David Duffield

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
Planned sale
Price
451.39
Quantity 5,016 +34.3%
Value US$3,823,450
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
474.50
Quantity 53,899 +7.7%
Value US$2,629,005
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
433.27
Quantity 36,855 +23.1%
Value US$1,951,397
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
188.19
Quantity 14,228 -9.9%
Value US$2,677,594
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
186.92
Quantity 14,294 -9.0%
Value US$2,671,764
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
186.36
Quantity 46,607 -22.7%
Value US$8,685,732
US Workday, Inc. (WDAY)
Transaction date
Proposed sale
Price
187.81
Quantity 99,835
Value US$18,750,011
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
189.39
Quantity 10,572 -9.1%
Value US$2,002,262
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
188.64
Quantity 19,534 -14.5%
Value US$3,684,968
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
187.77
Quantity 10,054 -6.9%
Value US$1,887,802
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
186.66
Quantity 45,984 -24.1%
Value US$8,583,245
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
185.86
Quantity 10,284 -5.1%
Value US$1,911,388
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
184.80
Quantity 2,800 -1.4%
Value US$517,450
US Workday, Inc. (WDAY)
Transaction date
Proposed sale
Price
188.96
Quantity 99,228
Value US$18,750,123
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
194.77
Quantity 1,500 -1.4%
Value US$292,149
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
194.03
Quantity 4,600 -4.1%
Value US$892,533
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
192.26
Quantity 600 -0.5%
Value US$115,354
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
191.48
Quantity 3,900 -3.4%
Value US$746,780
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
190.85
Quantity 3,800 -3.2%
Value US$725,222
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
188.34
Quantity 1,809 -1.5%
Value US$340,708
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
187.50
Quantity 4,764 -3.8%
Value US$893,230
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
186.55
Quantity 48,972 -28.0%
Value US$9,135,746
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
185.72
Quantity 14,166 -7.5%
Value US$2,630,968
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
184.69
Quantity 9,035 -4.6%
Value US$1,668,647
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
183.86
Quantity 5,300 -2.6%
Value US$974,483
US Workday, Inc. (WDAY)
Transaction date
Proposed sale
Price
190.46
Quantity 98,446
Value US$18,750,025
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
190.60
Quantity 3,904 -3.6%
Value US$744,115
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
189.84
Quantity 23,095 -17.5%
Value US$4,384,288
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
188.94
Quantity 37,993 -22.3%
Value US$7,178,306
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
188.13
Quantity 23,779 -12.3%
Value US$4,473,529
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
186.80
Quantity 1,100 -0.6%
Value US$205,477
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
185.78
Quantity 1,700 -0.9%
Value US$315,824
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
184.67
Quantity 1,904 -1.0%
Value US$351,604
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
183.88
Quantity 3,496 -1.7%
Value US$642,827
