The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Duffield David A since 2015.
This trader's CIK number is 938071.
At the time of last reporting, Duffield David A was the Officer of Workday, Inc.. (stock ticker symbol WDAY).
Also see all insider trading activities at Workday, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | WDAY | 0 | $0 | 1,006,602 | $245,285,873 | 0 | $0 |
| 2024 | WDAY | 0 | $0 | 2,083,789 | $518,971,227 | 0 | $0 |
| 2023 | WDAY | 0 | $0 | 325,000 | $79,755,178 | 0 | $0 |
| 2022 | WDAY | 0 | $0 | 1,022,521 | $229,282,177 | 0 | $0 |
| 2021 | WDAY | 0 | $0 | 2,236,235 | $563,550,389 | 0 | $0 |
| 2020 | WDAY | 0 | $0 | 2,503,830 | $458,228,607 | 0 | $0 |
| 2019 | WDAY | 0 | $0 | 2,930,472 | $530,239,654 | 253,351 | $0 |
| 2018 | WDAY | 0 | $0 | 3,042,643 | $402,786,462 | 0 | $0 |
| 2017 | WDAY | 0 | $0 | 2,976,058 | $292,875,873 | 0 | $0 |
| 2016 | WDAY | 0 | $0 | 3,216,321 | $249,316,630 | 0 | $0 |
| 2015 | WDAY | 0 | $0 | 749,087 | $60,237,757 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-09-02 | WDAY | Sale | 75,817 | 228.28 | 17,307,428 |
| 2025-07-08 | WDAY | Sale | 72,551 | 240.06 | 17,416,375 |
| 2025-07-01 | WDAY | Sale | 72,917 | 239.07 | 17,432,340 |
| 2025-06-24 | WDAY | Sale | 73,971 | 239.03 | 17,681,362 |
| 2025-06-17 | WDAY | Sale | 71,240 | 244.81 | 17,440,193 |
| 2025-06-16 | WDAY | Sale | 15,000 | 245.77 | 3,686,490 |
| 2025-06-02 | WDAY | Sale | 70,648 | 246.25 | 17,397,211 |
| 2025-04-08 | WDAY | Sale | 81,275 | 214.53 | 17,435,681 |
| 2025-03-24 | WDAY | Sale | 70,144 | 250.71 | 17,585,732 |
| 2025-03-14 | WDAY | Sale | 15,000 | 242.91 | 3,643,680 |
| 2025-03-17 | WDAY | Sale | 71,672 | 248.42 | 17,804,829 |
| 2025-03-03 | WDAY | Sale | 66,455 | 259.67 | 17,256,369 |
| 2025-01-13 | WDAY | Sale | 56,000 | 246.45 | 13,801,088 |
| 2025-01-08 | WDAY | Sale | 70,090 | 254.49 | 17,837,414 |
| 2025-01-06 | WDAY | Sale | 56,000 | 255.06 | 14,283,248 |
| 2025-01-02 | WDAY | Sale | 67,822 | 254.73 | 17,276,433 |
| 2024-12-30 | WDAY | Sale | 56,000 | 261.92 | 14,667,632 |
| 2024-12-18 | WDAY | Sale | 57,000 | 274.48 | 15,645,188 |
| 2024-12-16 | WDAY | Sale | 63,946 | 274.93 | 17,580,545 |
| 2024-12-02 | WDAY | Sale | 70,003 | 250.52 | 17,537,011 |
| 2024-10-14 | WDAY | Sale | 56,000 | 241.66 | 13,532,792 |
| 2024-10-07 | WDAY | Sale | 56,000 | 238.45 | 13,353,032 |
| 2024-10-08 | WDAY | Sale | 74,320 | 237.33 | 17,638,662 |
| 2024-10-01 | WDAY | Sale | 71,601 | 240.53 | 17,222,474 |
| 2024-09-30 | WDAY | Sale | 56,000 | 243.50 | 13,636,280 |
| 2024-09-23 | WDAY | Sale | 56,000 | 246.61 | 13,810,272 |
| 2024-09-18 | WDAY | Sale | 57,000 | 247.52 | 14,108,811 |
| 2024-09-16 | WDAY | Sale | 69,986 | 250.43 | 17,526,663 |
| 2024-09-03 | WDAY | Sale | 66,492 | 262.37 | 17,445,705 |
