Officer Option exercise Common Stock 42 $0.00 -
Aug 26, 2026 IT Irving Tan - Officer Tax withholding / forfeiture Common Stock 3,314 $468.88 $1.55M
Aug 25, 2026 IT Irving Tan - Officer Option exercise Dividend Equivalent Rights 32.03 $0.00 -
Aug 26, 2026 IT Irving Tan - Officer Option exercise Dividend Equivalent Rights 42.42 $0.00 -
Aug 25, 2026 KS Kris Sennesael - Officer Grant or award Common Stock 8,274 $0.00 -
Aug 26, 2026 KS Kris Sennesael - Officer Option exercise Common Stock 19 $0.00 -
Aug 26, 2026 KS Kris Sennesael - Officer Tax withholding / forfeiture Common Stock 4,317 $468.88 $2.02M
Aug 26, 2026 KS Kris Sennesael - Officer Option exercise Dividend Equivalent Rights 19.88 $0.00 -
Aug 25, 2026 VG Vidyadhara K. Gubbi - Officer Tax withholding / forfeiture Common Stock 1,143 $450.75 $515K
Aug 26, 2026 VG Vidyadhara K. Gubbi - Officer Tax withholding / forfeiture Common Stock 2,056 $468.88 $964K
Aug 25, 2026 BF Brad Feller - Officer Grant or award Common Stock 2,068 $0.00 -
Aug 25, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 971 $450.75 $438K
Aug 26, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 1,644 $468.88 $771K
Aug 25, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 7.78 $0.00 -
Aug 26, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 7.57 $0.00 -
Aug 21, 2026 CT Cynthia L. Tregillis - Officer Tax withholding / forfeiture Common Stock 1,109 $459.44 $510K
Aug 20, 2026 IT Irving Tan - Officer Option exercise Common Stock 13 $0.00 -
Aug 20, 2026 IT Irving Tan - Officer Tax withholding / forfeiture Common Stock 144 $469.05 $68K
Aug 21, 2026 IT Irving Tan - Officer Option exercise Common Stock 25 $0.00 -
Aug 21, 2026 IT Irving Tan - Officer Tax withholding / forfeiture Common Stock 545 $459.44 $250K
Aug 20, 2026 IT Irving Tan - Officer Option exercise Dividend Equivalent Rights 13.26 $0.00 -
Aug 21, 2026 IT Irving Tan - Officer Option exercise Dividend Equivalent Rights 25.01 $0.00 -
Aug 20, 2026 VG Vidyadhara K. Gubbi - Officer Tax withholding / forfeiture Common Stock 592 $469.05 $278K
Aug 21, 2026 VG Vidyadhara K. Gubbi - Officer Tax withholding / forfeiture Common Stock 694 $459.44 $319K
Aug 20, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 716 $469.05 $336K
Aug 21, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 593 $459.44 $272K
Aug 20, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 5.74 $0.00 -
Aug 21, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 4.75 $0.00 -
Aug 11, 2026 IT Irving Tan - Officer Open-market sale Common Stock 2,478 $441.48 $1.09M
Aug 11, 2026 IT Irving Tan - Officer Open-market sale Common Stock 989 $442.22 $437K
Aug 11, 2026 IT Irving Tan - Officer Open-market sale Common Stock 1,840 $443.35 $816K
Aug 11, 2026 IT Irving Tan - Officer Open-market sale Common Stock 1,880 $444.67 $836K
Aug 11, 2026 IT Irving Tan - Officer Open-market sale Common Stock 4,822 $445.45 $2.15M
Aug 11, 2026 IT Irving Tan - Officer Open-market sale Common Stock 6,445 $446.38 $2.88M
Aug 11, 2026 IT Irving Tan - Officer Open-market sale Common Stock 1,546 $447.18 $691K
Jul 28, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 160 $462.30 $74K
Jul 28, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 32 $465.12 $15K
Jul 20, 2026 CT Cynthia L. Tregillis - Officer Tax withholding / forfeiture Common Stock 1,309 $487.42 $638K
Jun 20, 2026 IT Irving Tan - Officer Option exercise Dividend Equivalent Rights 52.11 $0.00 -
Jun 20, 2026 IT Irving Tan - Officer Option exercise Common Stock 52 $0.00 -
Jun 20, 2026 IT Irving Tan - Officer Tax withholding / forfeiture Common Stock 1,090 $746.23 $813K
Jun 17, 2026 IT Irving Tan - Officer Grant or award Dividend Equivalent Rights 56.5 $0.00 -
Jun 17, 2026 KS Kris Sennesael - Officer Grant or award Dividend Equivalent Rights 27.77 $0.00 -
Jun 17, 2026 RO Roxanne Oulman - Director Grant or award Dividend Equivalent Rights 0.33 $0.00 -
Jun 17, 2026 BK Bruce E. Kiddoo - Director Grant or award Dividend Equivalent Rights 0.33 $0.00 -
Jun 17, 2026 BF Brad Feller - Officer Grant or award Dividend Equivalent Rights 2.09 $0.00 -
Jun 17, 2026 TD Tunc Doluca - Director Grant or award Dividend Equivalent Rights 0.33 $0.00 -
Jun 20, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 961 $746.23 $717K
Jun 17, 2026 BD Brian Scott Davis - Officer Grant or award Dividend Equivalent Rights 11.7 $0.00 -
Jun 20, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 7.7 $0.00 -
Jun 17, 2026 MD Manuvir Das - Director Grant or award Dividend Equivalent Rights 0.16 $0.00 -
Jun 17, 2026 MC Martin I. Cole - Director Grant or award Dividend Equivalent Rights 0.4 $0.00 -
Jun 17, 2026 KA Kimberly Alexy - Director Grant or award Dividend Equivalent Rights 0.33 $0.00 -
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 48 $528.07 $25K
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 64 $530.27 $34K
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 48 $531.62 $26K
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 96 $533.01 $51K
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 48 $533.97 $26K
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 16 $534.90 $9K
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 112 $536.27 $60K
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 71 $537.73 $38K
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 57 $538.81 $31K
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 32 $539.82 $17K
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 16 $540.96 $9K
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 48 $542.79 $26K
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 48 $543.92 $26K
Jun 9, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 16 $544.95 $9K
$WYY
WIDEPOINT CORP
Cynthia L. Tregillis - OfficerOpen-market sale$215K
