Duffield David Ainsider trades
In SEC Form 4 filings, Duffield David A is listed as 10% owner of Workday, Inc. (WDAY). In the last 90 days, Duffield David A sold $186.00M of Workday, Inc. (WDAY) on the open market and bought none. All 68 sales were reported under a 10b5-1 trading plan.
Companies and roles
| Company | Role | Transactions | Last filed |
|---|---|---|---|
| WDAYWorkday, Inc. | 10% owner | 88 | Oct 13 |
Cluster buys
No cluster buy in the last 90 days included a purchase by this insider (two or more insiders buying within 14 days).
Form 4 historysince 2026-09-03
| Company | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| WDAYWorkday, Inc. | Oct 9 | Oct 13 | C | 99,835 | $0.00 | $0 | 204,884 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 9 | Oct 13 | S | 46,607 | $186.36 | Sale −$8,685,732 | 158,277 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 9 | Oct 13 | S | 14,294 | $186.92 | Sale −$2,671,764 | 143,983 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 9 | Oct 13 | S | 14,228 | $188.19 | Sale −$2,677,594 | 129,755 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 9 | Oct 13 | S | 12,732 | $189.36 | Sale −$2,410,974 | 117,023 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 9 | Oct 13 | S | 10,472 | $190.13 | Sale −$1,991,086 | 106,551 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 9 | Oct 13 | S | 1,502 | $190.96 | Sale −$286,825 | 105,049 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 9 | Oct 13 | C · derivative | 99,835 | $0.00 | $0 | 35,480,751 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 6 | Oct 7 | C | 99,228 | $0.00 | $0 | 204,277 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 6 | Oct 7 | S | 2,800 | $184.80 | Sale −$517,450 | 201,477 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 6 | Oct 7 | S | 10,284 | $185.86 | Sale −$1,911,388 | 191,193 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 6 | Oct 7 | S | 45,984 | $186.66 | Sale −$8,583,245 | 145,209 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 6 | Oct 7 | S | 10,054 | $187.77 | Sale −$1,887,802 | 135,155 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 6 | Oct 7 | S | 19,534 | $188.64 | Sale −$3,684,968 | 115,621 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 6 | Oct 7 | S | 10,572 | $189.39 | Sale −$2,002,262 | 105,049 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 6 | Oct 7 | C · derivative | 99,228 | $0.00 | $0 | 35,580,586 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 1 | Oct 5 | C | 98,446 | $0.00 | $0 | 203,495 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 1 | Oct 5 | S | 5,300 | $183.86 | Sale −$974,483 | 198,195 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 1 | Oct 5 | S | 9,035 | $184.69 | Sale −$1,668,647 | 189,160 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 1 | Oct 5 | S | 14,166 | $185.72 | Sale −$2,630,968 | 174,994 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 1 | Oct 5 | S | 48,972 | $186.55 | Sale −$9,135,746 | 126,022 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 1 | Oct 5 | S | 4,764 | $187.50 | Sale −$893,230 | 121,258 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 1 | Oct 5 | S | 1,809 | $188.34 | Sale −$340,708 | 119,449 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 1 | Oct 5 | S | 3,800 | $190.85 | Sale −$725,222 | 115,649 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 1 | Oct 5 | S | 3,900 | $191.48 | Sale −$746,780 | 111,749 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 1 | Oct 5 | S | 600 | $192.26 | Sale −$115,354 | 111,149 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 1 | Oct 5 | S | 4,600 | $194.03 | Sale −$892,533 | 106,549 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 1 | Oct 5 | S | 1,500 | $194.77 | Sale −$292,149 | 105,049 | Yes | Form 4 |
| WDAYWorkday, Inc. | Oct 1 | Oct 5 | C · derivative | 98,446 | $0.00 | $0 | 35,679,814 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 28 | Sep 30 | C | 98,971 | $0.00 | $0 | 204,020 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 28 | Sep 30 | S | 2,000 | $182.67 | Sale −$365,336 | 202,020 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 28 | Sep 30 | S | 3,496 | $183.88 | Sale −$642,827 | 198,524 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 28 | Sep 30 | S | 1,904 | $184.67 | Sale −$351,604 | 196,620 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 28 | Sep 30 | S | 1,700 | $185.78 | Sale −$315,824 | 194,920 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 28 | Sep 30 | S | 1,100 | $186.80 | Sale −$205,477 | 193,820 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 28 | Sep 30 | S | 23,779 | $188.13 | Sale −$4,473,529 | 170,041 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 28 | Sep 30 | S | 37,993 | $188.94 | Sale −$7,178,306 | 132,048 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 28 | Sep 30 | S | 23,095 | $189.84 | Sale −$4,384,288 | 108,953 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 28 | Sep 30 | S | 3,904 | $190.60 | Sale −$744,115 | 105,049 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 28 | Sep 30 | C · derivative | 98,971 | $0.00 | $0 | 35,778,260 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 23 | Sep 24 | C | 99,613 | $0.00 | $0 | 204,662 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 23 | Sep 24 | S | 2,324 | $188.92 | Sale −$439,039 | 202,338 