WESTERN DIGITAL CORP — Director's Dealing 2026

Feb 19, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTERN DIGITAL CORP (WDC)
CIK: 0000106040
Period of Report: 2026-02-17

Reporting Person: Davis Brian Scott (Chief Sales & Mrktng Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-17	Common Stock	S	342	$272.9731	Disposed	131450	Direct
2026-02-17	Common Stock	S	600	$274.09	Disposed	130850	Direct
2026-02-17	Common Stock	S	870	$275.1187	Disposed	129980	Direct
2026-02-17	Common Stock	S	540	$276.2183	Disposed	129440	Direct
2026-02-17	Common Stock	S	2129	$277.3657	Disposed	127311	Direct
2026-02-17	Common Stock	S	972	$278.2822	Disposed	126339	Direct
2026-02-17	Common Stock	S	406	$279.532	Disposed	125933	Direct
2026-02-17	Common Stock	S	929	$280.8314	Disposed	125004	Direct
2026-02-17	Common Stock	S	995	$281.9953	Disposed	124009	Direct
2026-02-17	Common Stock	S	902	$282.6582	Disposed	123107	Direct
2026-02-17	Common Stock	S	400	$283.93	Disposed	122707	Direct
2026-02-17	Common Stock	S	915	$285.0074	Disposed	121792	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 3, 2025.

F2: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices
ranging from a low of $272.3250 to a high of $273.31. 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.

F3: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices
ranging from a low of $273.62 to a high of $274.4950. 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.

F4: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices
ranging from a low of $274.69 to a high of $275.5850. 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.

F5: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices
ranging from a low of $275.76 to a high of $276.55. 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.

F6: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices
ranging from a low of $276.81 to a high of $277.75. 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.

F7: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices
ranging from a low of $277.93 to a high of $278.71. 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.

F8: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices
ranging from a low of $279.12 to a high of $280.00. 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.

F9: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices
ranging from a low of $280.29 to a high of $281.21. 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.

F10: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices
ranging from a low of $281.34 to a high of $282.19. 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.

F11: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices
ranging from a low of $282.35 to a high of $282.99. 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.

F12: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices
ranging from a low of $283.65 to a high of $284.21. 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.

F13: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices
ranging from a low of $284.96 to a high of $285.35. 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.