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
182.67
Quantity 2,000 -1.0%
Value US$365,336
US Workday, Inc. (WDAY)
Transaction date
Proposed sale
Price
189.45
Quantity 98,971
Value US$18,750,056
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
193.62
Quantity 1,875 -1.8%
Value US$363,039
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
192.84
Quantity 24,934 -18.9%
Value US$4,808,283
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
192.10
Quantity 63,855 -32.6%
Value US$12,266,475
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
190.95
Quantity 4,849 -2.4%
Value US$925,914
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
189.69
Quantity 1,776 -0.9%
Value US$336,891
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
188.92
Quantity 2,324 -1.1%
Value US$439,039
US Workday, Inc. (WDAY)
Transaction date
Proposed sale
Price
188.23
Quantity 99,613
Value US$18,750,155
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
195.73
Quantity 12,029 -10.3%
Value US$2,354,471
US Workday, Inc. (WDAY)
Transaction date
Planned sale
Price
194.91
Quantity 47,201 -28.7%
Value US$9,199,881
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-10-13 2026-10-09
US Workday, Inc. (WDAY)
PlS Planned sale
5,016 +34.3%
451.39
US$3,823,450 		5,016 +34.3% 451.39 US$3,823,450
2026-10-13 2026-10-09
US Workday, Inc. (WDAY)
PlS Planned sale
53,899 +7.7%
474.50
US$2,629,005 		53,899 +7.7% 474.50 US$2,629,005
2026-10-13 2026-10-09
US Workday, Inc. (WDAY)
PlS Planned sale
36,855 +23.1%
433.27
US$1,951,397 		36,855 +23.1% 433.27 US$1,951,397
2026-10-13 2026-10-09
US Workday, Inc. (WDAY)
PlS Planned sale
14,228 -9.9%
188.19
US$2,677,594 		14,228 -9.9% 188.19 US$2,677,594
2026-10-13 2026-10-09
US Workday, Inc. (WDAY)
PlS Planned sale
14,294 -9.0%
186.92
US$2,671,764 		14,294 -9.0% 186.92 US$2,671,764
2026-10-13 2026-10-09
US Workday, Inc. (WDAY)
PlS Planned sale
46,607 -22.7%
186.36
US$8,685,732 		46,607 -22.7% 186.36 US$8,685,732
2026-10-09 2026-10-09
US Workday, Inc. (WDAY)
PrS Proposed sale
99,835
187.81
US$18,750,011 		99,835 187.81 US$18,750,011
2026-10-07 2026-10-06
US Workday, Inc. (WDAY)
PlS Planned sale
10,572 -9.1%
189.39
US$2,002,262 		10,572 -9.1% 189.39 US$2,002,262
2026-10-07 2026-10-06
US Workday, Inc. (WDAY)
PlS Planned sale
19,534 -14.5%
188.64
US$3,684,968 		19,534 -14.5% 188.64 US$3,684,968
2026-10-07 2026-10-06
US Workday, Inc. (WDAY)
PlS Planned sale
10,054 -6.9%
187.77
US$1,887,802 		10,054 -6.9% 187.77 US$1,887,802
2026-10-07 2026-10-06
US Workday, Inc. (WDAY)
PlS Planned sale
45,984 -24.1%
186.66
US$8,583,245 		45,984 -24.1% 186.66 US$8,583,245
2026-10-07 2026-10-06
US Workday, Inc. (WDAY)
PlS Planned sale
10,284 -5.1%
185.86
US$1,911,388 		10,284 -5.1% 185.86 US$1,911,388
2026-10-07 2026-10-06
US Workday, Inc. (WDAY)
PlS Planned sale
2,800 -1.4%
184.80
US$517,450 		2,800 -1.4% 184.80 US$517,450
2026-10-06 2026-10-06
US Workday, Inc. (WDAY)
PrS Proposed sale
99,228
188.96
US$18,750,123 		99,228 188.96 US$18,750,123
2026-10-05 2026-10-01
US Workday, Inc. (WDAY)
PlS Planned sale
1,500 -1.4%
194.77
US$292,149 		1,500 -1.4% 194.77 US$292,149
2026-10-05 2026-10-01
US Workday, Inc. (WDAY)
PlS Planned sale
4,600 -4.1%
194.03
US$892,533 		4,600 -4.1% 194.03 US$892,533
2026-10-05 2026-10-01
US Workday, Inc. (WDAY)
PlS Planned sale
600 -0.5%
192.26
US$115,354 		600 -0.5% 192.26 US$115,354
2026-10-05 2026-10-01
US Workday, Inc. (WDAY)
PlS Planned sale
3,900 -3.4%
191.48
US$746,780 		3,900 -3.4% 191.48 US$746,780
2026-10-05 2026-10-01