| 2024-07-12 | WDAY | Sale | 56,000 | 228.27 | 12,783,120 |
| 2024-07-08 | WDAY | Sale | 76,376 | 226.27 | 17,281,521 |
| 2024-07-05 | WDAY | Sale | 56,000 | 227.35 | 12,731,488 |
| 2024-06-28 | WDAY | Sale | 56,000 | 223.87 | 12,536,552 |
| 2024-07-01 | WDAY | Sale | 78,279 | 222.73 | 17,435,081 |
| 2024-06-21 | WDAY | Sale | 56,000 | 218.20 | 12,219,312 |
| 2024-06-17 | WDAY | Sale | 83,541 | 210.36 | 17,573,517 |
| 2024-06-14 | WDAY | Sale | 57,000 | 209.24 | 11,926,794 |
| 2024-06-03 | WDAY | Sale | 82,762 | 209.76 | 17,359,826 |
| 2024-04-12 | WDAY | Sale | 56,000 | 265.73 | 14,881,103 |
| 2024-04-05 | WDAY | Sale | 56,000 | 267.59 | 14,984,984 |
| 2024-04-08 | WDAY | Sale | 65,221 | 268.61 | 17,519,012 |
| 2024-03-22 | WDAY | Sale | 56,000 | 276.70 | 15,495,424 |
| 2024-03-15 | WDAY | Sale | 64,329 | 268.76 | 17,288,869 |
| 2024-03-18 | WDAY | Sale | 57,000 | 271.58 | 15,480,231 |
| 2024-03-01 | WDAY | Sale | 59,391 | 292.49 | 17,371,332 |
| 2024-01-10 | WDAY | Sale | 63,448 | 276.98 | 17,573,953 |
| 2024-01-12 | WDAY | Sale | 62,731 | 280.89 | 17,620,259 |
| 2024-01-08 | WDAY | Sale | 65,839 | 269.89 | 17,769,419 |
| 2024-01-05 | WDAY | Sale | 65,524 | 266.08 | 17,434,363 |
| 2023-12-11 | WDAY | Sale | 108,333 | 277.27 | 30,037,924 |
| 2023-09-11 | WDAY | Sale | 108,333 | 250.55 | 27,143,266 |
| 2023-06-12 | WDAY | Sale | 108,334 | 208.37 | 22,573,988 |
| 2022-09-15 | WDAY | Sale | 102,500 | 157.64 | 16,157,997 |
| 2022-06-15 | WDAY | Sale | 102,500 | 142.85 | 14,642,330 |
| 2022-04-01 | WDAY | Sale | 209,657 | 239.15 | 50,138,423 |
| 2022-03-15 | WDAY | Sale | 102,500 | 220.05 | 22,555,022 |
| 2022-03-02 | WDAY | Sale | 204,376 | 243.01 | 49,666,433 |
| 2022-01-04 | WDAY | Sale | 300,988 | 252.91 | 76,121,972 |
| 2021-12-15 | WDAY | Sale | 108,900 | 274.42 | 29,884,120 |
| 2021-12-01 | WDAY | Sale | 280,777 | 267.45 | 75,094,931 |
| 2021-10-01 | WDAY | Sale | 298,688 | 250.95 | 74,955,156 |
| 2021-09-15 | WDAY | Sale | 108,900 | 269.27 | 29,323,394 |
| 2021-09-01 | WDAY | Sale | 274,565 | 273.76 | 75,164,639 |
| 2021-06-15 | WDAY | Sale | 108,900 | 231.23 | 25,181,273 |
| 2021-06-01 | WDAY | Sale | 331,170 | 227.13 | 75,217,317 |
| 2021-04-01 | WDAY | Sale | 196,548 | 255.89 | 50,295,453 |
| 2021-03-16 | WDAY | Sale | 108,900 | 257.52 | 28,043,819 |
| 2021-03-01 | WDAY | Sale | 200,124 | 249.13 | 49,856,691 |
| 2021-01-04 | WDAY | Sale | 218,763 | 231.00 | 50,533,596 |
| 2020-12-15 | WDAY | Sale | 78,750 | 222.42 | 17,515,890 |
| 2020-12-01 | WDAY | Sale | 220,952 | 226.61 | 50,069,048 |
| 2020-10-01 | WDAY | Sale | 227,685 | 219.94 | 50,077,038 |
| 2020-09-15 | WDAY | Sale | 78,750 | 209.66 | 16,510,803 |
| 2020-09-01 | WDAY | Sale | 207,272 | 241.59 | 50,075,049 |
| 2020-07-01 | WDAY | Sale | 262,181 | 189.99 | 49,811,768 |
