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

Open‑market sale worth $13.44M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 7 sales

DUFFIELD DAVID A

Filed: 6/18/2026ACC: 0000938071-26-000035

InsiderDUFFIELD DAVID ACIK 938071

→

IssuerWORKDAY, INC.CIK 1327811

10% Owner

Since Mar 2026

-107.50K

Net shares

Net seller

$13.44M

Total sold

Open market trades

0B · 7S

Total transactions

107.50K acquired · 215K disposed

Non-Derivative Transactions8

Class A Common Stock

Direct

C · Conversion

+107.50K

Price / share

—

Trade value

—

% of position

102.3%

6/17/2026

105.05K→212.55K

Class A Common Stock

Direct

S · Sale

−20.32K

Price / share

$121.96

Trade value

$2.48M

% of position

9.6%

6/17/2026

212.55K→192.23K

Class A Common Stock

Direct

S · Sale

−11.48K

Price / share

$123.08

Trade value

$1.41M

% of position

6.0%

6/17/2026

192.23K→180.75K

Class A Common Stock

Direct

S · Sale

−8.10K

Price / share

$124.15

Trade value

$1.01M

% of position

4.5%

6/17/2026

180.75K→172.65K

Class A Common Stock

Direct

S · Sale

−17.16K

Price / share

$125.18

Trade value

$2.15M

% of position

9.9%

6/17/2026

172.65K→155.50K

Class A Common Stock

Direct

S · Sale

−27.21K

Price / share

$126.34

Trade value

$3.44M

% of position

17.5%

6/17/2026

155.50K→128.29K

Class A Common Stock

Direct

S · Sale

−20.68K

Price / share

$127.04

Trade value

$2.63M

% of position

16.1%

6/17/2026

128.29K→107.61K

Class A Common Stock

Direct

S · Sale

−2.56K

Price / share

$127.95

Trade value

$328.18K

% of position

2.4%

6/17/2026

107.61K→105.05K

Total

Net shares

+0.00

Net value

-$13.44M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	6/17/2026	C · Conversion	+107.50K	—	—	102.3%	105.05K	212.55K
Class A Common Stock Direct	6/17/2026	S · Sale	−20.32K	$121.96	$2.48M	9.6%	212.55K	192.23K
Class A Common Stock Direct	6/17/2026	S · Sale	−11.48K	$123.08	$1.41M	6.0%	192.23K	180.75K
Class A Common Stock Direct	6/17/2026	S · Sale	−8.10K	$124.15	$1.01M	4.5%	180.75K	172.65K
Class A Common Stock Direct	6/17/2026	S · Sale	−17.16K	$125.18	$2.15M	9.9%	172.65K	155.50K
Class A Common Stock Direct	6/17/2026	S · Sale	−27.21K	$126.34	$3.44M	17.5%	155.50K	128.29K
Class A Common Stock Direct	6/17/2026	S · Sale	−20.68K	$127.04	$2.63M	16.1%	128.29K	107.61K
Class A Common Stock Direct	6/17/2026	S · Sale	−2.56K	$127.95	$328.18K	2.4%	107.61K	105.05K
Total			+0.00		-$13.44M

Derivative Transactions1

Class B Common Stock

Direct

C · Conversion

Converts to

Class A Common Stock

107.50K shares

−107.50K

Strike price

Held after

36.99M

Exercisable

—

6/17/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Class B Common Stock Direct	Class A Common Stock107.50K shares	6/17/2026	C · Conversion	−107.50K		—	36.99M