David Duffield

Track

Insider profile

Currently holds a position at Workday Inc

Performance

Overall performance
3.8
Performance over holding periods
3.8
30 days 90 days 120 days
Average return 3% 8.2% 15.1%
Success rate 57% 68% 82%
Transactions
24 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Chairman of the Board Workday Inc May 13, 2014 -
Co-Chief Executive Officer, Director Workday Inc Jan. 1, 2012 - May 13, 2014
Chairman of the Board, Co-Chief Executive Officer Workday Inc Sept. 1, 2009 - Jan. 1, 2012
David Duffield's trades of Workday Inc's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-13 2026-07-09
US Workday Inc (WDAY)
PlS Planned sale
14,789 -31.1%
396.08
US$2,506,682 		14,789 -31.1% 396.08 US$2,506,682
2026-07-13 2026-07-09
US Workday Inc (WDAY)
PlS Planned sale
87,806 +20.2%
402.05
US$3,705,652 		87,806 +20.2% 402.05 US$3,705,652
2026-07-13 2026-07-09
US Workday Inc (WDAY)
PlS Planned sale
14,142 -2.3%
471.48
US$1,962,508 		14,142 -2.3% 471.48 US$1,962,508
2026-07-13 2026-07-09
US Workday Inc (WDAY)
PlS Planned sale
27,858 -14.4%
136.41
US$3,800,143 		27,858 -14.4% 136.41 US$3,800,143
2026-07-13 2026-07-09
US Workday Inc (WDAY)
PlS Planned sale
14,299 -6.9%
135.48
US$1,937,261 		14,299 -6.9% 135.48 US$1,937,261
2026-07-13 2026-07-09
US Workday Inc (WDAY)
PlS Planned sale
500 -0.2%
134.01
US$67,006 		500 -0.2% 134.01 US$67,006
2026-07-13 2026-07-09
US Workday Inc (WDAY)
PlS Planned sale
1,700 -0.8%
133.12
US$226,305 		1,700 -0.8% 133.12 US$226,305
2026-07-13 2026-07-09
US Workday Inc (WDAY)
PlS Planned sale
1,800 -0.9%
132.07
US$237,734 		1,800 -0.9% 132.07 US$237,734
2026-07-13 2026-07-09
US Workday Inc (WDAY)
PlS Planned sale
1,400 -0.7%
130.63
US$182,884 		1,400 -0.7% 130.63 US$182,884
2026-07-09 2026-07-09
US Workday Inc (WDAY)
PrS Proposed sale
107,500
137.88
US$14,822,100 		107,500 137.88 US$14,822,100
2026-07-07 2026-07-06
US Workday Inc (WDAY)
PlS Planned sale
100 -0.1%
138.30
US$13,830 		100 -0.1% 138.30 US$13,830
2026-07-07 2026-07-06
US Workday Inc (WDAY)
PlS Planned sale
43,583 -29.3%
137.75
US$6,003,393 		43,583 -29.3% 137.75 US$6,003,393
2026-07-07 2026-07-06
US Workday Inc (WDAY)
PlS Planned sale
15,869 -9.6%
136.90
US$2,172,433 		15,869 -9.6% 136.90 US$2,172,433
2026-07-07 2026-07-06
US Workday Inc (WDAY)
PlS Planned sale
3,417 -2.0%
135.80
US$464,031 		3,417 -2.0% 135.80 US$464,031
2026-07-07 2026-07-06
US Workday Inc (WDAY)
PlS Planned sale
7,098 -4.1%
134.65
US$955,773 		7,098 -4.1% 134.65 US$955,773
2026-07-07 2026-07-06
US Workday Inc (WDAY)
PlS Planned sale
2,476 -1.4%
133.99
US$331,768 		2,476 -1.4% 133.99 US$331,768
2026-07-07 2026-07-06
US Workday Inc (WDAY)
PlS Planned sale
7,953 -4.3%
132.73
US$1,055,598 		7,953 -4.3% 132.73 US$1,055,598
2026-07-07 2026-07-06
US Workday Inc (WDAY)
PlS Planned sale
11,348 -5.8%
131.79
US$1,495,545 		11,348 -5.8% 131.79 US$1,495,545
2026-07-07 2026-07-06
US Workday Inc (WDAY)
PlS Planned sale
13,550 -6.4%
130.81
US$1,772,488 		13,550 -6.4% 130.81 US$1,772,488
2026-07-07 2026-07-06
US Workday Inc (WDAY)
PlS Planned sale
2,106 -1.0%
129.82
US$273,409 		2,106 -1.0% 129.82 US$273,409
2026-07-06 2026-07-06
