Western Digital CFO granted 46.5 dividend rights

Western Digital’s CFO received additional dividend equivalent rights linked to existing RSUs, increasing his reported derivative holdings.

Rhea-AI Filing Summary

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

WESTERN DIGITAL CORP (WDC) reported that its Chief Financial Officer, Kris Sennesael, received an automatic grant of 46.5075 Dividend Equivalent Rights on September 17, 2026, tied to previously awarded restricted stock units. After this grant, he holds 490.8297 Dividend Equivalent Rights directly.

Each Dividend Equivalent Right represents a contingent right to receive one share of common stock or its cash value, and these rights vest proportionately with the underlying restricted stock units to which they relate.

Insider Trade Summary

Grant/Award: 46.5075 shares

Grant/Award 1 txn

Insider Sennesael Kris

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Dividend Equivalent Rights F1	46.5075	$0.00	$0.00

Holdings After Transaction: Dividend Equivalent Rights — 490.8297 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: 46.5075 rights Dividend Equivalent Rights held after grant: 490.8297 rights Award price per Dividend Equivalent Right: $0.0000 per right +2 more

5 metrics

Dividend Equivalent Rights granted 46.5075 rights Grant to Kris Sennesael on September 17, 2026

Dividend Equivalent Rights held after grant 490.8297 rights Directly held by Kris Sennesael following the transaction

Award price per Dividend Equivalent Right $0.0000 per right Reported transaction price for the September 17, 2026 grant

Underlying common shares per right 1 share per right Each Dividend Equivalent Right represents a contingent right to one share or its cash value

Transaction date September 17, 2026 Date of grant of 46.5075 Dividend Equivalent Rights

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"

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"

FAQ

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

What did Western Digital (WDC) disclose about Kris Sennesael in this Form 4?

The filing reports that Western Digital’s Chief Financial Officer, Kris Sennesael, was granted 46.5075 Dividend Equivalent Rights on September 17, 2026, increasing his directly held Dividend Equivalent Rights to 490.8297.

What are Dividend Equivalent Rights in the WDC Form 4?

Dividend Equivalent Rights in this filing are described as rights that accrued on previously awarded RSUs and vest 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.

How many Dividend Equivalent Rights does the WDC CFO hold after this transaction?

After the reported grant, Western Digital’s CFO, Kris Sennesael, holds 490.8297 Dividend Equivalent Rights directly, according to the Form 4 disclosure.

Was the Western Digital (WDC) Form 4 transaction made under a Rule 10b5-1 plan?

No. The Form 4 indicates the Rule 10b5-1 checkbox is not marked, so no Rule 10b5-1 trading plan is reported in connection with this grant of Dividend Equivalent Rights.

Do the Dividend Equivalent Rights in the WDC filing pay cash dividends now?

The filing states each Dividend Equivalent Right is a contingent right to receive one share of common stock or its cash value and that these rights vest with the related RSUs. It does not describe current cash dividend payments from the rights themselves.

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

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Available on EDGAR 09/21/2026 - 06:36 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^*

Sennesael Kris

(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 Financial Officer

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		46.5075		(1)	(1)	Common Stock	46.5075	$0.0	490.8297	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: Kris Sennesael	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)