Western Digital director receives dividend rights grant

Director Bruce E. Kiddoo received a small dividend-equivalent rights grant linked to existing RSUs at Western Digital.

Rhea-AI Filing Summary

WESTERN DIGITAL CORP (symbol: WDC) is the issuer of record for a Form 4 filing submitted to the SEC. KIDDOO BRUCE E reported acquisition or exercise transactions in this Form 4 filing.

WESTERN DIGITAL CORP (WDC) reported that director Bruce E. Kiddoo received a grant of dividend equivalent rights on September 17, 2026, tied to previously awarded restricted stock units. The award covers 0.5617 dividend equivalent rights, bringing his directly held dividend equivalent rights to 2.6783, each linked to an equivalent amount of common stock or its cash value as they vest with the underlying RSUs.

Insider Trade Summary

Grant/Award: 0.5617 shares

Grant/Award 1 txn

Insider KIDDOO BRUCE E

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Dividend Equivalent Rights F1	0.5617	$0.00	$0.00

Holdings After Transaction: Dividend Equivalent Rights — 2.6783 contracts (Direct)

Footnotes (1)

1. F1. The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

Key Figures

Dividend equivalent rights granted: 0.5617 rights Dividend equivalent rights after transaction: 2.6783 rights Underlying common stock per right: 1 share or cash value

3 metrics

Dividend equivalent rights granted 0.5617 rights Grant to director Bruce E. Kiddoo on September 17, 2026

Dividend equivalent rights after transaction 2.6783 rights Total directly held by Bruce E. Kiddoo after the grant

Underlying common stock per right 1 share or cash value Each dividend equivalent right represents a contingent right to one share of common stock or its cash value

Key Terms

Dividend Equivalent Rights, restricted stock units (RSUs), contingent right

3 terms

Dividend Equivalent Rights financial

"The dividend equivalent rights accrued on previously awarded restricted stock units"

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 (RSUs) financial

"accrued on previously awarded restricted stock units (RSUs) which vest proportionately"

Restricted stock units (RSUs) are a type of company promise to give employees shares of stock in the future, usually after certain conditions like working for a set time. They are like a gift promised today that you receive later, which can become valuable if the company's stock price goes up. RSUs matter because they are a way companies reward employees and can be a significant part of compensation.

contingent right financial

"Each dividend equivalent right represents a contingent right to receive one share"

FAQ

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

What insider transaction did WDC disclose for director Bruce E. Kiddoo?

Western Digital disclosed that Bruce E. Kiddoo received 0.5617 dividend equivalent rights on September 17, 2026, as a grant tied to previously awarded restricted stock units, increasing his directly held dividend equivalent rights to 2.6783.

What are the dividend equivalent rights reported in WDC's Form 4?

The filing states that each dividend equivalent right accrued on previously awarded RSUs and represents a contingent right to receive one share of Western Digital common stock or the cash value thereof, vesting proportionately with the related RSUs.

Does Western Digital receive cash from this Form 4 transaction?

No cash transaction is described. The Form 4 reports a grant of dividend equivalent rights with a reported price per right of $0.0000, reflecting a compensatory equity-related award rather than a purchase or sale for cash.

How many dividend equivalent rights does Bruce E. Kiddoo hold after this WDC grant?

After the September 17, 2026 grant of 0.5617 dividend equivalent rights, the Form 4 reports that Bruce E. Kiddoo directly holds a total of 2.6783 dividend equivalent rights linked to Western Digital common stock.

Are the reported dividend equivalent rights in WDC's filing tied to common stock?

Yes. The Form 4 identifies the underlying security as Common Stock, and the footnote explains that each dividend equivalent right represents a contingent right to receive one share of common stock or its cash value as the related RSUs vest.

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

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Available on EDGAR 09/21/2026 - 06:35 PM Accepted by SEC EDGAR 09/21/2026 - 06:34 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^*

KIDDOO BRUCE E

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/17/2026

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

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)	09/17/2026		A		0.5617		(1)	(1)	Common Stock	0.5617	$0.0	2.6783	D

Explanation of Responses:

1. The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.

	By: /s/ Sandra Garcia Attorney-in-Fact For: Bruce Kiddoo	09/21/2026
	** 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)