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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) 136 204 Form 4 filings on record, the earliest from Oct 28, 2024, newest first. Filing history page 3 of 3.
Date Insider Transaction Security Shares Price Value Mar 18, 2026 VG Vidyadhara K. Gubbi - Officer Grant or award Dividend Equivalent Rights 34.66
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.
Mar 18, 2026 BF Brad Feller - Officer Grant or award Dividend Equivalent Rights 4.07 $0.00 -
Mar 18, 2026 TD Tunc Doluca - Director Grant or award Dividend Equivalent Rights 0.65 $0.00 -
Mar 18, 2026 BD Brian Scott Davis - Officer Grant or award Dividend Equivalent Rights 26.16 $0.00 -
Mar 18, 2026 MC Martin I. Cole - Director Grant or award Dividend Equivalent Rights 0.79 $0.00 -
Mar 18, 2026 KA Kimberly Alexy - Director Grant or award Dividend Equivalent Rights 0.65 $0.00 -
Mar 3, 2026 CT Cynthia L. Tregillis - Officer Tax withholding / forfeiture Common Stock 2,798 $250.61 $701K
Mar 3, 2026 IT Irving Tan - Officer Option exercise Common Stock 92 $0.00 -
Mar 3, 2026 IT Irving Tan - Officer Tax withholding / forfeiture Common Stock 3,512 $250.61 $880K
Mar 3, 2026 IT Irving Tan - Officer Option exercise Dividend Equivalent Rights 92.87 $0.00 -
Mar 3, 2026 VG Vidyadhara K. Gubbi - Officer Tax withholding / forfeiture Common Stock 7,054 $250.61 $1.77M
Mar 3, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 23.81 $0.00 -
Mar 3, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 3,526 $250.61 $884K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 966 $269.72 $261K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 1,400 $271.68 $380K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 1,100 $272.56 $300K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 200 $273.57 $55K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 300 $274.87 $82K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 200 $276.53 $55K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 100 $277.16 $28K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 107 $278.97 $30K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 193 $280.73 $54K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 100 $281.99 $28K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 100 $263.66 $26K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 300 $265.70 $80K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 300 $267.81 $80K
Mar 2, 2026 MC Martin I. Cole - Director Open-market sale Common Stock 634 $268.84 $170K
Feb 25, 2026 IT Irving Tan - Officer Option exercise Common Stock 27 $0.00 -
Feb 25, 2026 IT Irving Tan - Officer Tax withholding / forfeiture Common Stock 425 $290.95 $124K
Feb 25, 2026 IT Irving Tan - Officer Option exercise Dividend Equivalent Rights 27.02 $0.00 -
Feb 25, 2026 VG Vidyadhara K. Gubbi - Officer Tax withholding / forfeiture Common Stock 1,010 $290.95 $294K
Feb 25, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 849 $290.95 $247K
Feb 25, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 6.56 $0.00 -
Feb 21, 2026 CT Cynthia L. Tregillis - Officer Tax withholding / forfeiture Common Stock 1,109 $285.52 $317K
Feb 20, 2026 IT Irving Tan - Officer Option exercise Common Stock 11 $0.00 -
Feb 20, 2026 IT Irving Tan - Officer Tax withholding / forfeiture Common Stock 134 $285.52 $38K
Feb 21, 2026 IT Irving Tan - Officer Option exercise Common Stock 21 $0.00 -
Feb 21, 2026 IT Irving Tan - Officer Tax withholding / forfeiture Common Stock 523 $285.52 $149K
Feb 20, 2026 IT Irving Tan - Officer Option exercise Dividend Equivalent Rights 11.19 $0.00 -
Feb 21, 2026 IT Irving Tan - Officer Option exercise Dividend Equivalent Rights 21.1 $0.00 -
Feb 20, 2026 VG Vidyadhara K. Gubbi - Officer Tax withholding / forfeiture Common Stock 437 $285.52 $125K
Feb 21, 2026 VG Vidyadhara K. Gubbi - Officer Tax withholding / forfeiture Common Stock 483 $285.52 $138K
Feb 20, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 522 $285.52 $149K
Feb 21, 2026 BD Brian Scott Davis - Officer Tax withholding / forfeiture Common Stock 414 $285.52 $118K
Feb 20, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 4.84 $0.00 -
Feb 21, 2026 BD Brian Scott Davis - Officer Option exercise Dividend Equivalent Rights 4.01 $0.00 -
Feb 17, 2026 BD Brian Scott Davis - Officer Open-market sale Common Stock 2,129 $277.37 $591K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 981 $242.23 $238K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 1,298 $243.50 $316K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 800 $245.01 $196K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 1,005 $247.26 $248K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 1,100 $248.95 $274K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 200 $249.49 $50K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 1,000 $252.15 $252K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 100 $253.40 $25K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 100 $255.00 $26K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 1,000 $256.76 $257K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 1,500 $257.82 $387K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 2,096 $258.65 $542K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 2,250 $259.93 $585K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 2,444 $260.84 $637K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 3,626 $261.84 $949K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 100 $262.55 $26K
Feb 2, 2026 IT Irving Tan - Officer Open-market sale Common Stock 400 $250.71 $100K
Dec 1, 2025 MC Martin I. Cole - Director Open-market sale Common Stock 100 $157.50 $16K
Dec 1, 2025 MC Martin I. Cole - Director Open-market sale Common Stock 500 $158.98 $79K
Dec 1, 2025 MC Martin I. Cole - Director Open-market sale Common Stock 600 $159.89 $96K
Dec 1, 2025 MC Martin I. Cole - Director Open-market sale Common Stock 900 $161.17 $145K
Dec 1, 2025 MC Martin I. Cole - Director Open-market sale Common Stock 400 $162.12 $65K
Dec 1, 2025 MC Martin I. Cole - Director Open-market sale Common Stock 451 $163.16 $74K
Dec 1, 2025 MC Martin I. Cole - Director Open-market sale Common Stock 2,539 $164.20 $417K
Dec 1, 2025 MC Martin I. Cole - Director Open-market sale Common Stock 510 $164.95 $84K
Nov 25, 2025 KA Kimberly Alexy - Director Open-market sale Common Stock 1,768 $154.00 $272K
$WYY
WIDEPOINT CORP
Cynthia L. Tregillis - OfficerOpen-market sale$215K
