Western Digital director granted dividend rights

A Western Digital director received a small grant of dividend equivalent rights tied to existing RSUs, modestly increasing her contingent equity-linked position.

Rhea-AI Filing Summary

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

WESTERN DIGITAL CORP (WDC) reported that director Roxanne Oulman received a grant of 0.5617 Dividend Equivalent Rights on September 17, 2026, linked to previously awarded restricted stock units. Each right represents a contingent right to receive one share of common stock or its cash value, bringing her directly held Dividend Equivalent Rights to 2.6783.

Insider Trade Summary

Grant/Award: 0.5617 shares

Grant/Award 1 txn

Insider Oulman Roxanne

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 +2 more

5 metrics

Dividend Equivalent Rights granted 0.5617 rights Grant to director Roxanne Oulman on September 17, 2026

Dividend Equivalent Rights after transaction 2.6783 rights Directly held by Roxanne Oulman following 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

Transaction price per right $0.0000 Reported price per Dividend Equivalent Right on the Form 4

Rule 10b5-1 plan status No plan affirmed Document-level Rule 10b5-1 checkbox is not checked

Key Terms

Dividend Equivalent Rights, restricted stock units, 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 financial

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

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.

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 report for Roxanne Oulman?

On September 17, 2026, Roxanne Oulman received 0.5617 Dividend Equivalent Rights tied to previously awarded restricted stock units, increasing her directly held Dividend Equivalent Rights to 2.6783.

What are Dividend Equivalent Rights in the WDC Form 4 filing?

Dividend Equivalent Rights are described as accruing on previously awarded restricted stock units (RSUs) and vesting proportionately with those RSUs. Each right represents a contingent right to receive one share of Western Digital common stock or the cash value of that share.

Did the Western Digital (WDC) insider transaction involve a market purchase or sale?

No market purchase or sale is reported. The Form 4 shows an acquisition under a grant or award of Dividend Equivalent Rights, with no price paid per right and no shares sold.

How many Dividend Equivalent Rights does Roxanne Oulman hold after this WDC transaction?

After the September 17, 2026 grant, Roxanne Oulman directly holds 2.6783 Dividend Equivalent Rights, each linked to Western Digital common stock or its cash value as they vest with the underlying RSUs.

Was the WDC insider transaction made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked as affirmative, and no footnote states that the transaction was 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 09/21/2026 - 06:35 PM Accepted by SEC EDGAR 09/21/2026 - 06:35 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^*

Oulman Roxanne

(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: Roxanne Oulman	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)