DUFFIELD DAVID A

PrivateCIK: 938071
Location

PLEASANTON, CA

DUFFIELD DAVID A sold 49.0% of their position (100.78K shares) of WORKDAY, INC. on the open market

Open‑market sale worth $18.71M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 5 sales
InsiderDUFFIELD DAVID ACIK 938071
→
IssuerWORKDAY, INC.CIK 1327811
10% Owner
Since Mar 2026
-100.78K
Net shares
Net seller
$18.71M
Total sold
5
Open market trades
0B · 5S
7
Total transactions
100.78K acquired · 201.56K disposed
Non-Derivative Transactions6

Class A Common Stock

Direct
C · Conversion

Shares

+100.78K

Price / share

—

Trade value

—

% of position

95.9%
9/10/2026
105.05K→205.83K

Class A Common Stock

Direct
S · Sale

Shares

−27.88K

Price / share

$184.33

Trade value

$5.14M

% of position

13.5%
9/10/2026
205.83K→177.95K

Class A Common Stock

Direct
S · Sale

Shares

−23.55K

Price / share

$184.98

Trade value

$4.36M

% of position

13.2%
9/10/2026
177.95K→154.40K

Class A Common Stock

Direct
S · Sale

Shares

−24.46K

Price / share

$186.26

Trade value

$4.56M

% of position

15.8%
9/10/2026
154.40K→129.93K

Class A Common Stock

Direct
S · Sale

Shares

−22.39K

Price / share

$187.05

Trade value

$4.19M

% of position

17.2%
9/10/2026
129.93K→107.54K

Class A Common Stock

Direct
S · Sale

Shares

−2.49K

Price / share

$187.75

Trade value

$468.05K

% of position

2.3%
9/10/2026
107.54K→105.05K
Total

Net shares

+0.00

Net value

-$18.71M

Derivative Transactions1

Class B Common Stock

Direct
C · Conversion
Converts to

Class A Common Stock

100.78K shares

Shares

−100.78K

Strike price

Held after

36.17M

Exercisable

—

9/10/2026
DUFFIELD DAVID A — Insider Transaction (Form 4) Filed Sep 14, 2026 | Finecho