Insiders · Profile

DUFFIELD DAVID A

10% owner at Workday. Filing since 30 Aug 2013. CIK 0000938071

Company
Date
Role
Action
Shares
Amount
Of holding
6 Oct 2026
10% owner
Sold on a plan
99,228
$18.59M
48.6%
1 Oct 2026
10% owner
Sold on a plan
98,446
$18.42M
48.4%
28 Sep 2026
10% owner
Sold on a plan
98,971
$18.66M
48.5%
23 Sep 2026
10% owner
Sold on a plan
99,613
$19.14M
48.7%
18 Sep 2026
10% owner
Sold on a plan
94,089
$18.32M
47.2%
15 Sep 2026
10% owner
Sold on a plan
96,545
$18.56M
47.9%
10 Sep 2026
10% owner
Sold on a plan
100,780
$18.71M
49.0%
4 Sep 2026
10% owner
Sold on a plan
90,615
$17.95M
46.3%
1 Sep 2026
10% owner
Sold on a plan
94,961
$18.92M
47.5%
9 Jul 2026
10% owner
Sold on a plan
107,500
$14.70M
50.6%
6 Jul 2026
10% owner
Sold on a plan
107,500
$14.54M
50.6%
30 Jun 2026
10% owner
Sold on a plan
107,500
$13.12M
50.6%
25 Jun 2026
10% owner
Sold on a plan
107,500
$12.43M
50.6%
22 Jun 2026
10% owner
Sold on a plan
107,500
$12.28M
50.6%
17 Jun 2026
10% owner
Sold on a plan
107,500
$13.44M
50.6%
12 Jun 2026
10% owner
Sold on a plan
107,500
$13.82M
50.6%
9 Jun 2026
10% owner
Sold on a plan
107,500
$14.87M
50.6%
4 Jun 2026
10% owner
Sold on a plan
107,500
$16.08M
50.6%
1 Jun 2026
10% owner
Sold on a plan
107,500
$16.84M
50.6%
9 Apr 2026
10% owner
Sold on a plan
107,500
$12.08M
50.6%
6 Apr 2026
10% owner
Sold on a plan
107,500
$13.93M
50.6%
31 Mar 2026
10% owner
Sold on a plan
107,500
$13.95M
50.6%
26 Mar 2026
10% owner
Sold on a plan
107,500
$13.80M
50.6%
23 Mar 2026
10% owner
Sold on a plan
107,500
$14.71M
50.6%
18 Mar 2026
10% owner
Sold on a plan
107,500
$14.25M
50.6%
13 Mar 2026
10% owner
Sold on a plan
107,500
$14.26M
50.6%
10 Mar 2026
10% owner
Sold on a plan
107,500
$15.28M
50.6%
5 Mar 2026
10% owner
Sold on a plan
107,500
$15.82M
50.6%
2 Mar 2026
10% owner
Sold on a plan
107,500
$14.45M
50.6%
8 Jan 2026
10% owner
Sold on a plan
82,884
$17.39M
44.1%
2 Jan 2026
10% owner
Sold on a plan
81,479
$16.73M
43.7%
23 Dec 2025
10% owner
Sold on a plan
80,279
$17.26M
43.3%
16 Dec 2025
10% owner
Sold on a plan
81,434
$17.59M
43.7%
2 Dec 2025
10% owner
Sold on a plan
82,025
$17.40M
43.8%
8 Oct 2025
10% owner
Sold on a plan
75,053
$17.74M
42.2%
1 Oct 2025
10% owner
Sold on a plan
72,696
$17.09M
41.4%
23 Sep 2025
10% owner
Sold on a plan
72,118
$17.42M
41.2%
16 Sep 2025
10% owner
Sold on a plan
78,564
$17.29M
43.3%
15 Sep 2025
10% owner
Sold on a plan
15,000
$3.33M
50.0%
2 Sep 2025
10% owner
Sold on a plan
75,817
$17.30M
42.4%
8 Jul 2025
10% owner
Sold on a plan
72,551
$17.38M
41.3%
1 Jul 2025
10% owner
Sold on a plan
72,917
$17.42M
41.5%
24 Jun 2025
10% owner
Sold on a plan
73,971
$17.65M
41.8%
17 Jun 2025
10% owner
Sold on a plan
71,240
$17.40M
40.9%
16 Jun 2025
10% owner
Sold on a plan
15,000
$3.68M
33.3%
2 Jun 2025
