David A. Duffield's Insider Trades & SAST Disclosures

David A. Duffield's most recent trade in Workday Inc - Ordinary Shares - Class A was a trade of 72,118 Class B Common Stock done . Disclosure was reported to the exchange on Sept. 23, 2025.

Stock Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
Workday
David A. Duffield Ten Percent Owner 23 Sep 2025 72,118 41,694,684 - - Class B Common Stock
Workday
David A. Duffield Ten Percent Owner 23 Sep 2025 72,118 175,115 (0%) 0% 0 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 240.27 per share. 23 Sep 2025 26,608 148,507 (0%) 0% 240.3 6,393,176 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 241.13 per share. 23 Sep 2025 15,405 133,102 (0%) 0% 241.1 3,714,637 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 243.21 per share. 23 Sep 2025 13,006 109,098 (0%) 0% 243.2 3,163,183 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 242.05 per share. 23 Sep 2025 10,998 122,104 (0%) 0% 242.0 2,662,030 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 243.93 per share. 23 Sep 2025 5,901 103,197 (0%) 0% 243.9 1,439,444 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 244.66 per share. 23 Sep 2025 200 102,997 (0%) 0% 244.7 48,932 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 15 Sep 2025 78,564 41,766,802 - - Class B Common Stock
Workday
David A. Duffield Ten Percent Owner 15 Sep 2025 78,564 181,561 (0%) 0% 0 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 218.99 per share. 15 Sep 2025 30,941 150,620 (0%) 0% 219.0 6,775,915 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 220.10 per share. 15 Sep 2025 19,758 130,862 (0%) 0% 220.1 4,348,789 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 220.78 per share. 15 Sep 2025 19,560 111,302 (0%) 0% 220.8 4,318,476 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 221.00 per share. 15 Sep 2025 4,502 25,498 (0%) 0% 221.0 994,959 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 222.90 per share. 15 Sep 2025 4,323 16,969 (0%) 0% 222.9 963,602 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 222.10 per share. 15 Sep 2025 4,206 21,292 (0%) 0% 222.1 934,139 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 221.96 per share. 15 Sep 2025 3,803 107,499 (0%) 0% 222.0 844,128 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 223.78 per share. 15 Sep 2025 2,500 102,997 (0%) 0% 223.8 559,447 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 223.20 per share. 15 Sep 2025 2,002 105,497 (0%) 0% 223.2 446,848 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 223.88 per share. 15 Sep 2025 1,969 15,000 (0%) 0% 223.9 440,816 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 02 Sep 2025 75,817 178,814 (0%) 0% 0 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 02 Sep 2025 75,817 41,845,366 - - Class B Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 228.28 per share. 02 Sep 2025 40,825 114,597 (0%) 0% 228.3 9,319,604 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 227.50 per share. 02 Sep 2025 23,392 155,422 (0%) 0% 227.5 5,321,591 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 229.06 per share. 02 Sep 2025 11,600 102,997 (0%) 0% 229.1 2,657,072 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 08 Jul 2025 72,551 175,548 (0%) 0% 0 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 08 Jul 2025 72,551 41,921,183 - - Class B Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 240.53 per share. 08 Jul 2025 24,379 110,954 (0%) 0% 240.5 5,863,859 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 239.81 per share. 08 Jul 2025 13,864 135,333 (0%) 0% 239.8 3,324,675 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 237.76 per share. 08 Jul 2025 13,638 161,910 (0%) 0% 237.8 3,242,544 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 238.36 per share. 08 Jul 2025 12,713 149,197 (0%) 0% 238.4 3,030,239 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 241.57 per share. 08 Jul 2025 7,157 103,797 (0%) 0% 241.6 1,728,940 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 242.32 per share. 08 Jul 2025 800 102,997 (0%) 0% 242.3 193,854 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 01 Jul 2025 72,917 175,914 (0%) 0% 0 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 01 Jul 2025 72,917 41,993,734 - - Class B Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 239.08 per share. 01 Jul 2025 46,591 110,930 (0%) 0% 239.1 11,138,995 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 238.25 per share. 01 Jul 2025 15,911 157,521 (0%) 0% 238.3 3,790,859 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 240.13 per share. 01 Jul 2025 6,620 104,310 (0%) 0% 240.1 1,589,690 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 237.10 per share. 01 Jul 2025 2,482 173,432 (0%) 0% 237.1 588,481 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 240.78 per share. 01 Jul 2025 1,313 102,997 (0%) 0% 240.8 316,150 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 24 Jun 2025 73,971 176,968 (0%) 0% 0 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 24 Jun 2025 73,971 42,066,651 - - Class B Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 238.97 per share. 24 Jun 2025 42,793 104,347 (0%) 0% 239.0 10,226,354 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 238.16 per share. 24 Jun 2025 29,828 147,140 (0%) 0% 238.2 7,103,768 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 239.96 per share. 24 Jun 2025 1,350 102,997 (0%) 0% 240.0 323,949 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 16 Jun 2025 71,240 42,140,622 - - Class B Common Stock
Workday
