DUFFIELD DAVID A sold 50.6% of their position (107.50K shares) of WORKDAY, INC. on the open market

Open‑market sale worth $16.84M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 9 sales

DUFFIELD DAVID A

Filed: 6/3/2026ACC: 0000938071-26-000027

InsiderDUFFIELD DAVID ACIK 938071

→

IssuerWORKDAY, INC.CIK 1327811

10% Owner

Since Mar 2026

-107.50K

Net shares

Net seller

$16.84M

Total sold

Open market trades

0B · 9S

Total transactions

107.50K acquired · 215K disposed

Non-Derivative Transactions10

Class A Common Stock

Direct

C · Conversion

+107.50K

Price / share

—

Trade value

—

% of position

102.3%

6/1/2026

105.05K→212.55K

Class A Common Stock

Direct

S · Sale

−1.35K

Price / share

$150.18

Trade value

$202.29K

% of position

0.6%

6/1/2026

212.55K→211.20K

Class A Common Stock

Direct

S · Sale

−1.83K

Price / share

$151.15

Trade value

$277.05K

% of position

0.9%

6/1/2026

211.20K→209.37K

Class A Common Stock

Direct

S · Sale

−688.00

Price / share

$152.47

Trade value

$104.90K

% of position

0.3%

6/1/2026

209.37K→208.68K

Class A Common Stock

Direct

S · Sale

−4.99K

Price / share

$153.68

Trade value

$767.19K

% of position

2.4%

6/1/2026

208.68K→203.69K

Class A Common Stock

Direct

S · Sale

−11.98K

Price / share

$154.46

Trade value

$1.85M

% of position

5.9%

6/1/2026

203.69K→191.71K

Class A Common Stock

Direct

S · Sale

−5.38K

Price / share

$155.35

Trade value

$835.76K

% of position

2.8%

6/1/2026

191.71K→186.33K

Class A Common Stock

Direct

S · Sale

−23.51K

Price / share

$156.95

Trade value

$3.69M

% of position

12.6%

6/1/2026

186.33K→162.82K

Class A Common Stock

Direct

S · Sale

−50.21K

Price / share

$157.62

Trade value

$7.91M

% of position

30.8%

6/1/2026

162.82K→112.60K

Class A Common Stock

Direct

S · Sale

−7.55K

Price / share

$158.36

Trade value

$1.20M

% of position

6.7%

6/1/2026

112.60K→105.05K

Total

Net shares

+0.00

Net value

-$16.84M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	6/1/2026	C · Conversion	+107.50K	—	—	102.3%	105.05K	212.55K
Class A Common Stock Direct	6/1/2026	S · Sale	−1.35K	$150.18	$202.29K	0.6%	212.55K	211.20K
Class A Common Stock Direct	6/1/2026	S · Sale	−1.83K	$151.15	$277.05K	0.9%	211.20K	209.37K
Class A Common Stock Direct	6/1/2026	S · Sale	−688.00	$152.47	$104.90K	0.3%	209.37K	208.68K
Class A Common Stock Direct	6/1/2026	S · Sale	−4.99K	$153.68	$767.19K	2.4%	208.68K	203.69K
Class A Common Stock Direct	6/1/2026	S · Sale	−11.98K	$154.46	$1.85M	5.9%	203.69K	191.71K
Class A Common Stock Direct	6/1/2026	S · Sale	−5.38K	$155.35	$835.76K	2.8%	191.71K	186.33K
Class A Common Stock Direct	6/1/2026	S · Sale	−23.51K	$156.95	$3.69M	12.6%	186.33K	162.82K
Class A Common Stock Direct	6/1/2026	S · Sale	−50.21K	$157.62	$7.91M	30.8%	162.82K	112.60K
Class A Common Stock Direct	6/1/2026	S · Sale	−7.55K	$158.36	$1.20M	6.7%	112.60K	105.05K
Total			+0.00		-$16.84M

Derivative Transactions1

Class B Common Stock

Direct

C · Conversion

Converts to

Class A Common Stock

107.50K shares

−107.50K

Strike price

Held after

37.42M

Exercisable

—

6/1/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Class B Common Stock Direct	Class A Common Stock107.50K shares	6/1/2026	C · Conversion	−107.50K		—	37.42M