10% owner
Sold on a plan
70,648
$17.44M
40.7%
8 Apr 2025
10% owner
Sold on a plan
81,275
$17.45M
44.1%
1 Apr 2025
10% owner
Sold on a plan
74,937
$17.46M
42.1%
24 Mar 2025
10% owner
Sold on a plan
70,144
$17.55M
40.5%
17 Mar 2025
10% owner
Sold on a plan
71,672
$17.82M
41.0%
14 Mar 2025
10% owner
Sold on a plan
15,000
$3.65M
25.0%
3 Mar 2025
10% owner
Sold on a plan
66,455
$17.25M
39.2%
13 Jan 2025
10% owner
Sold on a plan
56,000
$13.80M
48.3%
8 Jan 2025
10% owner
Sold on a plan
70,090
$17.84M
40.5%
6 Jan 2025
10% owner
Sold on a plan
56,000
$14.22M
32.6%
2 Jan 2025
10% owner
Sold on a plan
67,822
$17.15M
39.7%
30 Dec 2024
10% owner
Sold on a plan
56,000
$14.66M
24.6%
23 Dec 2024
10% owner
Sold on a plan
56,000
$14.88M
19.7%
18 Dec 2024
10% owner
Sold on a plan
57,000
$15.69M
16.7%
16 Dec 2024
10% owner
Sold on a plan
63,946
$17.68M
38.3%
2 Dec 2024
10% owner
Sold on a plan
70,003
$17.59M
40.5%
14 Oct 2024
10% owner
Sold on a plan
56,000
$13.55M
16.6%
8 Oct 2024
10% owner
Sold on a plan
74,320
$17.72M
41.9%
7 Oct 2024
10% owner
Sold on a plan
56,000
$13.27M
14.2%
1 Oct 2024
10% owner
Sold on a plan
71,601
$17.23M
41.0%
30 Sep 2024
10% owner
Sold on a plan
56,000
$13.61M
12.5%
23 Sep 2024
10% owner
Sold on a plan
56,000
$13.74M
11.1%
18 Sep 2024
10% owner
Sold on a plan
57,000
$14.11M
10.1%
16 Sep 2024
10% owner
Sold on a plan
69,986
$17.44M
40.5%
3 Sep 2024
10% owner
Sold on a plan
66,492
$17.37M
39.2%
12 Jul 2024
10% owner
Sold on a plan
56,000
$12.84M
9.1%
8 Jul 2024
10% owner
Sold on a plan
76,376
$17.32M
42.6%
5 Jul 2024
10% owner
Sold on a plan
56,000
$12.77M
8.3%
1 Jul 2024
10% owner
Sold on a plan
78,279
$17.53M
43.2%
28 Jun 2024
10% owner
Sold on a plan
56,000
$12.53M
7.7%
21 Jun 2024
10% owner
Sold on a plan
56,000
$12.24M
7.1%
17 Jun 2024
10% owner
Sold on a plan
83,541
$17.69M
44.8%
14 Jun 2024
10% owner
Sold on a plan
57,000
$11.92M
6.8%
3 Jun 2024
10% owner
Sold on a plan
82,762
$17.40M
44.6%
12 Apr 2024
10% owner
Sold on a plan
56,000
$14.83M
6.2%
8 Apr 2024
10% owner
Sold on a plan
65,221
$17.50M
38.8%
5 Apr 2024
10% owner
Sold on a plan
56,000
$15.01M
5.9%
1 Apr 2024
10% owner
Sold on a plan
64,162
$17.43M
38.4%
1 Apr 2024
10% owner
Sold on a plan
56,000
$15.21M
5.5%
22 Mar 2024
10% owner
Sold on a plan
56,000
$15.51M
5.2%
18 Mar 2024
10% owner
Sold on a plan
57,000
$15.50M
5.1%
15 Mar 2024
10% owner
Sold on a plan
64,329
$17.29M
38.4%
1 Mar 2024
10% owner
Sold on a plan
59,391
$17.31M
36.6%
12 Jan 2024
10% owner
Sold on a plan
62,731
$17.66M
37.9%
10 Jan 2024
10% owner
Sold on a plan
63,448
$17.58M
38.1%
8 Jan 2024
10% owner
Sold on a plan
65,839
$17.93M
39.0%
5 Jan 2024
10% owner
Sold on a plan
65,524
$17.41M
38.9%
11 Dec 2023
10% owner
Sold on a plan
108,333
$30.00M
8.8%
11 Sep 2023
10% owner