David A. Duffield Ten Percent Owner 16 Jun 2025 71,240 174,237 (0%) 0% 0 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 242.82 per share. 16 Jun 2025 27,561 146,676 (0%) 0% 242.8 6,692,398 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 245.98 per share. 16 Jun 2025 21,560 103,597 (0%) 0% 246.0 5,303,415 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 244.84 per share. 16 Jun 2025 12,856 125,157 (0%) 0% 244.8 3,147,723 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 243.92 per share. 16 Jun 2025 8,663 138,013 (0%) 0% 243.9 2,113,057 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 245.25 per share. 16 Jun 2025 6,775 33,995 (0%) 0% 245.2 1,661,542 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 244.39 per share. 16 Jun 2025 4,230 40,770 (0%) 0% 244.4 1,033,757 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 246.34 per share. 16 Jun 2025 3,330 30,665 (0%) 0% 246.3 820,319 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 247.09 per share. 16 Jun 2025 665 30,000 (0%) 0% 247.1 164,315 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 246.48 per share. 16 Jun 2025 600 102,997 (0%) 0% 246.5 147,888 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 02 Jun 2025 70,648 173,645 (0%) 0% 0 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 02 Jun 2025 70,648 42,211,862 - - Class B Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 247.30 per share. 02 Jun 2025 38,764 110,824 (0%) 0% 247.3 9,586,221 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 246.30 per share. 02 Jun 2025 14,085 149,588 (0%) 0% 246.3 3,469,185 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 247.95 per share. 02 Jun 2025 7,827 102,997 (0%) 0% 248.0 1,940,719 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 245.43 per share. 02 Jun 2025 5,972 163,673 (0%) 0% 245.4 1,465,692 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 244.28 per share. 02 Jun 2025 4,000 169,645 (0%) 0% 244.3 977,116 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 08 Apr 2025 81,275 184,272 (0%) 0% 0 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 08 Apr 2025 81,275 42,282,510 - - Class B Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 216.59 per share. 08 Apr 2025 13,511 124,063 (0%) 0% 216.6 2,926,397 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 217.62 per share. 08 Apr 2025 11,543 112,520 (0%) 0% 217.6 2,511,946 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 214.68 per share. 08 Apr 2025 10,303 145,593 (0%) 0% 214.7 2,211,891 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 210.34 per share. 08 Apr 2025 9,821 166,191 (0%) 0% 210.3 2,065,708 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 215.52 per share. 08 Apr 2025 8,019 137,574 (0%) 0% 215.5 1,728,271 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 218.67 per share. 08 Apr 2025 6,313 106,207 (0%) 0% 218.7 1,380,443 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 213.65 per share. 08 Apr 2025 5,895 155,896 (0%) 0% 213.6 1,259,453 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 209.34 per share. 08 Apr 2025 5,360 176,012 (0%) 0% 209.3 1,122,051 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 211.45 per share. 08 Apr 2025 3,100 163,091 (0%) 0% 211.5 655,510 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 208.49 per share. 08 Apr 2025 2,900 181,372 (0%) 0% 208.5 604,622 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 219.46 per share. 08 Apr 2025 2,210 103,997 (0%) 0% 219.5 484,997 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 212.39 per share. 08 Apr 2025 1,300 161,791 (0%) 0% 212.4 276,101 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 220.66 per share. 08 Apr 2025 1,000 102,997 (0%) 0% 220.7 220,662 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 01 Apr 2025 74,937 177,934 (0%) 0% 0 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 01 Apr 2025 74,937 42,363,785 - - Class B Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 232.61 per share. 01 Apr 2025 23,122 137,834 (0%) 0% 232.6 5,378,475 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 234.29 per share. 01 Apr 2025 19,856 102,997 (0%) 0% 234.3 4,651,979 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 233.52 per share. 01 Apr 2025 14,981 122,853 (0%) 0% 233.5 3,498,392 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 231.61 per share. 01 Apr 2025 11,261 160,956 (0%) 0% 231.6 2,608,205 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 230.63 per share. 01 Apr 2025 5,717 172,217 (0%) 0% 230.6 1,318,493 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 24 Mar 2025 70,144 173,141 (0%) 0% 0 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 24 Mar 2025 70,144 42,438,722 - - Class B Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 250.27 per share. 24 Mar 2025 26,730 121,516 (0%) 0% 250.3 6,689,650 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 249.31 per share. 24 Mar 2025 24,895 148,246 (0%) 0% 249.3 6,206,694 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 250.99 per share. 24 Mar 2025 10,612 110,904 (0%) 0% 251.0 2,663,552 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 252.26 per share. 24 Mar 2025 7,907 102,997 (0%) 0% 252.3 1,994,606 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner 14 Mar 2025 71,672 42,508,866 - - Class B Common Stock
Workday
David A. Duffield Ten Percent Owner 14 Mar 2025 71,672 174,669 (0%) 0% 0 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 246.51 per share. 14 Mar 2025 17,133 148,967 (0%) 0% 246.5 4,223,396 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 251.44 per share. 14 Mar 2025 13,334 104,707 (0%) 0% 251.4 3,352,758 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 247.55 per share. 14 Mar 2025 12,612 136,355 (0%) 0% 247.5 3,122,059 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 250.78 per share. 14 Mar 2025 12,029 118,041 (0%) 0% 250.8 3,016,666 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 245.76 per share. 14 Mar 2025 7,669 166,100 (0%) 0% 245.8 1,884,766 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 243.64 per share. 14 Mar 2025 6,547 48,352 (0%) 0% 243.6 1,595,089 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 249.55 per share. 14 Mar 2025 4,320 130,070 (0%) 0% 249.5 1,078,040 Class A Common Stock
Workday
David A. Duffield Ten Percent Owner Sale of securities on an exchange or to another person at price $ 244.45 per share. 14 Mar 2025 3,052 45,300 (0%) 0% 244.4 746,057 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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