Insider Stock Trading History of Duffield David A


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Duffield David A since year 2005. The trader's CIK number is 938071. At the time of this reporting, Duffield David A is the Director of Workday, Inc. . (stock ticker symbol WDAY). See this page for all insider trading activities at Workday, Inc. .


Stock purchases, sales, and option exercises reported by insider Duffield David A since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-12-07 WDAY Workday, Inc. Sale 482,001 103.81 50,038,933
2017-10-16 WDAY Workday, Inc. Sale 4,024 107.78 433,698
2017-10-09 WDAY Workday, Inc. Sale 218,149 109.01 23,779,986
2017-10-10 WDAY Workday, Inc. Sale 175,974 109.03 19,186,973
2017-10-11 WDAY Workday, Inc. Sale 67,109 107.94 7,244,013
2017-09-07 WDAY Workday, Inc. Sale 319,727 109.52 35,015,222
2017-09-08 WDAY Workday, Inc. Sale 137,659 109.58 15,084,397
2017-08-15 WDAY Workday, Inc. Sale 3,150 101.95 321,136
2017-07-17 WDAY Workday, Inc. Sale 3,997 102.91 411,343
2017-07-07 WDAY Workday, Inc. Sale 268,454 96.96 26,030,373
2017-07-10 WDAY Workday, Inc. Sale 91,030 97.78 8,901,004
2017-06-07 WDAY Workday, Inc. Sale 232,570 102.35 23,803,772
2017-06-08 WDAY Workday, Inc. Sale 109,861 102.30 11,238,670
2017-05-15 WDAY Workday, Inc. Sale 3,010 93.71 282,064
2017-04-17 WDAY Workday, Inc. Sale 4,862 83.50 405,952
2017-04-11 WDAY Workday, Inc. Sale 210,865 81.45 17,174,743
2017-04-10 WDAY Workday, Inc. Sale 123,000 82.13 10,101,744
2017-04-07 WDAY Workday, Inc. Sale 94,624 82.66 7,821,714
2017-03-01 WDAY Workday, Inc. Sale 419,661 83.58 35,076,525
2017-02-15 WDAY Workday, Inc. Sale 2,641 85.85 226,721
2017-01-17 WDAY Workday, Inc. Sale 3,690 80.46 296,890
2016-12-16 WDAY Workday, Inc. Sale 112,056 68.93 7,723,683
2016-12-15 WDAY Workday, Inc. Sale 239,694 69.38 16,628,771
2016-12-05 WDAY Workday, Inc. Sale 400,000 72.92 29,167,600
2016-11-15 WDAY Workday, Inc. Sale 3,105 81.34 252,570
2016-11-15 WDAY Workday, Inc. Sale 3,105 81.34 252,570
2016-11-15 WDAY Workday, Inc. Sale 3,105 81.34 252,570
2016-10-17 WDAY Workday, Inc. Sale 3,687 86.36 318,405
2016-09-15 WDAY Workday, Inc. Sale 235,308 87.99 20,704,515
2016-09-16 WDAY Workday, Inc. Sale 116,442 88.32 10,284,390
2016-09-06 WDAY Workday, Inc. Sale 187,500 90.02 16,878,187
2016-08-26 WDAY Workday, Inc. Sale 242,565 83.47 20,246,172
2016-08-29 WDAY Workday, Inc. Sale 157,435 83.38 13,127,402
2016-08-15 WDAY Workday, Inc. Sale 3,124 83.70 261,475
2016-07-15 WDAY Workday, Inc. Sale 3,699 79.34 293,478
2016-06-15 WDAY Workday, Inc. Sale 172,365 80.91 13,945,879
2016-06-16 WDAY Workday, Inc. Sale 174,135 79.05 13,764,501
2016-06-02 WDAY Workday, Inc. Sale 400,000 77.85 31,139,600
2016-05-16 WDAY Workday, Inc. Sale 3,106 71.47 221,982
2016-04-15 WDAY Workday, Inc. Sale 3,764 76.53 288,040
2016-03-15 WDAY Workday, Inc. Sale 274,679 70.73 19,426,946
2016-03-16 WDAY Workday, Inc. Sale 75,321 71.03 5,349,749
2016-03-03 WDAY Workday, Inc. Sale 70,700 72.80 5,146,818
2016-03-02 WDAY Workday, Inc. Sale 329,300 71.47 23,535,400
2016-02-16 WDAY Workday, Inc. Sale 2,126 49.83 105,927
2015-11-27 WDAY Workday, Inc. Sale 49,021 83.24 4,080,508
2015-11-30 WDAY Workday, Inc. Sale 150,979 83.52 12,609,615
2015-11-16 WDAY Workday, Inc. Sale 2,087 79.14 165,154
2015-08-31 WDAY Workday, Inc. Sale 100,000 71.30 7,130,400
2015-08-28 WDAY Workday, Inc. Sale 100,000 73.59 7,359,300
2015-05-29 WDAY Workday, Inc. Sale 173,500 79.31 13,759,764
2015-02-27 WDAY Workday, Inc. Sale 173,500 87.22 15,133,016
2014-05-29 WDAY Workday, Inc. Sale 349,890 82.06 28,712,323
2014-05-30 WDAY Workday, Inc. Sale 164,493 79.21 13,029,326
2014-03-03 WDAY Workday, Inc. Sale 157,757 106.20 16,754,582
2014-02-28 WDAY Workday, Inc. Sale 360,514 110.60 39,873,569
2014-01-06 WDAY Workday, Inc. Sale 174,063 83.57 14,547,141
2013-12-02 WDAY Workday, Inc. Sale 238,795 81.03 19,350,275
2013-12-03 WDAY Workday, Inc. Sale 109,331 78.80 8,614,954
2013-09-18 WDAY Workday, Inc. Sale 175,378 80.77 14,165,456
2013-08-30 WDAY Workday, Inc. Sale 77,494 73.44 5,690,849
2013-09-03 WDAY Workday, Inc. Sale 222,483 73.58 16,369,186
2013-09-04 WDAY Workday, Inc. Sale 50,779 73.27 3,720,424

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 (Director of Workday, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.