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

Open‑market sale worth $12.28M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 9 sales

DUFFIELD DAVID A

Filed: 6/24/2026ACC: 0000938071-26-000038

InsiderDUFFIELD DAVID ACIK 938071

→

IssuerWORKDAY, INC.CIK 1327811

10% Owner

Since Mar 2026

-107.50K

Net shares

Net seller

$12.28M

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%

6/22/2026

105.05K→212.55K

Class A Common Stock

Direct

S · Sale

−16.01K

Price / share

$112.08

Trade value

$1.79M

% of position

7.5%

6/22/2026

212.55K→196.54K

Class A Common Stock

Direct

S · Sale

−49.76K

Price / share

$112.92

Trade value

$5.62M

% of position

25.3%

6/22/2026

196.54K→146.78K

Class A Common Stock

Direct

S · Sale

−6.92K

Price / share

$114.15

Trade value

$789.90K

% of position

4.7%

6/22/2026

146.78K→139.86K

Class A Common Stock

Direct

S · Sale

−7.03K

Price / share

$114.94

Trade value

$808.40K

% of position

5.0%

6/22/2026

139.86K→132.83K

Class A Common Stock

Direct

S · Sale

−3.90K

Price / share

$116.16

Trade value

$453.01K

% of position

2.9%

6/22/2026

132.83K→128.93K

Class A Common Stock

Direct

S · Sale

−10.59K

Price / share

$117.20

Trade value

$1.24M

% of position

8.2%

6/22/2026

128.93K→118.34K

Class A Common Stock

Direct

S · Sale

−7.60K

Price / share

$118.15

Trade value

$898.19K

% of position

6.4%

6/22/2026

118.34K→110.74K

Class A Common Stock

Direct

S · Sale

−4.15K

Price / share

$119.05

Trade value

$494.17K

% of position

3.7%

6/22/2026

110.74K→106.59K

Class A Common Stock

Direct

S · Sale

−1.54K

Price / share

$119.84

Trade value

$184.56K

% of position

1.4%

6/22/2026

106.59K→105.05K

Total

Net shares

+0.00

Net value

-$12.28M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	6/22/2026	C · Conversion	+107.50K	—	—	102.3%	105.05K	212.55K
Class A Common Stock Direct	6/22/2026	S · Sale	−16.01K	$112.08	$1.79M	7.5%	212.55K	196.54K
Class A Common Stock Direct	6/22/2026	S · Sale	−49.76K	$112.92	$5.62M	25.3%	196.54K	146.78K
Class A Common Stock Direct	6/22/2026	S · Sale	−6.92K	$114.15	$789.90K	4.7%	146.78K	139.86K
Class A Common Stock Direct	6/22/2026	S · Sale	−7.03K	$114.94	$808.40K	5.0%	139.86K	132.83K
Class A Common Stock Direct	6/22/2026	S · Sale	−3.90K	$116.16	$453.01K	2.9%	132.83K	128.93K
Class A Common Stock Direct	6/22/2026	S · Sale	−10.59K	$117.20	$1.24M	8.2%	128.93K	118.34K
Class A Common Stock Direct	6/22/2026	S · Sale	−7.60K	$118.15	$898.19K	6.4%	118.34K	110.74K
Class A Common Stock Direct	6/22/2026	S · Sale	−4.15K	$119.05	$494.17K	3.7%	110.74K	106.59K
Class A Common Stock Direct	6/22/2026	S · Sale	−1.54K	$119.84	$184.56K	1.4%	106.59K	105.05K
Total			+0.00		-$12.28M

Derivative Transactions1

Class B Common Stock

Direct

C · Conversion

Converts to

Class A Common Stock

107.50K shares

−107.50K

Strike price

Held after

36.88M

Exercisable

—

6/22/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Class B Common Stock Direct	Class A Common Stock107.50K shares	6/22/2026	C · Conversion	−107.50K		—	36.88M