USBoard
Person

David A. Duffield

Formerly Chairman · Director, Workday, Inc.

Current S&P 500 boards
0
Current roles
0
Open-market buys
$0
Open-market sales
$4.4B

Current roles

From Section 16 filings (Forms 3, 4 and 5) in the last 13 months.

No current S&P 500 role.

Past roles

“Last filing” is the latest Form 3/4/5 for that company, an upper bound on the end date.

Sits alongside

People who currently share a board or management team with this person.

No current colleagues on record.

Open-market trades

Purchases and sales reported on Form 4 at S&P 500 companies.

DateCompanyTypeSharesPriceValue
Oct 9, 2026WDAYSale46,607$186.36$8.7M
Oct 9, 2026WDAYSale14,294$186.92$2.7M
Oct 9, 2026WDAYSale14,228$188.19$2.7M
Oct 9, 2026WDAYSale12,732$189.36$2.4M
Oct 9, 2026WDAYSale10,472$190.13$2.0M
Oct 9, 2026WDAYSale1,502$190.96$287K
Oct 6, 2026WDAYSale2,800$184.80$517K
Oct 6, 2026WDAYSale10,284$185.86$1.9M
Oct 6, 2026WDAYSale45,984$186.66$8.6M
Oct 6, 2026WDAYSale10,054$187.77$1.9M
Oct 6, 2026WDAYSale19,534$188.64$3.7M
Oct 6, 2026WDAYSale10,572$189.39$2.0M
Oct 1, 2026WDAYSale5,300$183.86$974K
Oct 1, 2026WDAYSale9,035$184.69$1.7M
Oct 1, 2026WDAYSale14,166$185.72$2.6M
Oct 1, 2026WDAYSale48,972$186.55$9.1M
Oct 1, 2026WDAYSale4,764$187.50$893K
Oct 1, 2026WDAYSale1,809$188.34$341K
Oct 1, 2026WDAYSale3,800$190.85$725K
Oct 1, 2026WDAYSale3,900$191.48$747K
Oct 1, 2026WDAYSale600$192.26$115K
Oct 1, 2026WDAYSale4,600$194.03$893K
Oct 1, 2026WDAYSale1,500$194.77$292K
Sep 28, 2026WDAYSale23,095$189.84$4.4M
Sep 28, 2026WDAYSale3,904$190.60$744K
Sep 28, 2026WDAYSale2,000$182.67$365K
Sep 28, 2026WDAYSale3,496$183.88$643K
Sep 28, 2026WDAYSale1,904$184.67$352K
Sep 28, 2026WDAYSale1,700$185.78$316K
Sep 28, 2026WDAYSale1,100$186.80$205K
Sep 28, 2026WDAYSale23,779$188.13$4.5M
Sep 28, 2026WDAYSale37,993$188.94$7.2M
Sep 23, 2026WDAYSale1,875$193.62$363K
Sep 23, 2026WDAYSale2,324$188.92$439K
Sep 23, 2026WDAYSale1,776$189.69$337K
Sep 23, 2026WDAYSale4,849$190.95$926K
Sep 23, 2026WDAYSale24,934$192.84$4.8M
Sep 23, 2026WDAYSale63,855$192.10$12.3M
Sep 18, 2026WDAYSale12,029$195.73$2.4M
Sep 18, 2026WDAYSale34,859$194.04$6.8M
Sep 18, 2026WDAYSale47,201$194.91$9.2M
Sep 15, 2026WDAYSale17,487$191.63$3.4M
Sep 15, 2026WDAYSale3,868$194.39$752K
Sep 15, 2026WDAYSale23,875$193.57$4.6M
Sep 15, 2026WDAYSale26,152$192.73$5.0M
Sep 15, 2026WDAYSale25,163$190.71$4.8M
Sep 10, 2026WDAYSale27,883$184.33$5.1M
Sep 10, 2026WDAYSale23,551$184.98$4.4M
Sep 10, 2026WDAYSale24,465$186.26$4.6M
Sep 10, 2026WDAYSale22,388$187.05$4.2M
Sep 10, 2026WDAYSale2,493$187.75$468K
Sep 4, 2026WDAYSale13,666$195.81$2.7M
Sep 4, 2026WDAYSale600$204.05$122K
Sep 4, 2026WDAYSale600$201.75$121K
Sep 4, 2026WDAYSale224$200.59$45K
Sep 4, 2026WDAYSale7,631$199.91$1.5M
Sep 4, 2026WDAYSale30,048$198.87$6.0M
Sep 4, 2026WDAYSale31,605$198.11$6.3M
Sep 4, 2026WDAYSale6,241$196.73$1.2M
Sep 1, 2026WDAYSale4,036$197.38$797K
Sep 1, 2026WDAYSale36,729$198.29$7.3M
Sep 1, 2026WDAYSale35,196$199.01$7.0M
Sep 1, 2026WDAYSale100$204.92$20K
Sep 1, 2026WDAYSale4,100$201.40$826K
Sep 1, 2026WDAYSale1,901$202.40$385K
Sep 1, 2026WDAYSale6,199$203.40$1.3M
Sep 1, 2026WDAYSale1,900$204.28$388K
Sep 1, 2026WDAYSale4,800$200.14$961K
Jul 9, 2026WDAYSale100$138.98$14K
Jul 9, 2026WDAYSale500$134.01$67K
Jul 9, 2026WDAYSale14,299$135.48$1.9M
Jul 9, 2026WDAYSale27,858$136.41$3.8M
Jul 9, 2026WDAYSale39,133$137.19$5.4M
Jul 9, 2026WDAYSale20,710$138.34$2.9M
Jul 9, 2026WDAYSale1,800$132.07$238K
Jul 9, 2026WDAYSale1,400$130.63$183K
Jul 9, 2026WDAYSale1,700$133.12$226K
Jul 6, 2026WDAYSale7,953$132.73$1.1M
Jul 6, 2026WDAYSale2,106$129.82$273K
Jul 6, 2026WDAYSale13,550$130.81$1.8M
Jul 6, 2026WDAYSale11,348$131.79$1.5M
Jul 6, 2026WDAYSale100$138.30$14K
Jul 6, 2026WDAYSale2,476$133.99$332K
Jul 6, 2026WDAYSale7,098$134.65$956K
Jul 6, 2026WDAYSale3,417$135.80$464K
Jul 6, 2026WDAYSale15,869$136.90$2.2M
Jul 6, 2026WDAYSale43,583$137.75$6.0M
Jun 30, 2026WDAYSale31,354$122.73$3.8M
Jun 30, 2026WDAYSale53,176$122.17$6.5M
Jun 30, 2026WDAYSale16,870$121.06$2.0M
Jun 30, 2026WDAYSale6,100$120.00$732K
Jun 25, 2026WDAYSale19,825$116.06$2.3M
Jun 25, 2026WDAYSale1,800$118.76$214K
Jun 25, 2026WDAYSale9,739$118.03$1.1M
Jun 25, 2026WDAYSale30,074$114.14$3.4M
Jun 25, 2026WDAYSale28,998$114.98$3.3M
Jun 25, 2026WDAYSale17,064$116.95$2.0M
Jun 22, 2026WDAYSale16,008$112.08$1.8M
Jun 22, 2026WDAYSale4,151$119.05$494K
Jun 22, 2026WDAYSale7,602$118.15$898K

SEC reporting-owner ID (CIK) 938071 · all filings on EDGAR

David A. Duffield | USBoard