Western Digital (WDC) exec sells shares, settles RSU tax withholding

Rhea-AI Filing Summary

Western Digital executive Gubbi Vidyadhara K, Chief of Global Operations, reported multiple stock moves. On March 4, 2026, he sold a total of 10,148 shares of common stock in open-market transactions at prices around $269–$271, leaving 107,794 shares held directly afterward.

On March 3, 2026, dividend equivalent rights tied to restricted stock units converted into 47 shares of common stock, and 7,054 shares were withheld to cover tax obligations in connection with vesting, as permitted under Rule 16b-3(e).

Insider Trade Summary

Net Seller: 10,148 shares ($2,743,110)

Net Sell 5 txns

Insider Gubbi Vidyadhara K

Role Chief of Global Operations

Sold 10,148 shs ($2.74M)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,973	$269.57	$801K
Sale	Common Stock	7,175	$270.6172	$1.94M
Exercise	Dividend Equivalent Rights	47.627	$0.00	--
Exercise	Common Stock	47	$0.00	--
Tax Withholding	Common Stock	7,054	$250.61	$1.77M

Holdings After Transaction: Common Stock — 114,969 shares (Direct); Dividend Equivalent Rights — 255.026 shares (Direct)

Footnotes (1)

1. 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. Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/05/2026 - 07:54 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Gubbi Vidyadhara K

(Last) (First) (Middle)

C/O WESTERN DIGITAL CORPORATION

5601 GREAT OAKS PARKWAY

(Street)

SAN JOSE CA 95119

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WESTERN DIGITAL CORP [ WDC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief of Global Operations

3. Date of Earliest Transaction (Month/Day/Year)
03/03/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/03/2026		M		47(1)	A	$0.0	124,996	D
Common Stock	03/03/2026		F		7,054(2)	D	$250.61	117,942	D
Common Stock	03/04/2026		S		2,973	D	$269.57	114,969	D
Common Stock	03/04/2026		S		7,175	D	$270.6172	107,794	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Dividend Equivalent Rights	(1)	03/03/2026		M			47.6265	(1)	(1)	Common Stock	47.6265	$0.0	255.0258	D

Explanation of Responses:

1. 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.

2. Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

	By: /s/ Sandra Garcia Attorney-in-Fact For: Vidyadhara Gubbi	03/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did Western Digital (WDC) report for Gubbi Vidyadhara K?

Western Digital reported that executive Gubbi Vidyadhara K sold common stock, received shares from dividend equivalent rights, and had shares withheld for taxes tied to restricted stock unit vesting, combining open-market sales with equity award-related activity.

How many Western Digital shares did Gubbi Vidyadhara K sell and at what prices?

He sold 2,973 shares at $269.57 and 7,175 shares at $270.6172, totaling 10,148 Western Digital common shares in open-market transactions. These trades reflect discretionary stock sales by the company’s Chief of Global Operations.

How many Western Digital shares does Gubbi Vidyadhara K own after these Form 4 transactions?

After the reported transactions, Gubbi Vidyadhara K directly owns 107,794 shares of Western Digital common stock. This figure reflects his position following the March 4, 2026 open-market sales disclosed in the Form 4 filing.

What happened to the dividend equivalent rights reported for Western Digital (WDC)?

Dividend equivalent rights converted into and were paid as 47 shares of Western Digital common stock on a one-for-one basis when related restricted stock units vested. A small cash payment settled the remaining fractional right, according to the Form 4 footnote.

Why were 7,054 Western Digital shares disposed of in a tax-withholding transaction?

The 7,054-share disposition was to pay tax obligations by withholding securities when awards vested. This tax-withholding method, reported under code F, is allowed by Rule 16b-3(e) and did not represent an open-market sale by the executive.