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

Open‑market sale worth $14.87M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 6 sales

DUFFIELD DAVID A

Filed: 6/11/2026ACC: 0000938071-26-000031

InsiderDUFFIELD DAVID ACIK 938071

→

IssuerWORKDAY, INC.CIK 1327811

10% Owner

Since Mar 2026

-107.50K

Net shares

Net seller

$14.87M

Total sold

Open market trades

0B · 6S

Total transactions

107.50K acquired · 215K disposed

Non-Derivative Transactions7

Class A Common Stock

Direct

C · Conversion

+107.50K

Price / share

—

Trade value

—

% of position

102.3%

6/9/2026

105.05K→212.55K

Class A Common Stock

Direct

S · Sale

−7.42K

Price / share

$135.54

Trade value

$1.01M

% of position

3.5%

6/9/2026

212.55K→205.13K

Class A Common Stock

Direct

S · Sale

−16.81K

Price / share

$136.52

Trade value

$2.29M

% of position

8.2%

6/9/2026

205.13K→188.32K

Class A Common Stock

Direct

S · Sale

−18.39K

Price / share

$137.35

Trade value

$2.53M

% of position

9.8%

6/9/2026

188.32K→169.93K

Class A Common Stock

Direct

S · Sale

−24.45K

Price / share

$138.40

Trade value

$3.38M

% of position

14.4%

6/9/2026

169.93K→145.48K

Class A Common Stock

Direct

S · Sale

−17.24K

Price / share

$139.45

Trade value

$2.40M

% of position

11.9%

6/9/2026

145.48K→128.24K

Class A Common Stock

Direct

S · Sale

−23.19K

Price / share

$140.37

Trade value

$3.26M

% of position

18.1%

6/9/2026

128.24K→105.05K

Total

Net shares

+0.00

Net value

-$14.87M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	6/9/2026	C · Conversion	+107.50K	—	—	102.3%	105.05K	212.55K
Class A Common Stock Direct	6/9/2026	S · Sale	−7.42K	$135.54	$1.01M	3.5%	212.55K	205.13K
Class A Common Stock Direct	6/9/2026	S · Sale	−16.81K	$136.52	$2.29M	8.2%	205.13K	188.32K
Class A Common Stock Direct	6/9/2026	S · Sale	−18.39K	$137.35	$2.53M	9.8%	188.32K	169.93K
Class A Common Stock Direct	6/9/2026	S · Sale	−24.45K	$138.40	$3.38M	14.4%	169.93K	145.48K
Class A Common Stock Direct	6/9/2026	S · Sale	−17.24K	$139.45	$2.40M	11.9%	145.48K	128.24K
Class A Common Stock Direct	6/9/2026	S · Sale	−23.19K	$140.37	$3.26M	18.1%	128.24K	105.05K
Total			+0.00		-$14.87M

Derivative Transactions1

Class B Common Stock

Direct

C · Conversion

Converts to

Class A Common Stock

107.50K shares

−107.50K

Strike price

Held after

37.21M

Exercisable

—

6/9/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Class B Common Stock Direct	Class A Common Stock107.50K shares	6/9/2026	C · Conversion	−107.50K		—	37.21M