Insidervault
LIVE FROM THE DATABASETRANSACTIONS 361,642COMPANIES 5,757LATEST TRADE Oct 16UPDATED Oct 16, 07:42 PM
Reporting ownerCIK 0000938071

David A. Duffield

265 transactions in one company, from December 2, 2025 to October 9, 2026.

Transactions
2651 company
Bought · P
$0open market
Sold · S
$501.9Mopen market
Net
−$501.9Mnet selling

By company

Where this insider traded.

CompanyTickerTradesBoughtSold
Workday, Inc.WDAY265—$501.9M

All transactions

265 in total, newest filings first.

CompanyTickerInsiderDateCodeSharesPriceValue
Workday, Inc.WDAYDavid A. Duffield10%DERIVOct 9CPLAN99,835$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Oct 9SPLAN1,502$190.96$287K
Workday, Inc.WDAYDavid A. Duffield10%Oct 9SPLAN10,472$190.13$2.0M
Workday, Inc.WDAYDavid A. Duffield10%Oct 9SPLAN12,732$189.36$2.4M
Workday, Inc.WDAYDavid A. Duffield10%Oct 9SPLAN14,228$188.19$2.7M
Workday, Inc.WDAYDavid A. Duffield10%Oct 9SPLAN14,294$186.92$2.7M
Workday, Inc.WDAYDavid A. Duffield10%Oct 9SPLAN46,607$186.36$8.7M
Workday, Inc.WDAYDavid A. Duffield10%Oct 9CPLAN99,835$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVOct 6CPLAN99,228$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Oct 6SPLAN10,572$189.39$2.0M
Workday, Inc.WDAYDavid A. Duffield10%Oct 6SPLAN19,534$188.64$3.7M
Workday, Inc.WDAYDavid A. Duffield10%Oct 6SPLAN10,054$187.77$1.9M
Workday, Inc.WDAYDavid A. Duffield10%Oct 6SPLAN45,984$186.66$8.6M
Workday, Inc.WDAYDavid A. Duffield10%Oct 6SPLAN10,284$185.86$1.9M
Workday, Inc.WDAYDavid A. Duffield10%Oct 6SPLAN2,800$184.80$517K
Workday, Inc.WDAYDavid A. Duffield10%Oct 6CPLAN99,228$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVSep 28CPLAN98,971$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Sep 28SPLAN3,904$190.60$744K
Workday, Inc.WDAYDavid A. Duffield10%Sep 28SPLAN23,095$189.84$4.4M
Workday, Inc.WDAYDavid A. Duffield10%Sep 28SPLAN37,993$188.94$7.2M
Workday, Inc.WDAYDavid A. Duffield10%Sep 28SPLAN23,779$188.13$4.5M
Workday, Inc.WDAYDavid A. Duffield10%Sep 28SPLAN1,100$186.80$205K
Workday, Inc.WDAYDavid A. Duffield10%Sep 28SPLAN1,700$185.78$316K
Workday, Inc.WDAYDavid A. Duffield10%Sep 28SPLAN1,904$184.67$352K
Workday, Inc.WDAYDavid A. Duffield10%Sep 28SPLAN3,496$183.88$643K
Workday, Inc.WDAYDavid A. Duffield10%Sep 28SPLAN2,000$182.67$365K
Workday, Inc.WDAYDavid A. Duffield10%Sep 28CPLAN98,971$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVSep 23CPLAN99,613$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Sep 23SPLAN1,875$193.62$363K
Workday, Inc.WDAYDavid A. Duffield10%Sep 23SPLAN24,934$192.84$4.8M
Workday, Inc.WDAYDavid A. Duffield10%Sep 23SPLAN63,855$192.10$12.3M
Workday, Inc.WDAYDavid A. Duffield10%Sep 23SPLAN4,849$190.95$926K
Workday, Inc.WDAYDavid A. Duffield10%Sep 23SPLAN1,776$189.69$337K
Workday, Inc.WDAYDavid A. Duffield10%Sep 23SPLAN2,324$188.92$439K
Workday, Inc.WDAYDavid A. Duffield10%Sep 23CPLAN99,613$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVSep 18CPLAN94,089$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Sep 18SPLAN12,029$195.73$2.4M
Workday, Inc.WDAYDavid A. Duffield10%Sep 18SPLAN47,201$194.91$9.2M
Workday, Inc.WDAYDavid A. Duffield10%Sep 18SPLAN34,859$194.04$6.8M
Workday, Inc.WDAYDavid A. Duffield10%Sep 18CPLAN94,089$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVSep 15CPLAN96,545$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Sep 15SPLAN3,868$194.39$752K
