Western Digital officer sells 1,795 shares at $460

Western Digital’s Chief of Global Operations reported a small net sale of common stock, along with tax-withholding shares and dividend-equivalent conversions.

Rhea-AI Filing Summary

WESTERN DIGITAL CORP (WDC) officer Vidyadhara K Gubbi, Chief of Global Operations, reported several equity transactions. On September 4, 2026, he sold 1,795 shares of common stock at $459.8732 per share. On September 3, 2026, dividend equivalent rights converted into 14.1166 shares of common stock, and 1,764 shares of common stock were withheld to pay tax obligations incident to vesting, all held directly. No Rule 10b5-1 trading plan is reported.

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 4 txns

Insider Gubbi Vidyadhara K

Role Chief of Global Operations

Sold 1,795 shs ($825K)

Approx. gross sale proceeds $825K

Type	Security	Shares	Price	Value
Sale	Common Stock	1,795	$459.8732	$825K
Exercise	Dividend Equivalent Rights F1	14.1166	$0.00	$0.00
Exercise	Common Stock F1	14	$0.00	$0.00
Tax Withholding	Common Stock F2	1,764	$441.57	$779K

Holdings After Transaction: Dividend Equivalent Rights — 194.1244 contracts (Direct); Common Stock — 80,571 shares (Direct)

Footnotes (2)

1. F1. 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. F2. Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

Key Figures

Common shares sold: 1,795 shares Sale price per share: $459.8732 per share Shares withheld for taxes: 1,764 shares +3 more

6 metrics

Common shares sold 1,795 shares Sale of Western Digital common stock on September 4, 2026

Sale price per share $459.8732 per share Common stock sale on September 4, 2026

Shares withheld for taxes 1,764 shares Tax-withholding disposition on September 3, 2026

Tax-withholding value per share $441.57 per share Payment of tax obligation by withholding securities under Rule 16b-3(e)

Dividend equivalent rights converted 14.1166 rights/shares Converted into common stock on September 3, 2026

Dividend equivalent rights remaining 194.1244 rights Balance of dividend equivalent rights after conversion

Key Terms

Dividend Equivalent Rights, restricted stock units, Rule 16b-3(e)

3 terms

Dividend Equivalent Rights financial

"The dividend equivalent rights were converted into, and paid in the form of, shares"

Dividend equivalent rights are promises that mirror the cash payments shareholders get from a company’s profits, but they are paid to holders of certain awards (like stock options or restricted stock units) rather than to actual shares. Think of them as a paycheck top‑up that matches dividends while the award is not yet a real stock, and they matter to investors because they add to employee compensation costs and potential share dilution, affecting company profitability and per‑share value.

restricted stock units financial

"in connection with the vesting of restricted stock units to which the dividend"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Rule 16b-3(e) regulatory

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

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did WDC’s Chief of Global Operations report?

Vidyadhara K Gubbi reported selling 1,795 shares of Western Digital common stock on September 4, 2026, plus dividend-equivalent conversions and tax-withholding share dispositions on September 3, 2026, all in direct ownership.

How many Western Digital (WDC) shares did the insider sell and at what price?

On September 4, 2026, the officer sold 1,795 common shares of Western Digital at a reported price of $459.8732 per share in an open-market or private transaction.

What happened to the dividend equivalent rights reported for WDC?

On September 3, 2026, 14.1166 dividend equivalent rights were converted one-for-one into 14.1166 shares of Western Digital common stock, with a cash payment made to settle a fractional right. The filing reports 194.1244 such rights remaining afterward.

How many WDC shares were withheld for tax purposes in this Form 4?

On September 3, 2026, 1,764 shares of Western Digital common stock were disposed of by withholding to pay a tax obligation incident to the vesting of securities, at a reported value of $441.57 per share under Rule 16b-3(e).

Were Western Digital (WDC) insider trades made under a Rule 10b5-1 plan?

No. The Form 4 indicates the Rule 10b5-1 plan affirmation box is not checked, and there is no footnote stating that the reported transactions were made pursuant to a Rule 10b5-1 trading plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/08/2026 - 08:13 PM EDT Accepted by SEC EDGAR 09/08/2026 - 08:13 PM EDT 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 CALIFORNIA 95119

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/03/2026

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

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

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

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	09/03/2026		M		14(1)	A	$0.0	84,130	D
Common Stock	09/03/2026		F		1,764(2)	D	$441.57	82,366	D
Common Stock	09/04/2026		S		1,795	D	$459.8732	80,571	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)	09/03/2026		M			14.1166	(1)	(1)	Common Stock	14.1166	$0.0	194.1244	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	09/08/2026
	** 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.
* Form 4: SEC 1474 (03-26)