David Duffield Insider Trading Activity

Corporate Insider10%+ Owner · CIK 938071

144

Total trades

$410.1M

Total volume

Apr 9, 2026

Last activity

WDAY

Workday, Inc.

David Duffield has been net-selling over the last 12 months with 0 purchases and 139 sales across 1 company.

WDAY is the most-traded position with 139 trades. The largest single transaction was a sale of WDAY for $11.9M on Dec 16, 2025.

Performance Scorecard

Forward stock performance after each transaction by David Duffield. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days+6.7%78%144
90 days+14.0%84%103
120 days+21.6%97%94

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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WDAY · Workday, Inc.

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Recent Trades

Showing the 50 most recent of 144 disclosed trades.

DATETICKERTYPESHARESPRICEVALUEROLE
Apr 9, 2026WDAYSell29,705$111.93$3.3M10%+ Owner
Apr 9, 2026WDAYSell1,900$113.71$216K10%+ Owner
Apr 9, 2026WDAYSell3,700$116.13$430K10%+ Owner
Apr 9, 2026WDAYSell3,200$115.16$369K10%+ Owner
Apr 9, 2026WDAYSell39,607$112.93$4.5M10%+ Owner
Apr 9, 2026WDAYSell29,388$111.06$3.3M10%+ Owner
Apr 6, 2026WDAYSell800$132.01$106K10%+ Owner
Apr 6, 2026WDAYSell74,430$129.61$9.6M10%+ Owner
Apr 6, 2026WDAYSell18,924$128.97$2.4M10%+ Owner
Apr 6, 2026WDAYSell13,346$130.29$1.7M10%+ Owner
Mar 31, 2026WDAYSell100$131.41$13K10%+ Owner
Mar 31, 2026WDAYSell13,887$130.67$1.8M10%+ Owner
Mar 31, 2026WDAYSell16,932$129.05$2.2M10%+ Owner
Mar 31, 2026WDAYSell72,781$129.84$9.4M10%+ Owner
Mar 31, 2026WDAYSell3,800$128.09$487K10%+ Owner
Mar 26, 2026WDAYSell2,200$130.18$286K10%+ Owner
Mar 26, 2026WDAYSell53,496$127.85$6.8M10%+ Owner
Mar 26, 2026WDAYSell32,727$128.40$4.2M10%+ Owner
Mar 26, 2026WDAYSell19,077$129.46$2.5M10%+ Owner
Mar 23, 2026WDAYSell2,500$134.66$337K10%+ Owner
Mar 23, 2026WDAYSell34,611$137.55$4.8M10%+ Owner
Mar 23, 2026WDAYSell48,797$136.89$6.7M10%+ Owner
Mar 23, 2026WDAYSell21,592$135.76$2.9M10%+ Owner
Mar 18, 2026WDAYSell10,700$131.35$1.4M10%+ Owner
Mar 18, 2026WDAYSell1,400$134.87$189K10%+ Owner
Mar 18, 2026WDAYSell62,150$132.37$8.2M10%+ Owner
Mar 18, 2026WDAYSell6,114$134.14$820K10%+ Owner
Mar 18, 2026WDAYSell27,136$133.07$3.6M10%+ Owner
Mar 13, 2026WDAYSell22,046$133.34$2.9M10%+ Owner
Mar 13, 2026WDAYSell41,934$132.25$5.5M10%+ Owner
Mar 13, 2026WDAYSell26,820$131.67$3.5M10%+ Owner
Mar 13, 2026WDAYSell2,544$135.14$344K10%+ Owner
Mar 13, 2026WDAYSell14,156$134.36$1.9M10%+ Owner
Mar 10, 2026WDAYSell4,300$140.02$602K10%+ Owner
Mar 10, 2026WDAYSell10$146.72$1K10%+ Owner
Mar 10, 2026WDAYSell590$146.33$86K10%+ Owner
Mar 10, 2026WDAYSell14,176$141.16$2.0M10%+ Owner
Mar 10, 2026WDAYSell2,100$145.16$305K10%+ Owner
Mar 10, 2026WDAYSell2,000$144.20$288K10%+ Owner
Mar 10, 2026WDAYSell31,693$142.78$4.5M10%+ Owner
Mar 10, 2026WDAYSell52,631$142.02$7.5M10%+ Owner
Mar 5, 2026WDAYSell11,475$148.18$1.7M10%+ Owner
Mar 5, 2026WDAYSell70,401$147.27$10.4M10%+ Owner
Mar 5, 2026WDAYSell22,649$146.42$3.3M10%+ Owner
Mar 5, 2026WDAYSell2,175$145.17$316K10%+ Owner
Mar 5, 2026WDAYSell800$148.81$119K10%+ Owner
Mar 2, 2026WDAYSell9,492$135.69$1.3M10%+ Owner
Mar 2, 2026WDAYSell30,557$134.98$4.1M10%+ Owner
Mar 2, 2026WDAYSell56,954$134.07$7.6M10%+ Owner
Mar 2, 2026WDAYSell10,497$133.29$1.4M10%+ Owner

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
WDAYWorkday, Inc.144$410.1M

Other insiders at Workday, Inc.

8 other tracked filers at WDAY.