US Workday Inc (WDAY)
PrS Proposed sale
107,500
135.40
US$14,555,500 		107,500 135.40 US$14,555,500
2026-07-01 2026-06-30
US Workday Inc (WDAY)
PlS Planned sale
31,354 -23.0%
122.73
US$3,848,070 		31,354 -23.0% 122.73 US$3,848,070
2026-07-01 2026-06-30
US Workday Inc (WDAY)
PlS Planned sale
53,176 -28.0%
122.17
US$6,496,767 		53,176 -28.0% 122.17 US$6,496,767
2026-07-01 2026-06-30
US Workday Inc (WDAY)
PlS Planned sale
16,870 -8.2%
121.06
US$2,042,329 		16,870 -8.2% 121.06 US$2,042,329
2026-07-01 2026-06-30
US Workday Inc (WDAY)
PlS Planned sale
6,100 -2.9%
120.00
US$731,999 		6,100 -2.9% 120.00 US$731,999
2026-06-30 2026-06-30
US Workday Inc (WDAY)
PrS Proposed sale
107,500
123.58
US$13,284,850 		107,500 123.58 US$13,284,850
2026-06-29 2026-06-25
US Workday Inc (WDAY)
PlS Planned sale
1,800 -1.7%
118.76
US$213,770 		1,800 -1.7% 118.76 US$213,770
2026-06-29 2026-06-25
US Workday Inc (WDAY)
PlS Planned sale
9,739 -8.4%
118.03
US$1,149,506 		9,739 -8.4% 118.03 US$1,149,506
2026-06-29 2026-06-25
US Workday Inc (WDAY)
PlS Planned sale
17,064 -12.8%
116.95
US$1,995,631 		17,064 -12.8% 116.95 US$1,995,631
2026-06-29 2026-06-25
US Workday Inc (WDAY)
PlS Planned sale
19,825 -12.9%
116.06
US$2,300,870 		19,825 -12.9% 116.06 US$2,300,870
2026-06-29 2026-06-25
US Workday Inc (WDAY)
PlS Planned sale
28,998 -15.9%
114.98
US$3,334,135 		28,998 -15.9% 114.98 US$3,334,135
2026-06-29 2026-06-25
US Workday Inc (WDAY)
PlS Planned sale
30,074 -14.1%
114.14
US$3,432,694 		30,074 -14.1% 114.14 US$3,432,694
2026-06-25 2026-06-25
US Workday Inc (WDAY)
PrS Proposed sale
107,500
118.09
US$12,694,675 		107,500 118.09 US$12,694,675
2026-06-24 2026-06-22
US Workday Inc (WDAY)
PlS Planned sale
1,540 -1.4%
119.84
US$184,560 		1,540 -1.4% 119.84 US$184,560
2026-06-24 2026-06-22
US Workday Inc (WDAY)
PlS Planned sale
4,151 -3.7%
119.05
US$494,171 		4,151 -3.7% 119.05 US$494,171
2026-06-24 2026-06-22
US Workday Inc (WDAY)
PlS Planned sale
7,602 -6.4%
118.15
US$898,192 		7,602 -6.4% 118.15 US$898,192
2026-06-24 2026-06-22
US Workday Inc (WDAY)
PlS Planned sale
10,587 -8.2%
117.20
US$1,240,806 		10,587 -8.2% 117.20 US$1,240,806
2026-06-24 2026-06-22
US Workday Inc (WDAY)
PlS Planned sale
3,900 -2.9%
116.16
US$453,011 		3,900 -2.9% 116.16 US$453,011
2026-06-24 2026-06-22
US Workday Inc (WDAY)
PlS Planned sale
7,033 -5.0%
114.94
US$808,405 		7,033 -5.0% 114.94 US$808,405
2026-06-24 2026-06-22
US Workday Inc (WDAY)
PlS Planned sale
6,920 -4.7%
114.15
US$789,905 		6,920 -4.7% 114.15 US$789,905
2026-06-24 2026-06-22
US Workday Inc (WDAY)
PlS Planned sale
49,759 -25.3%
112.92
US$5,618,776 		49,759 -25.3% 112.92 US$5,618,776
2026-06-24 2026-06-22
US Workday Inc (WDAY)
PlS Planned sale
16,008 -7.5%
112.08
US$1,794,132 		16,008 -7.5% 112.08 US$1,794,132
2026-06-22 2026-06-22
US Workday Inc (WDAY)
PrS Proposed sale
107,500
116.93
US$12,569,975 		107,500 116.93 US$12,569,975
2026-06-22 2026-06-22
US Workday Inc (WDAY)
PrS Proposed sale
107,500
116.93
US$12,569,975 		107,500 116.93 US$12,569,975
2026-06-18 2026-06-17
US Workday Inc (WDAY)
PlS Planned sale
2,565 -2.4%
127.95
US$328,183 		2,565 -2.4% 127.95 US$328,183