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
US Workday Inc (WDAY)
Transaction date
Proposed sale
Price
464.22
Quantity 23,327
Value US$4,302,695
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
359.27
Quantity 40,501 -31.0%
Value US$605,582
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
248.33
Quantity 52,045 -33.3%
Value US$58,909
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
192.73
Quantity 26,152 -16.5%
Value US$5,040,387
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
191.63
Quantity 17,487 -9.9%
Value US$3,350,994
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
190.71
Quantity 25,163 -12.5%
Value US$4,798,760
US Workday Inc (WDAY)
Transaction date
Proposed sale
Price
194.21
Quantity 96,545
Value US$18,750,004
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
187.75
Quantity 2,493 -2.3%
Value US$468,052
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
187.05
Quantity 22,388 -17.2%
Value US$4,187,671
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
186.26
Quantity 24,465 -15.8%
Value US$4,556,954
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
184.98
Quantity 23,551 -13.2%
Value US$4,356,575
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
184.33
Quantity 27,883 -13.5%
Value US$5,139,673
US Workday Inc (WDAY)
Transaction date
Proposed sale
Price
186.05
Quantity 100,780
Value US$18,750,119
US Workday Inc (WDAY)
Transaction date
Proposed sale
Price
186.05
Quantity 100,780
Value US$18,750,119
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
204.05
Quantity 600 -0.6%
Value US$122,430
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
201.75
Quantity 600 -0.6%
Value US$121,050
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
200.59
Quantity 224 -0.2%
Value US$44,931
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
199.91
Quantity 7,631 -6.7%
Value US$1,525,509
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
198.87
Quantity 30,048 -20.8%
Value US$5,975,529
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
198.11
Quantity 31,605 -18.0%
Value US$6,261,251
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
196.73
Quantity 6,241 -3.4%
Value US$1,227,764
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
195.81
Quantity 13,666 -7.0%
Value US$2,675,904
US Workday Inc (WDAY)
Transaction date
Proposed sale
Price
206.92
Quantity 90,615
Value US$18,750,056
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
204.92
Quantity 100 -0.1%
Value US$20,492
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
204.28
Quantity 1,900 -1.8%
Value US$388,130
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
203.40
Quantity 6,199 -5.5%
Value US$1,260,893
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
202.40
Quantity 1,901 -1.7%
Value US$384,755
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
201.40
Quantity 4,100 -3.4%
Value US$825,747
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
200.14
Quantity 4,800 -3.9%
Value US$960,653
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
199.01
Quantity 35,196 -22.1%
Value US$7,004,310
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
198.29
Quantity 36,729 -18.7%
Value US$7,282,946
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
197.38
Quantity 4,036 -2.0%
Value US$796,618
US Workday Inc (WDAY)
Transaction date
Proposed sale
Price
197.45
Quantity 94,961
Value US$18,750,049
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
138.98
Quantity 100 -0.1%
Value US$13,898
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
138.34
Quantity 20,710 -16.5%
Value US$2,865,048
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
137.19
Quantity 39,133 -23.7%
Value US$5,368,778
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
136.41
Quantity 27,858 -14.4%
Value US$3,800,143
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
135.48
Quantity 14,299 -6.9%
Value US$1,937,261
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
134.01
Quantity 500 -0.2%
Value US$67,006
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
133.12
Quantity 1,700 -0.8%
Value US$226,305
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
132.07
Quantity 1,800 -0.9%
Value US$237,734
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
130.63
Quantity 1,400 -0.7%
Value US$182,884
US Workday Inc (WDAY)
Transaction date
Proposed sale
Price
137.88
Quantity 107,500
Value US$14,822,100
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
138.30
Quantity 100 -0.1%
Value US$13,830
US Workday Inc (WDAY)
Transaction date
Planned sale
Price
137.75
Quantity 43,583 -29.3%
Value US$6,003,393