| 2020-06-15 | WDAY | Sale | 78,750 | 175.03 | 13,783,612 |
| 2020-06-01 | WDAY | Sale | 278,379 | 179.59 | 49,992,971 |
| 2020-04-15 | WDAY | Sale | 177 | 145.32 | 25,722 |
| 2020-04-01 | WDAY | Sale | 407,442 | 123.49 | 50,316,234 |
| 2020-03-16 | WDAY | Sale | 78,750 | 123.40 | 9,717,828 |
| 2020-03-02 | WDAY | Sale | 293,430 | 171.74 | 50,393,668 |
| 2020-01-15 | WDAY | Sale | 210 | 179.48 | 37,689 |
| 2020-01-07 | WDAY | Sale | 291,102 | 171.42 | 49,901,287 |
| 2019-12-12 | WDAY | Sale | 175,000 | 161.51 | 28,263,550 |
| 2019-12-05 | WDAY | Sale | 309,986 | 162.73 | 50,443,711 |
| 2019-10-15 | WDAY | Sale | 271 | 184.71 | 50,057 |
| 2019-10-02 | WDAY | Sale | 300,785 | 166.59 | 50,108,073 |
| 2019-09-12 | WDAY | Sale | 175,000 | 172.20 | 30,135,175 |
| 2019-09-04 | WDAY | Sale | 286,859 | 175.50 | 50,342,320 |
| 2019-07-15 | WDAY | Sale | 281 | 219.67 | 61,727 |
| 2019-07-08 | WDAY | Sale | 233,914 | 213.56 | 49,955,141 |
| 2019-06-13 | WDAY | Sale | 175,000 | 208.39 | 36,468,600 |
| 2019-06-05 | WDAY | Option Ex | 253,351 | .00 | 0 |
| 2019-06-05 | WDAY | Sale | 253,351 | 197.65 | 50,075,838 |
| 2019-05-15 | WDAY | Sale | 1,054 | 205.21 | 216,291 |
| 2019-04-15 | WDAY | Sale | 1,124 | 192.95 | 216,875 |
| 2019-04-03 | WDAY | Sale | 258,774 | 193.40 | 50,045,597 |
| 2019-03-15 | WDAY | Sale | 175,000 | 186.48 | 32,634,175 |
| 2019-03-04 | WDAY | Sale | 278,758 | 182.69 | 50,926,299 |
| 2019-01-15 | WDAY | Sale | 911 | 164.91 | 150,233 |
| 2019-01-07 | WDAY | Sale | 304,404 | 164.74 | 50,145,992 |
| 2018-12-07 | WDAY | Sale | 309,667 | 163.00 | 50,474,172 |
| 2018-10-15 | WDAY | Sale | 1,434 | 127.45 | 182,766 |
| 2018-10-08 | WDAY | Sale | 374,488 | 134.60 | 50,406,084 |
| 2018-09-07 | WDAY | Sale | 344,430 | 145.27 | 50,036,034 |
| 2018-07-16 | WDAY | Sale | 1,437 | 134.00 | 192,558 |
| 2018-07-09 | WDAY | Sale | 392,758 | 127.60 | 50,115,920 |
| 2018-06-06 | WDAY | Sale | 389,988 | 128.72 | 50,199,255 |
| 2018-05-15 | WDAY | Sale | 1,189 | 132.92 | 158,041 |
| 2018-04-16 | WDAY | Sale | 3,641 | 127.13 | 462,891 |
| 2018-04-05 | WDAY | Sale | 397,053 | 126.59 | 50,264,130 |
| 2018-03-07 | WDAY | Sale | 365,300 | 136.62 | 49,906,920 |
| 2018-01-16 | WDAY | Sale | 2,762 | 111.34 | 307,532 |
| 2018-01-08 | WDAY | Sale | 321,333 | 109.10 | 35,057,108 |
| 2018-01-09 | WDAY | Sale | 137,163 | 109.53 | 15,023,051 |
| 2017-12-07 | WDAY | Sale | 482,001 | 103.81 | 50,038,933 |
| 2017-10-16 | WDAY | Sale | 4,024 | 107.78 | 433,698 |
| 2017-10-09 | WDAY | Sale | 218,149 | 109.01 | 23,779,986 |
| 2017-10-10 | WDAY | Sale | 175,974 | 109.03 | 19,186,973 |
| 2017-10-11 | WDAY | Sale | 67,109 | 107.94 | 7,244,013 |
| 2017-09-07 | WDAY | Sale | 319,727 | 109.52 | 35,015,222 |
| 2017-09-08 | WDAY | Sale | 137,659 | 109.58 | 15,084,397 |
