Duffield David A

10% Owner

1 company

Strong

Trades Analyzed

12M Win Rate

81.7%

Avg 3M Return

+4.0%

Avg 12M Return

+14.7%

Duffield David A is a 10% Owner at Workday, Inc.. Recent SEC Form 4 filings include 0 buys and 33 sells.

Estimated insider holdings value: $28.9M based on current market prices.

Holdings by Company

WDAYJun 9, 2026

Current Shares169.9K

Value$28.93M

Net Activity-5,616,224

Bought: 0Sold: 5.62M

Showing 9 filings (page 12)

Date	Ticker	Role	Type	Shares	Price	Value	Chg%
Oct 8, 2018	WDAY Workday, Inc.	Director, 10% Owner	Sell	374,488	$133.55	$50,011,955.10	-17.4%
Sep 7, 2018	WDAY Workday, Inc.	Director, 10% Owner	Sell	344,430	$145.20	$50,010,999.96	-18.9%
Jul 16, 2018	WDAY Workday, Inc.	Director, 10% Owner	Sell	1,437	$133.33	$191,588.17	-0.4%
Jul 9, 2018	WDAY Workday, Inc.	Director, 10% Owner	Sell	392,758	$127.34	$50,012,474.59	-30.1%
Jun 6, 2018	WDAY Workday, Inc.	Director, 10% Owner	Sell	389,988	$128.24	$50,012,405.23	-44.1%
May 15, 2018	WDAY Workday, Inc.	Director, 10% Owner	Sell	1,189	$132.92	$158,041.52	-1.1%
Apr 16, 2018	WDAY Workday, Inc.	Director, 10% Owner	Sell	3,641	$127.13	$462,890.16	-3.2%
Apr 5, 2018	WDAY Workday, Inc.	Director, 10% Owner	Sell	397,053	$125.96	$50,013,072.43	-47.2%
Mar 7, 2018	WDAY Workday, Inc.	Director, 10% Owner	Sell	365,300	$136.91	$50,012,225.71	-25.3%