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-18 2026-09-18
US Workday Inc (WDAY)
PrS Proposed sale
23,327
464.22
US$4,302,695 		23,327 464.22 US$4,302,695
2026-09-17 2026-09-15
US Workday Inc (WDAY)
PlS Planned sale
40,501 -31.0%
359.27
US$605,582 		40,501 -31.0% 359.27 US$605,582
2026-09-17 2026-09-15
US Workday Inc (WDAY)
PlS Planned sale
52,045 -33.3%
248.33
US$58,909 		52,045 -33.3% 248.33 US$58,909
2026-09-17 2026-09-15
US Workday Inc (WDAY)
PlS Planned sale
26,152 -16.5%
192.73
US$5,040,387 		26,152 -16.5% 192.73 US$5,040,387
2026-09-17 2026-09-15
US Workday Inc (WDAY)
PlS Planned sale
17,487 -9.9%
191.63
US$3,350,994 		17,487 -9.9% 191.63 US$3,350,994
2026-09-17 2026-09-15
US Workday Inc (WDAY)
PlS Planned sale
25,163 -12.5%
190.71
US$4,798,760 		25,163 -12.5% 190.71 US$4,798,760
2026-09-15 2026-09-15
US Workday Inc (WDAY)
PrS Proposed sale
96,545
194.21
US$18,750,004 		96,545 194.21 US$18,750,004
2026-09-14 2026-09-10
US Workday Inc (WDAY)
PlS Planned sale
2,493 -2.3%
187.75
US$468,052 		2,493 -2.3% 187.75 US$468,052
2026-09-14 2026-09-10
US Workday Inc (WDAY)
PlS Planned sale
22,388 -17.2%
187.05
US$4,187,671 		22,388 -17.2% 187.05 US$4,187,671
2026-09-14 2026-09-10
US Workday Inc (WDAY)
PlS Planned sale
24,465 -15.8%
186.26
US$4,556,954 		24,465 -15.8% 186.26 US$4,556,954
2026-09-14 2026-09-10
US Workday Inc (WDAY)
PlS Planned sale
23,551 -13.2%
184.98
US$4,356,575 		23,551 -13.2% 184.98 US$4,356,575
2026-09-14 2026-09-10
US Workday Inc (WDAY)
PlS Planned sale
27,883 -13.5%
184.33
US$5,139,673 		27,883 -13.5% 184.33 US$5,139,673
2026-09-10 2026-09-10
US Workday Inc (WDAY)
PrS Proposed sale
100,780
186.05
US$18,750,119 		100,780 186.05 US$18,750,119
2026-09-10 2026-09-10
US Workday Inc (WDAY)
PrS Proposed sale
100,780
186.05
US$18,750,119 		100,780 186.05 US$18,750,119
2026-09-09 2026-09-04
US Workday Inc (WDAY)
PlS Planned sale
600 -0.6%
204.05
US$122,430 		600 -0.6% 204.05 US$122,430
2026-09-09 2026-09-04
US Workday Inc (WDAY)
PlS Planned sale
600 -0.6%
201.75
US$121,050 		600 -0.6% 201.75 US$121,050
2026-09-09 2026-09-04
US Workday Inc (WDAY)
PlS Planned sale
224 -0.2%
200.59
US$44,931 		224 -0.2% 200.59 US$44,931
2026-09-09 2026-09-04
US Workday Inc (WDAY)
PlS Planned sale
7,631 -6.7%
199.91
US$1,525,509 		7,631 -6.7% 199.91 US$1,525,509
2026-09-09 2026-09-04
US Workday Inc (WDAY)
PlS Planned sale
30,048 -20.8%
198.87
US$5,975,529 		30,048 -20.8% 198.87 US$5,975,529
2026-09-09 2026-09-04
US Workday Inc (WDAY)
PlS Planned sale
31,605 -18.0%
198.11
US$6,261,251 		31,605 -18.0% 198.11 US$6,261,251
2026-09-09 2026-09-04
US Workday Inc (WDAY)
PlS Planned sale
6,241 -3.4%
196.73
US$1,227,764 		6,241 -3.4% 196.73 US$1,227,764
2026-09-09 2026-09-04
US Workday Inc (WDAY)
PlS Planned sale
13,666 -7.0%
195.81
US$2,675,904 		13,666 -7.0% 195.81 US$2,675,904
2026-09-04 2026-09-04
US Workday Inc (WDAY)
PrS Proposed sale
90,615
206.92
US$18,750,056 		90,615 206.92 US$18,750,056
2026-09-03 2026-09-01
US Workday Inc (WDAY)
PlS Planned sale
100 -0.1%
204.92
US$20,492 		100 -0.1% 204.92 US$20,492
2026-09-03 2026-09-01
US Workday Inc (WDAY)
PlS Planned sale
1,900 -1.8%
204.28
US$388,130 		1,900 -1.8% 204.28 US$388,130
2026-09-03 2026-09-01
US Workday Inc (WDAY)
PlS Planned sale
6,199 -5.5%
203.40
US$1,260,893 		6,199 -5.5% 203.40 US$1,260,893
2026-09-03 2026-09-01
US Workday Inc (WDAY)
PlS Planned sale
1,901 -1.7%
202.40
US$384,755 		1,901 -1.7% 202.40 US$384,755
2026-09-03 2026-09-01
US Workday Inc (WDAY)
PlS Planned sale
4,100 -3.4%
201.40
US$825,747 		4,100 -3.4% 201.40 US$825,747
2026-09-03 2026-09-01
US Workday Inc (WDAY)
PlS Planned sale
4,800 -3.9%
200.14
US$960,653 		4,800 -3.9% 200.14 US$960,653
2026-09-03 2026-09-01
US Workday Inc (WDAY)
PlS Planned sale
35,196 -22.1%
199.01
US$7,004,310 		35,196 -22.1% 199.01 US$7,004,310
2026-09-03 2026-09-01
US Workday Inc (WDAY)
PlS Planned sale
36,729 -18.7%
198.29
US$7,282,946 		36,729 -18.7% 198.29 US$7,282,946
2026-09-03 2026-09-01
US Workday Inc (WDAY)
PlS Planned sale
4,036 -2.0%
197.38
US$796,618 		4,036 -2.0% 197.38 US$796,618
2026-09-01 2026-09-01
US Workday Inc (WDAY)
PrS Proposed sale
94,961
197.45
US$18,750,049 		94,961 197.45 US$18,750,049
2026-07-13 2026-07-09
US Workday Inc (WDAY)
PlS Planned sale
100 -0.1%
138.98
US$13,898 		100 -0.1% 138.98 US$13,898
2026-07-13 2026-07-09
US Workday Inc (WDAY)
PlS Planned sale
20,710 -16.5%
138.34
US$2,865,048 		20,710 -16.5% 138.34 US$2,865,048
2026-07-13 2026-07-09
US Workday Inc (WDAY)
PlS Planned sale
39,133 -23.7%
137.19
US$5,368,778 		39,133 -23.7% 137.19 US$5,368,778
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