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 45 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 11)

Date	Ticker	Role	Type	Shares	Price	Value	Chg%
Jun 5, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sale+OE	253,351	$197.19	$49,957,836.22	-18.5%
May 15, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	1,054	$205.21	$216,291.02	-1.0%
Apr 15, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	1,124	$192.96	$216,890.68	-0.4%
Apr 3, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	258,774	$193.25	$50,008,549.78	-32.9%
Mar 15, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	175,000	$186.18	$32,581,505.23	-7.1%
Mar 4, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	278,758	$179.40	$50,009,066.77	-11.2%
Jan 15, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	911	$164.91	$150,232.92	-0.9%
Jan 7, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	304,404	$164.29	$50,009,789.29	-30.0%
Dec 7, 2018	WDAY Workday, Inc.	Director, 10% Owner	Sell	309,667	$161.50	$50,009,936.84	-17.1%
Oct 15, 2018	WDAY Workday, Inc.	Director, 10% Owner	Sell	1,434	$127.25	$182,470.11	-0.7%