Sold on a plan
108,333
$27.15M
50.0%
12 Jun 2023
10% owner
Sold on a plan
108,334
$22.57M
33.3%
15 Dec 2022
10% owner
Sold, plan not stated
102,500
$17.97M
24.0%
15 Sep 2022
10% owner
Sold, plan not stated
102,500
$16.02M
50.0%
15 Jun 2022
10% owner
Sold, plan not stated
102,500
$14.62M
33.3%
1 Apr 2022
10% owner
Sold, plan not stated
209,657
$50.01M
66.8%
15 Mar 2022
10% owner
Sold, plan not stated
102,500
$22.53M
25.0%
2 Mar 2022
10% owner
Sold, plan not stated
204,376
$50.01M
66.2%
4 Jan 2022
Director
Sold, plan not stated
300,988
$75.01M
74.2%
15 Dec 2021
Director
Sold, plan not stated
108,900
$29.85M
21.0%
1 Dec 2021
Director
Sold, plan not stated
280,777
$75.01M
72.9%
1 Oct 2021
Director
Sold, plan not stated
298,688
$75.01M
74.1%
15 Sep 2021
Director
Sold, plan not stated
108,900
$29.33M
50.0%
1 Sep 2021
Director
Sold, plan not stated
274,565
$75.01M
72.5%
1 Jul 2021
Director
Sold, plan not stated
318,822
$75.01M
75.3%
15 Jun 2021
Director
Sold, plan not stated
108,900
$25.19M
33.3%
1 Jun 2021
Director
Sold, plan not stated
331,170
$75.01M
76.3%
1 Apr 2021
Director
Sold, plan not stated
196,548
$50.01M
65.6%
16 Mar 2021
Director
Sold, plan not stated
108,900
$28.03M
25.0%
1 Mar 2021
Director
Sold, plan not stated
200,124
$50.01M
66.0%
4 Jan 2021
Director
Sold, plan not stated
218,763
$50.01M
68.0%
15 Dec 2020
Director
Sold, plan not stated
78,750
$17.42M
15.3%
1 Dec 2020
Director
Sold, plan not stated
220,952
$50.01M
68.2%
1 Oct 2020
Director
Sold, plan not stated
227,685
$50.01M
68.9%
15 Sep 2020
Director
Sold, plan not stated
78,750
$16.39M
50.0%
1 Sep 2020
Director
Sold, plan not stated
207,272
$50.01M
66.8%
1 Jul 2020
Director
Sold, plan not stated
262,181
$50.01M
71.8%
15 Jun 2020
Director
Sold, plan not stated
78,750
$13.87M
33.3%
1 Jun 2020
Director
Sold, plan not stated
278,379
$50.01M
73.4%
15 Apr 2020
Director
Sold, plan not stated
177
$25.72K
0.2%
1 Apr 2020
Director
Sold, plan not stated
407,442
$50.01M
80.1%
16 Mar 2020
Director
Sold, plan not stated
78,750
$9.63M
25.0%
2 Mar 2020
Director
Sold, plan not stated
293,430
$50.01M
74.4%
15 Jan 2020
Director
Sold, plan not stated
210
$37.69K
0.2%
7 Jan 2020
Director
Sold, plan not stated
291,102
$50.01M
74.2%
12 Dec 2019
Director
Sold, plan not stated
175,000
$28.11M
35.7%
5 Dec 2019
Director
Sold, plan not stated
309,986
$50.01M
75.3%
15 Oct 2019
Director
Sold, plan not stated
271
$50.06K
0.3%
2 Oct 2019
Director
Sold, plan not stated
300,785
$50.01M
74.6%
12 Sep 2019
Director
Sold, plan not stated
175,000
$30.05M
50.0%
4 Sep 2019
Director
Sold, plan not stated
286,859
$50.01M
73.7%
15 Jul 2019
Director
Sold, plan not stated
281
$61.73K
0.3%
8 Jul 2019
Director
Sold, plan not stated
233,914
$50.01M
69.5%
13 Jun 2019
Director
Sold, plan not stated
175,000
