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Western Digital SVP Adds Dividend-Equivalent Rights in Routine Filing

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

On 23 June 2025, Western Digital Corp. (WDC) filed a Form 4 disclosing that its SVP & Principal Accounting Officer, Gene M. Zamiska, automatically acquired 66.941 dividend-equivalent rights on 18 June 2025. These rights relate to previously granted restricted stock units (RSUs) and carry a conversion rate of one WDC common share (or cash equivalent) per right when the underlying RSUs vest. The acquisition was reported under transaction code “A” at a price of $0.00, indicating no cash outlay by the insider. After the transaction, Zamiska’s beneficial ownership in this derivative class stands at 66.941 units. No common-stock sales or other dispositions were reported, and the filing contains no additional equity transactions.

Positive

  • None.

Negative

  • None.

Insights

TL;DR: Small, routine insider accrual of 66.9 dividend rights; signals normal compensation, negligible market impact.

The filing reflects a customary feature of Western Digital’s equity compensation—dividend-equivalent rights that accrue proportionally to unvested RSUs. Because the rights cost $0.00 and total fewer than 70 shares, the economic value is immaterial relative to WDC’s market capitalization and daily trading volume. There is no open-market purchase or sale, so the transaction does not convey a directional view on valuation. From a governance standpoint, timely reporting under Section 16(a) maintains compliance, but investors should treat the disclosure as neutral from a signaling or valuation perspective.

Insider Zamiska Gene M.
Role SVP & Princ. Acctg Officer
Type Security Shares Price Value
Grant/Award Dividend Equivalent Rights 66.941 $0.00 $0.00
Holdings After Transaction: Dividend Equivalent Rights — 66.941 shares (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.

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

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Form 4 Insider Transactions: What Each Field Means →
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*
Zamiska Gene M.
(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)
SVP & Princ. Acctg Officer
3. Date of Earliest Transaction (Month/Day/Year)
06/18/2025
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
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) 06/18/2025 A 66.941 (1) (1) Common Stock 66.941 $0.0 66.941 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: Gene Zamiska 06/23/2025
** 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.

Source: View Original Filing on SEC EDGAR