Workday, Inc.WDAYDavid A. Duffield10%Sep 15SPLAN23,875$193.57$4.6M
Workday, Inc.WDAYDavid A. Duffield10%Sep 15SPLAN26,152$192.73$5.0M
Workday, Inc.WDAYDavid A. Duffield10%Sep 15SPLAN17,487$191.63$3.4M
Workday, Inc.WDAYDavid A. Duffield10%Sep 15SPLAN25,163$190.71$4.8M
Workday, Inc.WDAYDavid A. Duffield10%Sep 15CPLAN96,545$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVSep 1CPLAN94,961$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Sep 1SPLAN100$204.92$20K
Workday, Inc.WDAYDavid A. Duffield10%Sep 1SPLAN1,900$204.28$388K
Workday, Inc.WDAYDavid A. Duffield10%Sep 1SPLAN6,199$203.40$1.3M
Workday, Inc.WDAYDavid A. Duffield10%Sep 1SPLAN1,901$202.40$385K
Workday, Inc.WDAYDavid A. Duffield10%Sep 1SPLAN4,100$201.40$826K
Workday, Inc.WDAYDavid A. Duffield10%Sep 1SPLAN4,800$200.14$961K
Workday, Inc.WDAYDavid A. Duffield10%Sep 1SPLAN35,196$199.01$7.0M
Workday, Inc.WDAYDavid A. Duffield10%Sep 1SPLAN36,729$198.29$7.3M
Workday, Inc.WDAYDavid A. Duffield10%Sep 1SPLAN4,036$197.38$797K
Workday, Inc.WDAYDavid A. Duffield10%Sep 1CPLAN94,961$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVJul 9CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Jul 9SPLAN100$138.98$14K
Workday, Inc.WDAYDavid A. Duffield10%Jul 9SPLAN20,710$138.34$2.9M
Workday, Inc.WDAYDavid A. Duffield10%Jul 9SPLAN39,133$137.19$5.4M
Workday, Inc.WDAYDavid A. Duffield10%Jul 9SPLAN27,858$136.41$3.8M
Workday, Inc.WDAYDavid A. Duffield10%Jul 9SPLAN14,299$135.48$1.9M
Workday, Inc.WDAYDavid A. Duffield10%Jul 9SPLAN500$134.01$67K
Workday, Inc.WDAYDavid A. Duffield10%Jul 9SPLAN1,700$133.12$226K
Workday, Inc.WDAYDavid A. Duffield10%Jul 9SPLAN1,800$132.07$238K
Workday, Inc.WDAYDavid A. Duffield10%Jul 9SPLAN1,400$130.63$183K
Workday, Inc.WDAYDavid A. Duffield10%Jul 9CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVJul 6CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Jul 6SPLAN100$138.30$14K
Workday, Inc.WDAYDavid A. Duffield10%Jul 6SPLAN43,583$137.75$6.0M
Workday, Inc.WDAYDavid A. Duffield10%Jul 6SPLAN15,869$136.90$2.2M
Workday, Inc.WDAYDavid A. Duffield10%Jul 6SPLAN3,417$135.80$464K
Workday, Inc.WDAYDavid A. Duffield10%Jul 6SPLAN7,098$134.65$956K
Workday, Inc.WDAYDavid A. Duffield10%Jul 6SPLAN2,476$133.99$332K
Workday, Inc.WDAYDavid A. Duffield10%Jul 6SPLAN7,953$132.73$1.1M
Workday, Inc.WDAYDavid A. Duffield10%Jul 6SPLAN11,348$131.79$1.5M
Workday, Inc.WDAYDavid A. Duffield10%Jul 6SPLAN13,550$130.81$1.8M
Workday, Inc.WDAYDavid A. Duffield10%Jul 6SPLAN2,106$129.82$273K
Workday, Inc.WDAYDavid A. Duffield10%Jul 6CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVJun 30CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Jun 30SPLAN31,354$122.73$3.8M
Workday, Inc.WDAYDavid A. Duffield10%Jun 30SPLAN53,176$122.17$6.5M
Workday, Inc.WDAYDavid A. Duffield10%Jun 30SPLAN16,870$121.06$2.0M
Workday, Inc.WDAYDavid A. Duffield10%Jun 30SPLAN6,100$120.00$732K
Workday, Inc.WDAYDavid A. Duffield10%Jun 30CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVJun 25CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Jun 25SPLAN1,800$118.76$214K
Workday, Inc.WDAYDavid A. Duffield10%Jun 25SPLAN9,739$118.03$1.1M
Workday, Inc.WDAYDavid A. Duffield10%Jun 25SPLAN17,064$116.95$2.0M
Workday, Inc.WDAYDavid A. Duffield10%Jun 25SPLAN19,825$116.06$2.3M
Workday, Inc.WDAYDavid A. Duffield10%Jun 25SPLAN28,998$114.98$3.3M
Workday, Inc.WDAYDavid A. Duffield10%Jun 25SPLAN30,074$114.14$3.4M