$36.45M
33.3%
5 Jun 2019
Director
Sold, plan not stated
253,351
$49.96M
71.5%
15 May 2019
Director
Sold, plan not stated
1,054
$216.29K
1.0%
15 Apr 2019
Director
Sold, plan not stated
1,124
$216.89K
1.1%
3 Apr 2019
Director
Sold, plan not stated
258,774
$50.01M
71.5%
15 Mar 2019
Director
Sold, plan not stated
175,000
$32.58M
25.0%
4 Mar 2019
Director
Sold, plan not stated
278,758
$50.01M
73.0%
15 Jan 2019
Director
Sold, plan not stated
911
$150.23K
0.9%
7 Jan 2019
Director
Sold, plan not stated
304,404
$50.01M
74.6%
7 Dec 2018
Director
Sold, plan not stated
309,667
$50.01M
74.0%
15 Oct 2018
Director
Sold, plan not stated
1,434
$182.47K
1.3%
8 Oct 2018
Director
Sold, plan not stated
374,488
$50.01M
77.2%
7 Sep 2018
Director
Sold, plan not stated
344,430
$50.01M
75.7%
16 Jul 2018
Director
Sold, plan not stated
1,437
$191.59K
1.3%
9 Jul 2018
Director
Sold, plan not stated
392,758
$50.01M
77.8%
6 Jun 2018
Director
Sold, plan not stated
389,988
$50.01M
78.1%
15 May 2018
Director
Sold, plan not stated
1,189
$158.04K
1.1%
16 Apr 2018
Director
Sold, plan not stated
3,641
$462.89K
3.2%
5 Apr 2018
Director
Sold, plan not stated
397,053
$50.01M
77.7%
7 Mar 2018
Director
Sold, plan not stated
365,300
$50.01M
76.2%
16 Jan 2018
Director
Sold, plan not stated
2,762
$306.53K
2.4%
9 Jan 2018
Director
Sold, plan not stated
137,163
$15.00M
54.0%
8 Jan 2018
Director
Sold, plan not stated
321,333
$35.01M
73.3%
7 Dec 2017
Director
Sold, plan not stated
482,001
$50.02M
80.5%
16 Oct 2017
Director
Bought
3,424
$367.69K
3.0%
16 Oct 2017
Director
Sold, plan not stated
600
$64.90K
0.5%
11 Oct 2017
Director
Sold, plan not stated
67,109
$7.21M
35.7%
10 Oct 2017
Director
Sold, plan not stated
175,974
$19.09M
59.3%
9 Oct 2017
Director
Sold, plan not stated
218,149
$23.71M
64.4%
8 Sep 2017
Director
Sold, plan not stated
137,659
$15.00M
53.3%
7 Sep 2017
Director
Sold, plan not stated
319,727
$35.01M
72.6%
15 Aug 2017
Director
Sold, plan not stated
3,150
$320.24K
2.5%
17 Jul 2017
Director
Sold, plan not stated
3,997
$410.46K
3.1%
10 Jul 2017
Director
Sold, plan not stated
91,030
$8.92M
41.6%
7 Jul 2017
Director
Sold, plan not stated
268,454
$26.09M
67.7%
8 Jun 2017
Director
Sold, plan not stated
109,861
$11.24M
46.8%
7 Jun 2017
Director
Sold, plan not stated
232,570
$23.77M
65.0%
15 May 2017
Director
Sold, plan not stated
3,010
$284.32K
2.4%
17 Apr 2017
Director
Sold, plan not stated
4,862
$404.89K
3.7%
11 Apr 2017
Director
Sold, plan not stated
210,865
$17.09M
61.3%
10 Apr 2017
Director
Sold, plan not stated
123,000
$10.10M
48.1%
7 Apr 2017
Director
Sold, plan not stated
94,624
$7.82M
41.6%
1 Mar 2017
Director
Sold, plan not stated
419,661
$35.01M
76.0%
15 Feb 2017
Director
Sold, plan not stated
2,641
$226.72K
1.9%
17 Jan 2017
Chairman
Sold, plan not stated
