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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) 104 204 Form 4 filings on record, the earliest from Oct 28, 2024, newest first. Filing history page 2 of 3.
Date Insider Transaction Security Shares Price Value Jun 3, 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 -
Today's low -
Open -
Volume -
Previous close $459.45
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.
Jun 3, 2026 VG Vidyadhara K. Gubbi - Officer Tax withholding / forfeiture Common Stock 1,764 $594.11 $1.05M
Jun 3, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 881 $594.11 $523K
Jun 3, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 6.68 $0.00 -
May 28, 2026 BK Bruce E. Kiddoo - Director Open-market sale Common Stock 750 $528.52 $396K
May 26, 2026 MD Manuvir Das - Director Grant or award Common Stock 772 $0.00 -
May 25, 2026 IT Irving Tan - Officer Option exercise Common Stock 30 $0.00 -
May 25, 2026 IT Irving Tan - Officer Tax withholding / forfeiture Common Stock 479 $484.28 $232K
May 25, 2026 IT Irving Tan - Officer Option exercise Dividend Equivalent Rights 30.33 $0.00 -
May 25, 2026 VG Vidyadhara K. Gubbi - Officer Tax withholding / forfeiture Common Stock 1,143 $484.28 $554K
May 25, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 971 $484.28 $470K
May 25, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 7.36 $0.00 -
May 21, 2026 CT Cynthia L. Tregillis - Officer Tax withholding / forfeiture Common Stock 1,108 $486.46 $539K
May 20, 2026 IT Irving Tan - Officer Option exercise Common Stock 12 $0.00 -
May 20, 2026 IT Irving Tan - Officer Tax withholding / forfeiture Common Stock 145 $459.62 $67K
May 21, 2026 IT Irving Tan - Officer Option exercise Common Stock 23 $0.00 -
May 21, 2026 IT Irving Tan - Officer Tax withholding / forfeiture Common Stock 587 $486.46 $286K
May 20, 2026 IT Irving Tan - Officer Option exercise Dividend Equivalent Rights 12.56 $0.00 -
May 21, 2026 IT Irving Tan - Officer Option exercise Dividend Equivalent Rights 23.68 $0.00 -
May 20, 2026 KS Kris Sennesael - Officer Option exercise Common Stock 141 $0.00 -
May 20, 2026 KS Kris Sennesael - Officer Tax withholding / forfeiture Common Stock 18,374 $459.62 $8.45M
May 20, 2026 KS Kris Sennesael - Officer Option exercise Dividend Equivalent Rights 141.65 $0.00 -
May 20, 2026 VG Vidyadhara K. Gubbi - Officer Tax withholding / forfeiture Common Stock 593 $459.62 $273K
May 21, 2026 VG Vidyadhara K. Gubbi - Officer Tax withholding / forfeiture Common Stock 693 $486.46 $337K
May 20, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 716 $459.62 $329K
May 21, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 593 $486.46 $288K
May 20, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 5.43 $0.00 -
May 21, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 4.5 $0.00 -
May 11, 2026 BD Brian Scott Davis - Officer Open-market sale Common Stock 1,675 $489.78 $820K
May 11, 2026 BD Brian Scott Davis - Officer Open-market sale Common Stock 1,617 $504.10 $815K
May 1, 2026 IT Irving Tan - Officer Open-market sale Common Stock 3,257 $406.52 $1.32M
May 1, 2026 IT Irving Tan - Officer Open-market sale Common Stock 512 $407.32 $209K
May 1, 2026 IT Irving Tan - Officer Open-market sale Common Stock 584 $408.23 $238K
May 1, 2026 IT Irving Tan - Officer Open-market sale Common Stock 546 $409.63 $224K
May 1, 2026 IT Irving Tan - Officer Open-market sale Common Stock 920 $410.76 $378K
May 1, 2026 IT Irving Tan - Officer Open-market sale Common Stock 680 $411.87 $280K
May 1, 2026 IT Irving Tan - Officer Open-market sale Common Stock 5,711 $413.12 $2.36M
May 1, 2026 IT Irving Tan - Officer Open-market sale Common Stock 7,355 $413.92 $3.04M
May 1, 2026 IT Irving Tan - Officer Open-market sale Common Stock 435 $415.02 $181K
Apr 20, 2026 CT Cynthia L. Tregillis - Officer Tax withholding / forfeiture Common Stock 1,308 $374.11 $489K
Apr 20, 2026 VG Vidyadhara K. Gubbi - Officer Tax withholding / forfeiture Common Stock 4,595 $374.11 $1.72M
Apr 20, 2026 VG Vidyadhara K. Gubbi - Officer Option exercise Dividend Equivalent Rights 34.81 $0.00 -
Mar 20, 2026 IT Irving Tan - Officer Option exercise Common Stock 49 $0.00 -
Mar 20, 2026 IT Irving Tan - Officer Tax withholding / forfeiture Common Stock 1,042 $293.10 $305K
Mar 20, 2026 IT Irving Tan - Officer Option exercise Dividend Equivalent Rights 49.34 $0.00 -
Mar 20, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 961 $293.10 $282K
Mar 20, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 7.29 $0.00 -
Mar 18, 2026 IT Irving Tan - Officer Grant or award Dividend Equivalent Rights 122.57 $0.00 -
Mar 18, 2026 KS Kris Sennesael - Officer Grant or award Dividend Equivalent Rights 69.48 $0.00 -
Mar 18, 2026 RO Roxanne Oulman - Director Grant or award Dividend Equivalent Rights 0.65 $0.00 -
Mar 18, 2026 BK Bruce E. Kiddoo - Director Grant or award Dividend Equivalent Rights 0.65 $0.00 -
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WIDEPOINT CORP
Cynthia L. Tregillis - OfficerOpen-market sale$215K
