Insider trade

CEO exercised or converted 23 WDC derivative securities

Traded May 21, 2026 · Filed May 22, 2026

Western DigitalWDC

23
Shares

Why it stands out

Derivative exercise or conversion — not an open-market buy.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: May 21, 2026
Reporting period: Not applicable
Filed with the SEC: May 22, 2026

CEOOption exercise

Context

Classification

option exercise

Code M — exercise or conversion of a derivative security

Planned / mechanical clue

Footnote references vesting of compensation awards

Only flagged when a footnote says so; never inferred

Source receipt

Record ID: 0001266824-26-000098

Filed / recorded

May 22, 2026, 11:23 PM UTC

Added to OQRO

Oct 2, 2026, 12:29 PM UTC

Parser

form4-xml-v1

Data quality

Verified: identifiers matched exactly

Issuer

WESTERN DIGITAL CORP

Issuer CIK

106040

Ticker

WDC

Reporting person

Irving Tan

Relationship

Director, Officer

Officer title

Chief Executive Officer

Security

Common Stock

Table

Non-derivative (Table I)

Transaction date

May 21, 2026

Transaction code

M

Shares / units

23

Price per share

$0.00

Acquired / disposed

Acquired (A)

Shares owned after

598,040

Ownership form

Direct

Amendment

No

Footnotes from the filing

The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Around the same time

Director sold ~$25K of Western Digital

Scheduled in advance4mo ago

Director sold ~$34K of Western Digital

Scheduled in advance4mo ago

Director sold ~$26K of Western Digital

Scheduled in advance4mo ago