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 70 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 10 filings (page 8)

Date	Ticker	Role	Type	Shares	Price	Value	Chg%	3M	12M
Jul 1, 2021	WDAY Workday, Inc.	Director, 10% Owner	Sell	318,822	$235.27	$75,010,175.38	-23.9%	+5.9%	-39.6%
Jun 15, 2021	WDAY Workday, Inc.	Director, 10% Owner	Sell	108,900	$231.29	$25,187,129.00	-12.5%	+15.5%	-38.4%
Jun 1, 2021	WDAY Workday, Inc.	Director, 10% Owner	Sell	331,170	$226.50	$75,010,452.76	-25.9%	+19.9%	-30.9%
Apr 1, 2021	WDAY Workday, Inc.	Director, 10% Owner	Sell	196,548	$254.42	$50,006,341.25	-13.9%	-6.4%	-6.7%
Mar 16, 2021	WDAY Workday, Inc.	Director, 10% Owner	Sell	108,900	$257.43	$28,033,745.54	-4.0%	-9.7%	-11.5%
Mar 1, 2021	WDAY Workday, Inc.	Director, 10% Owner	Sell	200,124	$249.88	$50,006,485.20	-9.6%	-	-
Jan 4, 2021	WDAY Workday, Inc.	Director, 10% Owner	Sell	218,763	$228.59	$50,007,735.37	-9.9%	-	-
Dec 15, 2020	WDAY Workday, Inc.	Director, 10% Owner	Sell	78,750	$221.25	$17,423,616.49	-2.4%	-	-
Dec 1, 2020	WDAY Workday, Inc.	Director, 10% Owner	Sell	220,952	$226.33	$50,007,924.79	-14.3%	-	-
Oct 1, 2020	WDAY Workday, Inc.	Director, 10% Owner	Sell	227,685	$219.64	$50,008,120.40	-17.0%	-	-