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 23 | Sep 24 | S | 1,776 | $189.69 | Sale −$336,891 | 200,562 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 23 | Sep 24 | S | 4,849 | $190.95 | Sale −$925,914 | 195,713 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 23 | Sep 24 | S | 63,855 | $192.10 | Sale −$12,266,475 | 131,858 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 23 | Sep 24 | S | 24,934 | $192.84 | Sale −$4,808,283 | 106,924 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 23 | Sep 24 | S | 1,875 | $193.62 | Sale −$363,039 | 105,049 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 23 | Sep 24 | C · derivative | 99,613 | $0.00 | $0 | 35,877,231 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 18 | Sep 21 | C | 94,089 | $0.00 | $0 | 199,138 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 18 | Sep 21 | S | 34,859 | $194.04 | Sale −$6,763,953 | 164,279 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 18 | Sep 21 | S | 47,201 | $194.91 | Sale −$9,199,881 | 117,078 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 18 | Sep 21 | S | 12,029 | $195.73 | Sale −$2,354,471 | 105,049 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 18 | Sep 21 | C · derivative | 94,089 | $0.00 | $0 | 35,976,844 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 15 | Sep 17 | C | 96,545 | $0.00 | $0 | 201,594 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 15 | Sep 17 | S | 25,163 | $190.71 | Sale −$4,798,760 | 176,431 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 15 | Sep 17 | S | 17,487 | $191.63 | Sale −$3,350,994 | 158,944 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 15 | Sep 17 | S | 26,152 | $192.73 | Sale −$5,040,387 | 132,792 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 15 | Sep 17 | S | 23,875 | $193.57 | Sale −$4,621,572 | 108,917 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 15 | Sep 17 | S | 3,868 | $194.39 | Sale −$751,909 | 105,049 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 15 | Sep 17 | C · derivative | 96,545 | $0.00 | $0 | 36,070,933 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 10 | Sep 14 | C | 100,780 | $0.00 | $0 | 205,829 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 10 | Sep 14 | S | 27,883 | $184.33 | Sale −$5,139,673 | 177,946 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 10 | Sep 14 | S | 23,551 | $184.98 | Sale −$4,356,575 | 154,395 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 10 | Sep 14 | S | 24,465 | $186.26 | Sale −$4,556,954 | 129,930 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 10 | Sep 14 | S | 22,388 | $187.05 | Sale −$4,187,671 | 107,542 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 10 | Sep 14 | S | 2,493 | $187.75 | Sale −$468,052 | 105,049 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 10 | Sep 14 | C · derivative | 100,780 | $0.00 | $0 | 36,167,478 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 4 | Sep 9 | C | 90,615 | $0.00 | $0 | 195,664 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 4 | Sep 9 | S | 13,666 | $195.81 | Sale −$2,675,904 | 181,998 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 4 | Sep 9 | S | 6,241 | $196.73 | Sale −$1,227,764 | 175,757 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 4 | Sep 9 | S | 31,605 | $198.11 | Sale −$6,261,251 | 144,152 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 4 | Sep 9 | S | 30,048 | $198.87 | Sale −$5,975,529 | 114,104 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 4 | Sep 9 | S | 7,631 | $199.91 | Sale −$1,525,509 | 106,473 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 4 | Sep 9 | S | 224 | $200.59 | Sale −$44,931 | 106,249 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 4 | Sep 9 | S | 600 | $201.75 | Sale −$121,050 | 105,649 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 4 | Sep 9 | S | 600 | $204.05 | Sale −$122,430 | 105,049 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 4 | Sep 9 | C · derivative | 90,615 | $0.00 | $0 | 36,268,258 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 1 | Sep 3 | C | 94,961 | $0.00 | $0 | 200,010 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 1 | Sep 3 | S | 4,036 | $197.38 | Sale −$796,618 | 195,974 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 1 | Sep 3 | S | 36,729 | $198.29 | Sale −$7,282,946 | 159,245 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 1 | Sep 3 | S | 35,196 | $199.01 | Sale −$7,004,310 | 124,049 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 1 | Sep 3 | S | 4,800 | $200.14 | Sale −$960,653 | 119,249 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 1 | Sep 3 | S | 4,100 | $201.40 | Sale −$825,747 | 115,149 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 1 | Sep 3 | S | 1,901 | $202.40 | Sale −$384,755 | 113,248 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 1 | Sep 3 | S | 6,199 | $203.40 | Sale −$1,260,893 | 107,049 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 1 | Sep 3 | S | 1,900 | $204.28 | Sale −$388,130 | 105,149 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 1 | Sep 3 | S | 100 | $204.92 | Sale −$20,492 | 105,049 | Yes | Form 4 |
| WDAYWorkday, Inc. | Sep 1 | Sep 3 | C · derivative | 94,961 | $0.00 | $0 | 36,358,873 | Yes | Form 4 |
Published from this insider's public Form 4 filings on SEC EDGAR; the name is shown as filed. Named in a filing and want this page removed? See the privacy policy.