Mr. David A. Duffield's Insider Trades & SAST Disclosures

Mr. David A. Duffield's most recent trade in Workday Inc - Ordinary Shares - Class A was a trade of 99,835 shares done . Disclosure was reported to the exchange on Oct. 9, 2026.

Stock Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 09 Oct 2026 99,835 204,884 (0%) 0% 0 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 186.36 per share. 09 Oct 2026 46,607 158,277 (0%) 0% 186.4 8,685,732 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 186.92 per share. 09 Oct 2026 14,294 143,983 (0%) 0% 186.9 2,671,764 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 188.19 per share. 09 Oct 2026 14,228 129,755 (0%) 0% 188.2 2,677,594 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 189.36 per share. 09 Oct 2026 12,732 117,023 (0%) 0% 189.4 2,410,974 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 190.13 per share. 09 Oct 2026 10,472 106,551 (0%) 0% 190.1 1,991,086 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 190.96 per share. 09 Oct 2026 1,502 105,049 (0%) 0% 191.0 286,825 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 06 Oct 2026 99,228 204,277 (0%) 0% 0 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 186.66 per share. 06 Oct 2026 45,984 145,209 (0%) 0% 186.7 8,583,245 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 188.64 per share. 06 Oct 2026 19,534 115,621 (0%) 0% 188.6 3,684,968 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 189.39 per share. 06 Oct 2026 10,572 105,049 (0%) 0% 189.4 2,002,262 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 185.86 per share. 06 Oct 2026 10,284 191,193 (0%) 0% 185.9 1,911,388 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 187.77 per share. 06 Oct 2026 10,054 135,155 (0%) 0% 187.8 1,887,802 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 184.80 per share. 06 Oct 2026 2,800 201,477 (0%) 0% 184.8 517,450 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 01 Oct 2026 98,446 203,495 (0%) 0% 0 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 186.55 per share. 01 Oct 2026 48,972 126,022 (0%) 0% 186.6 9,135,746 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 185.72 per share. 01 Oct 2026 14,166 174,994 (0%) 0% 185.7 2,630,968 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 184.69 per share. 01 Oct 2026 9,035 189,160 (0%) 0% 184.7 1,668,647 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 183.86 per share. 01 Oct 2026 5,300 198,195 (0%) 0% 183.9 974,483 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 187.50 per share. 01 Oct 2026 4,764 121,258 (0%) 0% 187.5 893,230 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 194.03 per share. 01 Oct 2026 4,600 106,549 (0%) 0% 194.0 892,533 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 191.48 per share. 01 Oct 2026 3,900 111,749 (0%) 0% 191.5 746,780 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 190.85 per share. 01 Oct 2026 3,800 115,649 (0%) 0% 190.8 725,222 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 188.34 per share. 01 Oct 2026 1,809 119,449 (0%) 0% 188.3 340,708 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 194.77 per share. 01 Oct 2026 1,500 105,049 (0%) 0% 194.8 292,149 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 192.26 per share. 01 Oct 2026 600 111,149 (0%) 0% 192.3 115,354 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 28 Sep 2026 98,971 204,020 (0%) 0% 0 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 188.94 per share. 28 Sep 2026 37,993 132,048 (0%) 0% 188.9 7,178,306 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 188.13 per share. 28 Sep 2026 23,779 170,041 (0%) 0% 188.1 4,473,529 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 189.84 per share. 28 Sep 2026 23,095 108,953 (0%) 0% 189.8 4,384,288 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 190.60 per share. 28 Sep 2026 3,904 105,049 (0%) 0% 190.6 744,115 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 183.88 per share. 28 Sep 2026 3,496 198,524 (0%) 0% 183.9 642,827 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 182.67 per share. 28 Sep 2026 2,000 202,020 (0%) 0% 182.7 365,336 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 184.67 per share. 28 Sep 2026 1,904 196,620 (0%) 0% 184.7 351,604 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 185.78 per share. 28 Sep 2026 1,700 194,920 (0%) 0% 185.8 315,824 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 186.80 per share. 28 Sep 2026 1,100 193,820 (0%) 0% 186.8 205,477 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 23 Sep 2026 99,613 204,662 (0%) 0% 0 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 192.10 per share. 23 Sep 2026 63,855 131,858 (0%) 0% 192.1 12,266,475 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 192.84 per share. 23 Sep 2026 24,934 106,924 (0%) 0% 192.8 4,808,283 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 190.95 per share. 23 Sep 2026 4,849 195,713 (0%) 0% 190.9 925,914 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 188.92 per share. 23 Sep 2026 2,324 202,338 (0%) 0% 188.9 439,039 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 193.62 per share. 23 Sep 2026 1,875 105,049 (0%) 0% 193.6 363,039 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 189.69 per share. 23 Sep 2026 1,776 200,562 (0%) 0% 189.7 336,891 -
