DUFFIELD DAVID A sold 47.5% of their position (94.96K shares) of WORKDAY, INC. on the open market

Open‑market sale worth $18.92M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 9 sales

DUFFIELD DAVID A

Filed: 9/3/2026ACC: 0000938071-26-000048

InsiderDUFFIELD DAVID ACIK 938071

→

IssuerWORKDAY, INC.CIK 1327811

10% Owner

Since Mar 2026

-94.96K

Net shares

Net seller

$18.92M

Total sold

Open market trades

0B · 9S

Total transactions

94.96K acquired · 189.92K disposed

Non-Derivative Transactions10

Class A Common Stock

Direct

C · Conversion

+94.96K

Price / share

—

Trade value

—

% of position

90.4%

9/1/2026

105.05K→200.01K

Class A Common Stock

Direct

S · Sale

−4.04K

Price / share

$197.38

Trade value

$796.62K

% of position

2.0%

9/1/2026

200.01K→195.97K

Class A Common Stock

Direct

S · Sale

−36.73K

Price / share

$198.29

Trade value

$7.28M

% of position

18.7%

9/1/2026

195.97K→159.25K

Class A Common Stock

Direct

S · Sale

−35.20K

Price / share

$199.01

Trade value

$7M

% of position

22.1%

9/1/2026

159.25K→124.05K

Class A Common Stock

Direct

S · Sale

−4.80K

Price / share

$200.14

Trade value

$960.65K

% of position

3.9%

9/1/2026

124.05K→119.25K

Class A Common Stock

Direct

S · Sale

−4.10K

Price / share

$201.40

Trade value

$825.75K

% of position

3.4%

9/1/2026

119.25K→115.15K

Class A Common Stock

Direct

S · Sale

−1.90K

Price / share

$202.40

Trade value

$384.75K

% of position

1.7%

9/1/2026

115.15K→113.25K

Class A Common Stock

Direct

S · Sale

−6.20K

Price / share

$203.40

Trade value

$1.26M

% of position

5.5%

9/1/2026

113.25K→107.05K

Class A Common Stock

Direct

S · Sale

−1.90K

Price / share

$204.28

Trade value

$388.13K

% of position

1.8%

9/1/2026

107.05K→105.15K

Class A Common Stock

Direct

S · Sale

−100.00

Price / share

$204.92

Trade value

$20.49K

% of position

0.1%

9/1/2026

105.15K→105.05K

Total

Net shares

+0.00

Net value

-$18.92M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	9/1/2026	C · Conversion	+94.96K	—	—	90.4%	105.05K	200.01K
Class A Common Stock Direct	9/1/2026	S · Sale	−4.04K	$197.38	$796.62K	2.0%	200.01K	195.97K
Class A Common Stock Direct	9/1/2026	S · Sale	−36.73K	$198.29	$7.28M	18.7%	195.97K	159.25K
Class A Common Stock Direct	9/1/2026	S · Sale	−35.20K	$199.01	$7M	22.1%	159.25K	124.05K
Class A Common Stock Direct	9/1/2026	S · Sale	−4.80K	$200.14	$960.65K	3.9%	124.05K	119.25K
Class A Common Stock Direct	9/1/2026	S · Sale	−4.10K	$201.40	$825.75K	3.4%	119.25K	115.15K
Class A Common Stock Direct	9/1/2026	S · Sale	−1.90K	$202.40	$384.75K	1.7%	115.15K	113.25K
Class A Common Stock Direct	9/1/2026	S · Sale	−6.20K	$203.40	$1.26M	5.5%	113.25K	107.05K
Class A Common Stock Direct	9/1/2026	S · Sale	−1.90K	$204.28	$388.13K	1.8%	107.05K	105.15K
Class A Common Stock Direct	9/1/2026	S · Sale	−100.00	$204.92	$20.49K	0.1%	105.15K	105.05K
Total			+0.00		-$18.92M

Derivative Transactions1

Class B Common Stock

Direct

C · Conversion

Converts to

Class A Common Stock

94.96K shares

−94.96K

Strike price

Held after

36.36M

Exercisable

—

9/1/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Class B Common Stock Direct	Class A Common Stock94.96K shares	9/1/2026	C · Conversion	−94.96K		—	36.36M