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

Open‑market sale worth $13.82M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 6 sales

DUFFIELD DAVID A

Filed: 6/15/2026ACC: 0000938071-26-000033

InsiderDUFFIELD DAVID ACIK 938071

→

IssuerWORKDAY, INC.CIK 1327811

10% Owner

Since Mar 2026

-107.50K

Net shares

Net seller

$13.82M

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%

6/12/2026

105.05K→212.55K

Class A Common Stock

Direct

S · Sale

−9.20K

Price / share

$126.01

Trade value

$1.16M

% of position

4.3%

6/12/2026

212.55K→203.35K

Class A Common Stock

Direct

S · Sale

−10.72K

Price / share

$126.88

Trade value

$1.36M

% of position

5.3%

6/12/2026

203.35K→192.63K

Class A Common Stock

Direct

S · Sale

−15.86K

Price / share

$127.99

Trade value

$2.03M

% of position

8.2%

6/12/2026

192.63K→176.76K

Class A Common Stock

Direct

S · Sale

−54.01K

Price / share

$128.88

Trade value

$6.96M

% of position

30.6%

6/12/2026

176.76K→122.76K

Class A Common Stock

Direct

S · Sale

−9.47K

Price / share

$129.63

Trade value

$1.23M

% of position

7.7%

6/12/2026

122.76K→113.29K

Class A Common Stock

Direct

S · Sale

−8.24K

Price / share

$130.79

Trade value

$1.08M

% of position

7.3%

6/12/2026

113.29K→105.05K

Total

Net shares

+0.00

Net value

-$13.82M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	6/12/2026	C · Conversion	+107.50K	—	—	102.3%	105.05K	212.55K
Class A Common Stock Direct	6/12/2026	S · Sale	−9.20K	$126.01	$1.16M	4.3%	212.55K	203.35K
Class A Common Stock Direct	6/12/2026	S · Sale	−10.72K	$126.88	$1.36M	5.3%	203.35K	192.63K
Class A Common Stock Direct	6/12/2026	S · Sale	−15.86K	$127.99	$2.03M	8.2%	192.63K	176.76K
Class A Common Stock Direct	6/12/2026	S · Sale	−54.01K	$128.88	$6.96M	30.6%	176.76K	122.76K
Class A Common Stock Direct	6/12/2026	S · Sale	−9.47K	$129.63	$1.23M	7.7%	122.76K	113.29K
Class A Common Stock Direct	6/12/2026	S · Sale	−8.24K	$130.79	$1.08M	7.3%	113.29K	105.05K
Total			+0.00		-$13.82M

Derivative Transactions1

Class B Common Stock

Direct

C · Conversion

Converts to

Class A Common Stock

107.50K shares

−107.50K

Strike price

Held after

37.10M

Exercisable

—

6/12/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Class B Common Stock Direct	Class A Common Stock107.50K shares	6/12/2026	C · Conversion	−107.50K		—	37.10M