DUFFIELD DAVID A sold 46.3% of their position (90.61K shares) of WORKDAY, INC. on the open market

Open‑market sale worth $17.95M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 8 sales

DUFFIELD DAVID A

Filed: 9/9/2026ACC: 0000938071-26-000051

InsiderDUFFIELD DAVID ACIK 938071

→

IssuerWORKDAY, INC.CIK 1327811

10% Owner

Since Mar 2026

-90.61K

Net shares

Net seller

$17.95M

Total sold

Open market trades

0B · 8S

Total transactions

90.61K acquired · 181.23K disposed

Non-Derivative Transactions9

Class A Common Stock

Direct

C · Conversion

+90.61K

Price / share

—

Trade value

—

% of position

86.3%

9/4/2026

105.05K→195.66K

Class A Common Stock

Direct

S · Sale

−13.67K

Price / share

$195.81

Trade value

$2.68M

% of position

7.0%

9/4/2026

195.66K→182K

Class A Common Stock

Direct

S · Sale

−6.24K

Price / share

$196.73

Trade value

$1.23M

% of position

3.4%

9/4/2026

182K→175.76K

Class A Common Stock

Direct

S · Sale

−31.61K

Price / share

$198.11

Trade value

$6.26M

% of position

18.0%

9/4/2026

175.76K→144.15K

Class A Common Stock

Direct

S · Sale

−30.05K

Price / share

$198.87

Trade value

$5.98M

% of position

20.8%

9/4/2026

144.15K→114.10K

Class A Common Stock

Direct

S · Sale

−7.63K

Price / share

$199.91

Trade value

$1.53M

% of position

6.7%

9/4/2026

114.10K→106.47K

Class A Common Stock

Direct

S · Sale

−224.00

Price / share

$200.59

Trade value

$44.93K

% of position

0.2%

9/4/2026

106.47K→106.25K

Class A Common Stock

Direct

S · Sale

−600.00

Price / share

$201.75

Trade value

$121.05K

% of position

0.6%

9/4/2026

106.25K→105.65K

Class A Common Stock

Direct

S · Sale

−600.00

Price / share

$204.05

Trade value

$122.43K

% of position

0.6%

9/4/2026

105.65K→105.05K

Total

Net shares

+0.00

Net value

-$17.95M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	9/4/2026	C · Conversion	+90.61K	—	—	86.3%	105.05K	195.66K
Class A Common Stock Direct	9/4/2026	S · Sale	−13.67K	$195.81	$2.68M	7.0%	195.66K	182K
Class A Common Stock Direct	9/4/2026	S · Sale	−6.24K	$196.73	$1.23M	3.4%	182K	175.76K
Class A Common Stock Direct	9/4/2026	S · Sale	−31.61K	$198.11	$6.26M	18.0%	175.76K	144.15K
Class A Common Stock Direct	9/4/2026	S · Sale	−30.05K	$198.87	$5.98M	20.8%	144.15K	114.10K
Class A Common Stock Direct	9/4/2026	S · Sale	−7.63K	$199.91	$1.53M	6.7%	114.10K	106.47K
Class A Common Stock Direct	9/4/2026	S · Sale	−224.00	$200.59	$44.93K	0.2%	106.47K	106.25K
Class A Common Stock Direct	9/4/2026	S · Sale	−600.00	$201.75	$121.05K	0.6%	106.25K	105.65K
Class A Common Stock Direct	9/4/2026	S · Sale	−600.00	$204.05	$122.43K	0.6%	105.65K	105.05K
Total			+0.00		-$17.95M

Derivative Transactions1

Class B Common Stock

Direct

C · Conversion

Converts to

Class A Common Stock

90.61K shares

−90.61K

Strike price

Held after

36.27M

Exercisable

—

9/4/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Class B Common Stock Direct	Class A Common Stock90.61K shares	9/4/2026	C · Conversion	−90.61K		—	36.27M