3,690
$296.53K
2.7%
16 Dec 2016
Chairman
Sold, plan not stated
112,056
$7.72M
100%
15 Dec 2016
Chairman
Sold, plan not stated
239,694
$16.57M
95.2%
5 Dec 2016
Chairman
Sold, plan not stated
400,000
$29.28M
74.2%
15 Nov 2016
Chairman
Sold, plan not stated
3,105
$251.86K
2.2%
17 Oct 2016
Chairman
Sold, plan not stated
3,687
$318.41K
2.5%
16 Sep 2016
Chairman
Sold, plan not stated
116,442
$10.30M
24.9%
15 Sep 2016
Chairman
Sold, plan not stated
235,308
$20.73M
33.4%
6 Sep 2016
Chairman
Sold, plan not stated
187,500
$16.88M
56.2%
29 Aug 2016
Chairman
Sold, plan not stated
157,435
$13.13M
51.9%
26 Aug 2016
Chairman
Sold, plan not stated
242,565
$20.20M
44.4%
15 Aug 2016
Chairman
Sold, plan not stated
3,124
$261.26K
2.1%
15 Jul 2016
Chairman
Sold, plan not stated
3,699
$292.46K
2.4%
16 Jun 2016
Chairman
Sold, plan not stated
174,135
$13.75M
19.8%
15 Jun 2016
Chairman
Sold, plan not stated
172,365
$13.93M
16.4%
2 Jun 2016
Chairman
Sold, plan not stated
400,000
$31.03M
100%
16 May 2016
Chairman
Sold, plan not stated
3,106
$221.02K
2.0%
15 Apr 2016
Chairman
Sold, plan not stated
3,764
$286.46K
2.4%
16 Mar 2016
Chairman
Sold, plan not stated
75,321
$5.34M
6.7%
15 Mar 2016
Chairman
Sold, plan not stated
274,679
$19.26M
19.6%
3 Mar 2016
Chairman
Sold, plan not stated
70,700
$5.17M
100%
2 Mar 2016
Chairman
Sold, plan not stated
329,300
$23.47M
82.3%
16 Feb 2016
Chairman
Sold, plan not stated
2,126
$105.93K
1.4%
30 Nov 2015
Chairman
Sold, plan not stated
150,979
$12.58M
100%
27 Nov 2015
Chairman
Sold, plan not stated
49,021
$4.08M
24.5%
16 Nov 2015
Chairman
Sold, plan not stated
2,087
$165.15K
1.4%
31 Aug 2015
Chairman
Sold, plan not stated
100,000
$7.10M
67.3%
28 Aug 2015
Chairman
Sold, plan not stated
100,000
$7.30M
61.8%
29 May 2015
Chairman
Sold, plan not stated
173,500
$13.72M
51.8%
27 Feb 2015
Chairman
Sold, plan not stated
173,500
$15.00M
51.8%
30 May 2014
Chairman
Sold, plan not stated
164,493
$12.92M
54.0%
29 May 2014
Chairman
Sold, plan not stated
349,890
$28.43M
71.4%
3 Mar 2014
Co-Chief Executive Officer
Sold, plan not stated
157,757
$16.75M
56.7%
28 Feb 2014
Co-Chief Executive Officer
Sold, plan not stated
360,514
$39.65M
75.0%
6 Jan 2014
Co-Chief Executive Officer
Sold, plan not stated
174,063
$14.55M
59.1%
3 Dec 2013
Co-Chief Executive Officer
Sold, plan not stated
109,331
$8.60M
47.6%
2 Dec 2013
Co-Chief Executive Officer
Sold, plan not stated
238,795
$19.24M
66.5%
18 Sep 2013
Co-Chief Executive Officer
Sold, plan not stated
175,378
$14.12M
68.6%
4 Sep 2013
Co-Chief Executive Officer
Sold, plan not stated
50,779
$3.72M
38.8%
3 Sep 2013
Co-Chief Executive Officer
Sold, plan not stated
222,483
$16.33M
84.7%
30 Aug 2013
Co-Chief Executive Officer
Sold, plan not stated
77,494
$5.65M
65.9%
221 decisions on file.