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 39 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 10)

Date	Ticker	Role	Type	Shares	Price	Value	Chg%
Jan 7, 2020	WDAY Workday, Inc.	Director, 10% Owner	Sell	291,102	$171.79	$50,009,785.00	-19.9%
Dec 12, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	175,000	$160.60	$28,105,842.96	-11.4%
Dec 5, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	309,986	$161.33	$50,010,479.88	-24.3%
Oct 15, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	271	$184.71	$50,057.14	-0.3%
Oct 2, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	300,785	$166.27	$50,010,245.43	-29.0%
Sep 12, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	175,000	$171.71	$30,048,719.57	-16.7%
Sep 4, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	286,859	$174.34	$50,009,731.21	-27.2%
Jul 15, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	281	$219.67	$61,727.30	-0.3%
Jul 8, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	233,914	$213.79	$50,008,229.09	-28.0%
Jun 13, 2019	WDAY Workday, Inc.	Director, 10% Owner	Sell	175,000	$208.28	$36,449,724.59	-6.5%