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 18 Sep 2026 94,089 35,976,844 - - Class B Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 18 Sep 2026 94,089 199,138 (0%) 0% 0 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 194.91 per share. 18 Sep 2026 47,201 117,078 (0%) 0% 194.9 9,199,881 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 194.04 per share. 18 Sep 2026 34,859 164,279 (0%) 0% 194.0 6,763,953 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 195.73 per share. 18 Sep 2026 12,029 105,049 (0%) 0% 195.7 2,354,471 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 15 Sep 2026 96,545 36,070,933 - - Class B Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 15 Sep 2026 96,545 201,594 (0%) 0% 0 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 192.73 per share. 15 Sep 2026 26,152 132,792 (0%) 0% 192.7 5,040,387 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 190.71 per share. 15 Sep 2026 25,163 176,431 (0%) 0% 190.7 4,798,760 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 193.57 per share. 15 Sep 2026 23,875 108,917 (0%) 0% 193.6 4,621,572 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 191.63 per share. 15 Sep 2026 17,487 158,944 (0%) 0% 191.6 3,350,994 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 194.39 per share. 15 Sep 2026 3,868 105,049 (0%) 0% 194.4 751,909 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 10 Sep 2026 100,780 205,829 (0%) 0% 0 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 10 Sep 2026 100,780 36,167,478 - - Class B Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 184.33 per share. 10 Sep 2026 27,883 177,946 (0%) 0% 184.3 5,139,673 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 186.26 per share. 10 Sep 2026 24,465 129,930 (0%) 0% 186.3 4,556,954 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 184.98 per share. 10 Sep 2026 23,551 154,395 (0%) 0% 185.0 4,356,575 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 187.05 per share. 10 Sep 2026 22,388 107,542 (0%) 0% 187.0 4,187,671 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 187.75 per share. 10 Sep 2026 2,493 105,049 (0%) 0% 187.7 468,052 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 04 Sep 2026 90,615 195,664 (0%) 0% 0 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 04 Sep 2026 90,615 36,268,258 - - Class B Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 198.11 per share. 04 Sep 2026 31,605 144,152 (0%) 0% 198.1 6,261,251 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 198.87 per share. 04 Sep 2026 30,048 114,104 (0%) 0% 198.9 5,975,529 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 195.81 per share. 04 Sep 2026 13,666 181,998 (0%) 0% 195.8 2,675,904 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 199.91 per share. 04 Sep 2026 7,631 106,473 (0%) 0% 199.9 1,525,509 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 196.73 per share. 04 Sep 2026 6,241 175,757 (0%) 0% 196.7 1,227,764 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 201.75 per share. 04 Sep 2026 600 105,649 (0%) 0% 201.8 121,050 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 204.05 per share. 04 Sep 2026 600 105,049 (0%) 0% 204.1 122,430 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 200.58 per share. 04 Sep 2026 224 106,249 (0%) 0% 200.6 44,931 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 01 Sep 2026 94,961 200,010 (0%) 0% 0 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 01 Sep 2026 94,961 36,358,873 - - Class B Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 198.29 per share. 01 Sep 2026 36,729 159,245 (0%) 0% 198.3 7,282,946 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 199.01 per share. 01 Sep 2026 35,196 124,049 (0%) 0% 199.0 7,004,310 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 203.40 per share. 01 Sep 2026 6,199 107,049 (0%) 0% 203.4 1,260,893 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 200.14 per share. 01 Sep 2026 4,800 119,249 (0%) 0% 200.1 960,653 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 201.40 per share. 01 Sep 2026 4,100 115,149 (0%) 0% 201.4 825,747 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 197.38 per share. 01 Sep 2026 4,036 195,974 (0%) 0% 197.4 796,618 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 202.40 per share. 01 Sep 2026 1,901 113,248 (0%) 0% 202.4 384,755 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 204.28 per share. 01 Sep 2026 1,900 105,149 (0%) 0% 204.3 388,130 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 204.92 per share. 01 Sep 2026 100 105,049 (0%) 0% 204.9 20,492 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 09 Jul 2026 107,500 212,549 (0%) 0% 0 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 09 Jul 2026 107,500 36,453,834 - - Class B Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 137.19 per share. 09 Jul 2026 39,133 125,859 (0%) 0% 137.2 5,368,778 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 136.41 per share. 09 Jul 2026 27,858 164,992 (0%) 0% 136.4 3,800,143 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 138.34 per share. 09 Jul 2026 20,710 105,149 (0%) 0% 138.3 2,865,048 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 135.48 per share. 09 Jul 2026 14,299 192,850 (0%) 0% 135.5 1,937,261 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 132.07 per share. 09 Jul 2026 1,800 209,349 (0%) 0% 132.1 237,734 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 133.12 per share. 09 Jul 2026 1,700 207,649 (0%) 0% 133.1 226,305 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 130.63 per share. 09 Jul 2026 1,400 211,149 (0%) 0% 130.6 182,884 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 134.01 per share. 09 Jul 2026 500 207,149 (0%) 0% 134.0 67,006 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 138.98 per share. 09 Jul 2026 100 105,049 (0%) 0% 139.0 13,898 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 06 Jul 2026 107,500 212,549 (0%) 0% 0 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner 06 Jul 2026 107,500 36,561,334 - - Class B Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 137.75 per share. 06 Jul 2026 43,583 105,149 (0%) 0% 137.7 6,003,393 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 136.90 per share. 06 Jul 2026 15,869 148,732 (0%) 0% 136.9 2,172,433 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 130.81 per share. 06 Jul 2026 13,550 196,893 (0%) 0% 130.8 1,772,488 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 131.79 per share. 06 Jul 2026 11,348 185,545 (0%) 0% 131.8 1,495,545 Class A Common Stock
Workday (Class A)
Mr. David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 132.73 per share. 06 Jul 2026 7,953 177,592 (0%) 0% 132.7 1,055,598 Class A Common Stock
*All Values are in $ Million
Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc  
Security Type: Share/ Warrants / Convertible Debentures
Data as reported to USA Exchanges
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