| 2017-08-15 | WDAY | Sale | 3,150 | 101.95 | 321,136 |
| 2017-07-17 | WDAY | Sale | 3,997 | 102.91 | 411,343 |
| 2017-07-10 | WDAY | Sale | 91,030 | 97.78 | 8,901,004 |
| 2017-07-07 | WDAY | Sale | 268,454 | 96.96 | 26,030,373 |
| 2017-06-07 | WDAY | Sale | 232,570 | 102.35 | 23,803,772 |
| 2017-06-08 | WDAY | Sale | 109,861 | 102.30 | 11,238,670 |
| 2017-05-15 | WDAY | Sale | 3,010 | 93.71 | 282,064 |
| 2017-04-17 | WDAY | Sale | 4,862 | 83.50 | 405,952 |
| 2017-04-11 | WDAY | Sale | 210,865 | 81.45 | 17,174,743 |
| 2017-04-10 | WDAY | Sale | 123,000 | 82.13 | 10,101,744 |
| 2017-04-07 | WDAY | Sale | 94,624 | 82.66 | 7,821,714 |
| 2017-03-01 | WDAY | Sale | 419,661 | 83.58 | 35,076,525 |
| 2017-02-15 | WDAY | Sale | 2,641 | 85.85 | 226,721 |
| 2017-01-17 | WDAY | Sale | 3,690 | 80.46 | 296,890 |
| 2016-12-16 | WDAY | Sale | 112,056 | 68.93 | 7,723,683 |
| 2016-12-15 | WDAY | Sale | 239,694 | 69.38 | 16,628,771 |
| 2016-12-05 | WDAY | Sale | 400,000 | 72.92 | 29,167,600 |
| 2016-11-15 | WDAY | Sale | 3,105 | 81.34 | 252,570 |
| 2016-11-15 | WDAY | Sale | 3,105 | 81.34 | 252,570 |
| 2016-11-15 | WDAY | Sale | 3,105 | 81.34 | 252,570 |
| 2016-10-17 | WDAY | Sale | 3,687 | 86.36 | 318,405 |
| 2016-09-15 | WDAY | Sale | 235,308 | 87.99 | 20,704,515 |
| 2016-09-16 | WDAY | Sale | 116,442 | 88.32 | 10,284,390 |
| 2016-09-06 | WDAY | Sale | 187,500 | 90.02 | 16,878,187 |
| 2016-08-29 | WDAY | Sale | 157,435 | 83.38 | 13,127,402 |
| 2016-08-26 | WDAY | Sale | 242,565 | 83.47 | 20,246,172 |
| 2016-08-15 | WDAY | Sale | 3,124 | 83.70 | 261,475 |
| 2016-07-15 | WDAY | Sale | 3,699 | 79.34 | 293,478 |
| 2016-06-15 | WDAY | Sale | 172,365 | 80.91 | 13,945,879 |
| 2016-06-16 | WDAY | Sale | 174,135 | 79.05 | 13,764,501 |
| 2016-06-02 | WDAY | Sale | 400,000 | 77.85 | 31,139,600 |
| 2016-05-16 | WDAY | Sale | 3,106 | 71.47 | 221,982 |
| 2016-04-15 | WDAY | Sale | 3,764 | 76.53 | 288,040 |
| 2016-03-15 | WDAY | Sale | 274,679 | 70.73 | 19,426,946 |
| 2016-03-16 | WDAY | Sale | 75,321 | 71.03 | 5,349,749 |
| 2016-03-03 | WDAY | Sale | 70,700 | 72.80 | 5,146,818 |
| 2016-03-02 | WDAY | Sale | 329,300 | 71.47 | 23,535,400 |
| 2016-02-16 | WDAY | Sale | 2,126 | 49.83 | 105,927 |
| 2015-11-30 | WDAY | Sale | 150,979 | 83.52 | 12,609,615 |
| 2015-11-27 | WDAY | Sale | 49,021 | 83.24 | 4,080,508 |
| 2015-11-16 | WDAY | Sale | 2,087 | 79.14 | 165,154 |
| 2015-08-31 | WDAY | Sale | 100,000 | 71.30 | 7,130,400 |
| 2015-08-28 | WDAY | Sale | 100,000 | 73.59 | 7,359,300 |
| 2015-05-29 | WDAY | Sale | 173,500 | 79.31 | 13,759,764 |
| 2015-02-27 | WDAY | Sale | 173,500 | 87.22 | 15,133,016 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Duffield David A (Officer of Workday, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.