US Workday, Inc. (WDAY)
PlS Planned sale
3,800 -3.2%
190.85
US$725,222 		3,800 -3.2% 190.85 US$725,222
2026-10-05 2026-10-01
US Workday, Inc. (WDAY)
PlS Planned sale
1,809 -1.5%
188.34
US$340,708 		1,809 -1.5% 188.34 US$340,708
2026-10-05 2026-10-01
US Workday, Inc. (WDAY)
PlS Planned sale
4,764 -3.8%
187.50
US$893,230 		4,764 -3.8% 187.50 US$893,230
2026-10-05 2026-10-01
US Workday, Inc. (WDAY)
PlS Planned sale
48,972 -28.0%
186.55
US$9,135,746 		48,972 -28.0% 186.55 US$9,135,746
2026-10-05 2026-10-01
US Workday, Inc. (WDAY)
PlS Planned sale
14,166 -7.5%
185.72
US$2,630,968 		14,166 -7.5% 185.72 US$2,630,968
2026-10-05 2026-10-01
US Workday, Inc. (WDAY)
PlS Planned sale
9,035 -4.6%
184.69
US$1,668,647 		9,035 -4.6% 184.69 US$1,668,647
2026-10-05 2026-10-01
US Workday, Inc. (WDAY)
PlS Planned sale
5,300 -2.6%
183.86
US$974,483 		5,300 -2.6% 183.86 US$974,483
2026-10-01 2026-10-01
US Workday, Inc. (WDAY)
PrS Proposed sale
98,446
190.46
US$18,750,025 		98,446 190.46 US$18,750,025
2026-09-30 2026-09-28
US Workday, Inc. (WDAY)
PlS Planned sale
3,904 -3.6%
190.60
US$744,115 		3,904 -3.6% 190.60 US$744,115
2026-09-30 2026-09-28
US Workday, Inc. (WDAY)
PlS Planned sale
23,095 -17.5%
189.84
US$4,384,288 		23,095 -17.5% 189.84 US$4,384,288
2026-09-30 2026-09-28
US Workday, Inc. (WDAY)
PlS Planned sale
37,993 -22.3%
188.94
US$7,178,306 		37,993 -22.3% 188.94 US$7,178,306
2026-09-30 2026-09-28
US Workday, Inc. (WDAY)
PlS Planned sale
23,779 -12.3%
188.13
US$4,473,529 		23,779 -12.3% 188.13 US$4,473,529
2026-09-30 2026-09-28
US Workday, Inc. (WDAY)
PlS Planned sale
1,100 -0.6%
186.80
US$205,477 		1,100 -0.6% 186.80 US$205,477
2026-09-30 2026-09-28
US Workday, Inc. (WDAY)
PlS Planned sale
1,700 -0.9%
185.78
US$315,824 		1,700 -0.9% 185.78 US$315,824
2026-09-30 2026-09-28
US Workday, Inc. (WDAY)
PlS Planned sale
1,904 -1.0%
184.67
US$351,604 		1,904 -1.0% 184.67 US$351,604
2026-09-30 2026-09-28
US Workday, Inc. (WDAY)
PlS Planned sale
3,496 -1.7%
183.88
US$642,827 		3,496 -1.7% 183.88 US$642,827
2026-09-30 2026-09-28
US Workday, Inc. (WDAY)
PlS Planned sale
2,000 -1.0%
182.67
US$365,336 		2,000 -1.0% 182.67 US$365,336
2026-09-28 2026-09-28
US Workday, Inc. (WDAY)
PrS Proposed sale
98,971
189.45
US$18,750,056 		98,971 189.45 US$18,750,056
2026-09-24 2026-09-23
US Workday, Inc. (WDAY)
PlS Planned sale
1,875 -1.8%
193.62
US$363,039 		1,875 -1.8% 193.62 US$363,039
2026-09-24 2026-09-23
US Workday, Inc. (WDAY)
PlS Planned sale
24,934 -18.9%
192.84
US$4,808,283 		24,934 -18.9% 192.84 US$4,808,283
2026-09-24 2026-09-23
US Workday, Inc. (WDAY)
PlS Planned sale
63,855 -32.6%
192.10
US$12,266,475 		63,855 -32.6% 192.10 US$12,266,475
2026-09-24 2026-09-23
US Workday, Inc. (WDAY)
PlS Planned sale
4,849 -2.4%
190.95
US$925,914 		4,849 -2.4% 190.95 US$925,914
2026-09-24 2026-09-23
US Workday, Inc. (WDAY)
PlS Planned sale
1,776 -0.9%
189.69
US$336,891 		1,776 -0.9% 189.69 US$336,891
2026-09-24 2026-09-23
US Workday, Inc. (WDAY)
PlS Planned sale
2,324 -1.1%
188.92
US$439,039 		2,324 -1.1% 188.92 US$439,039
2026-09-23 2026-09-23
US Workday, Inc. (WDAY)
PrS Proposed sale
99,613
188.23
US$18,750,155 		99,613 188.23 US$18,750,155
2026-09-21 2026-09-18
US Workday, Inc. (WDAY)
PlS Planned sale
12,029 -10.3%
195.73
US$2,354,471 		12,029 -10.3% 195.73 US$2,354,471
2026-09-21 2026-09-18
US Workday, Inc. (WDAY)
PlS Planned sale
47,201 -28.7%
194.91
US$9,199,881 		47,201 -28.7% 194.91 US$9,199,881

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