Workday, Inc.WDAYDavid A. Duffield10%Jun 25CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVJun 22CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Jun 22SPLAN1,540$119.84$185K
Workday, Inc.WDAYDavid A. Duffield10%Jun 22SPLAN4,151$119.05$494K
Workday, Inc.WDAYDavid A. Duffield10%Jun 22SPLAN7,602$118.15$898K
Workday, Inc.WDAYDavid A. Duffield10%Jun 22SPLAN10,587$117.20$1.2M
Workday, Inc.WDAYDavid A. Duffield10%Jun 22SPLAN3,900$116.16$453K
Workday, Inc.WDAYDavid A. Duffield10%Jun 22SPLAN7,033$114.94$808K
Workday, Inc.WDAYDavid A. Duffield10%Jun 22SPLAN6,920$114.15$790K
Workday, Inc.WDAYDavid A. Duffield10%Jun 22SPLAN49,759$112.92$5.6M
Workday, Inc.WDAYDavid A. Duffield10%Jun 22SPLAN16,008$112.08$1.8M
Workday, Inc.WDAYDavid A. Duffield10%Jun 22CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVJun 17CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Jun 17SPLAN2,565$127.95$328K
Workday, Inc.WDAYDavid A. Duffield10%Jun 17SPLAN20,675$127.04$2.6M
Workday, Inc.WDAYDavid A. Duffield10%Jun 17SPLAN27,209$126.34$3.4M
Workday, Inc.WDAYDavid A. Duffield10%Jun 17SPLAN17,156$125.18$2.1M
Workday, Inc.WDAYDavid A. Duffield10%Jun 17SPLAN8,100$124.15$1.0M
Workday, Inc.WDAYDavid A. Duffield10%Jun 17SPLAN11,478$123.08$1.4M
Workday, Inc.WDAYDavid A. Duffield10%Jun 17SPLAN20,317$121.96$2.5M
Workday, Inc.WDAYDavid A. Duffield10%Jun 17CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVJun 12CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Jun 12SPLAN8,237$130.79$1.1M
Workday, Inc.WDAYDavid A. Duffield10%Jun 12SPLAN9,470$129.63$1.2M
Workday, Inc.WDAYDavid A. Duffield10%Jun 12SPLAN54,009$128.88$7.0M
Workday, Inc.WDAYDavid A. Duffield10%Jun 12SPLAN15,860$127.99$2.0M
Workday, Inc.WDAYDavid A. Duffield10%Jun 12SPLAN10,724$126.88$1.4M
Workday, Inc.WDAYDavid A. Duffield10%Jun 12SPLAN9,200$126.01$1.2M
Workday, Inc.WDAYDavid A. Duffield10%Jun 12CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVJun 9CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Jun 9SPLAN23,190$140.37$3.3M
Workday, Inc.WDAYDavid A. Duffield10%Jun 9SPLAN17,240$139.45$2.4M
Workday, Inc.WDAYDavid A. Duffield10%Jun 9SPLAN24,452$138.40$3.4M
Workday, Inc.WDAYDavid A. Duffield10%Jun 9SPLAN18,389$137.35$2.5M
Workday, Inc.WDAYDavid A. Duffield10%Jun 9SPLAN16,810$136.52$2.3M
Workday, Inc.WDAYDavid A. Duffield10%Jun 9SPLAN7,419$135.54$1.0M
Workday, Inc.WDAYDavid A. Duffield10%Jun 9CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVJun 4CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Jun 4SPLAN3,115$152.22$474K
Workday, Inc.WDAYDavid A. Duffield10%Jun 4SPLAN13,548$151.28$2.0M
Workday, Inc.WDAYDavid A. Duffield10%Jun 4SPLAN18,891$150.40$2.8M
Workday, Inc.WDAYDavid A. Duffield10%Jun 4SPLAN36,475$149.26$5.4M
Workday, Inc.WDAYDavid A. Duffield10%Jun 4SPLAN35,471$148.52$5.3M
Workday, Inc.WDAYDavid A. Duffield10%Jun 4CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVJun 1CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Jun 1SPLAN7,555$158.36$1.2M
Workday, Inc.WDAYDavid A. Duffield10%Jun 1SPLAN50,214$157.62$7.9M
Workday, Inc.WDAYDavid A. Duffield10%Jun 1SPLAN23,511$156.95$3.7M
Workday, Inc.WDAYDavid A. Duffield10%Jun 1SPLAN5,380$155.35$836K
Workday, Inc.WDAYDavid A. Duffield10%Jun 1SPLAN11,980$154.46$1.9M
Workday, Inc.WDAYDavid A. Duffield10%Jun 1SPLAN4,992$153.68$767K
Workday, Inc.WDAYDavid A. Duffield10%Jun 1SPLAN688$152.47$105K
Workday, Inc.WDAYDavid A. Duffield10%Jun 1SPLAN1,833$151.15$277K
