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$WDC All transactions

WESTERN DIGITAL CORP

▼ SELL 10b5-1 Plan

$ Value

$54K

Shares

193

Price

$281

Filed

Mar 3

Insider

Name

Cole Martin I

Title

CIK

0001302874

Roles

Director

Transaction Details

Transaction Date

2026-03-02

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

29,533

Footnotes

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 1, 2025. | Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $265.50 to a high of $266.05. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. | Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $267.34 to a high of $268.31. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. | Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $268.36 to a high of $269.35. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. | Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $269.36 to a high of $270.14. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. | Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $271.19 to a high of $272.09. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. | Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $272.20 to a high of $273.14. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. | Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $273.28 to a high of $273.85. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. | Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $274.47 to a high of $275.10. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. | Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $276.06 to a high of $276.99. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. | Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $278.73 to a high of $278.99. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. | Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $280.44 to a high of $280.99. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Filing Info

Accession No.

0001266824-26-000031

Form Type

4

Issuer CIK

0000106040

Cole Martin I's History

Date Ticker Type Value
2026-03-18 WDC A $0
2026-03-02 WDC $26K
2026-03-02 WDC $80K
2026-03-02 WDC $80K
2026-03-02 WDC $170K
2026-03-02 WDC $261K
2026-03-02 WDC $380K
2026-03-02 WDC $300K
2026-03-02 WDC $55K
2026-03-02 WDC $82K

Other Insiders at WDC (90d)

Insider Bought Sold Last
STREETER STEPHANIE A 2026-03-18
DOLUCA TUNC 2026-03-18
KIDDOO BRUCE E 2026-03-18
MASSENGILL MATTHEW E $9.6M 2026-03-18
Cole Martin I $1.6M 2026-03-18
Alexy Kimberly 2026-03-18
Sennesael Kris
Chief Financial Officer
2026-03-18
Oulman Roxanne 2026-03-18
Feller Brad
SVP & Chief Accounting Officer
2026-03-18
Tan Irving
Chief Executive Officer
$5.1M 2026-03-20
Tregillis Cynthia L
Chief Legal Officer & Corp Sec
$4.7M 2026-04-21
Davis Brian Scott
Chief Sales & Mrktng Officer
$2.8M 2026-03-20
Gubbi Vidyadhara K
Chief of Global Operations
$4.9M 2026-04-20
Shihab Ahmed Mohammed
Chief Product Officer
2026-03-18