Workday, Inc.WDAYDavid A. Duffield10%Jun 1SPLAN1,347$150.18$202K
Workday, Inc.WDAYDavid A. Duffield10%Jun 1CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVApr 9CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Apr 9SPLAN3,700$116.13$430K
Workday, Inc.WDAYDavid A. Duffield10%Apr 9SPLAN3,200$115.16$369K
Workday, Inc.WDAYDavid A. Duffield10%Apr 9SPLAN1,900$113.71$216K
Workday, Inc.WDAYDavid A. Duffield10%Apr 9SPLAN39,607$112.93$4.5M
Workday, Inc.WDAYDavid A. Duffield10%Apr 9SPLAN29,705$111.93$3.3M
Workday, Inc.WDAYDavid A. Duffield10%Apr 9SPLAN29,388$111.06$3.3M
Workday, Inc.WDAYDavid A. Duffield10%Apr 9CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVApr 6CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Apr 6SPLAN800$132.01$106K
Workday, Inc.WDAYDavid A. Duffield10%Apr 6SPLAN13,346$130.29$1.7M
Workday, Inc.WDAYDavid A. Duffield10%Apr 6SPLAN74,430$129.61$9.6M
Workday, Inc.WDAYDavid A. Duffield10%Apr 6SPLAN18,924$128.97$2.4M
Workday, Inc.WDAYDavid A. Duffield10%Apr 6CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVMar 31CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Mar 31SPLAN100$131.41$13K
Workday, Inc.WDAYDavid A. Duffield10%Mar 31SPLAN13,887$130.67$1.8M
Workday, Inc.WDAYDavid A. Duffield10%Mar 31SPLAN72,781$129.84$9.4M
Workday, Inc.WDAYDavid A. Duffield10%Mar 31SPLAN16,932$129.05$2.2M
Workday, Inc.WDAYDavid A. Duffield10%Mar 31SPLAN3,800$128.09$487K
Workday, Inc.WDAYDavid A. Duffield10%Mar 31CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVMar 26CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Mar 26SPLAN2,200$130.18$286K
Workday, Inc.WDAYDavid A. Duffield10%Mar 26SPLAN19,077$129.46$2.5M
Workday, Inc.WDAYDavid A. Duffield10%Mar 26SPLAN32,727$128.40$4.2M
Workday, Inc.WDAYDavid A. Duffield10%Mar 26SPLAN53,496$127.85$6.8M
Workday, Inc.WDAYDavid A. Duffield10%Mar 26CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVMar 23CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Mar 23SPLAN34,611$137.55$4.8M
Workday, Inc.WDAYDavid A. Duffield10%Mar 23SPLAN48,797$136.89$6.7M
Workday, Inc.WDAYDavid A. Duffield10%Mar 23SPLAN21,592$135.76$2.9M
Workday, Inc.WDAYDavid A. Duffield10%Mar 23SPLAN2,500$134.66$337K
Workday, Inc.WDAYDavid A. Duffield10%Mar 23CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVMar 18CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Mar 18SPLAN1,400$134.87$189K
Workday, Inc.WDAYDavid A. Duffield10%Mar 18SPLAN6,114$134.14$820K
Workday, Inc.WDAYDavid A. Duffield10%Mar 18SPLAN27,136$133.07$3.6M
Workday, Inc.WDAYDavid A. Duffield10%Mar 18SPLAN62,150$132.37$8.2M
Workday, Inc.WDAYDavid A. Duffield10%Mar 18SPLAN10,700$131.35$1.4M
Workday, Inc.WDAYDavid A. Duffield10%Mar 18CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVMar 13CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Mar 13SPLAN2,544$135.14$344K
Workday, Inc.WDAYDavid A. Duffield10%Mar 13SPLAN14,156$134.36$1.9M
Workday, Inc.WDAYDavid A. Duffield10%Mar 13SPLAN22,046$133.34$2.9M
Workday, Inc.WDAYDavid A. Duffield10%Mar 13SPLAN41,934$132.25$5.5M
Workday, Inc.WDAYDavid A. Duffield10%Mar 13SPLAN26,820$131.67$3.5M
Workday, Inc.WDAYDavid A. Duffield10%Mar 13CPLAN107,500$0.00—
Workday, Inc.WDAYDavid A. Duffield10%DERIVMar 10CPLAN107,500$0.00—?
Workday, Inc.WDAYDavid A. Duffield10%Mar 10SPLAN10$146.73$1K
Workday, Inc.WDAYDavid A. Duffield10%Mar 10SPLAN590$146.33$86K
Workday, Inc.WDAYDavid A. Duffield10%Mar 10SPLAN2,100$145.16$305K