STOCK TITAN

Western Digital (WDC) CEO nets more stock after RSU and dividend rights vest

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

Rhea-AI Filing Summary

Western Digital Corp Chief Executive Officer Irving Tan reported routine equity compensation activity involving company stock. On May 25, 2026, 479 shares of common stock were disposed of at $484.28 per share to pay tax obligations tied to vesting securities, a non-market transaction under Rule 16b-3(e). The filing also shows the conversion of 30.3301 Dividend Equivalent Rights into the same number of common shares in connection with vesting restricted stock units, plus a small cash payment for a fractional right. Following these transactions, Tan directly held 597,483 shares of common stock, indicating the events primarily reflect compensation vesting and tax withholding rather than open-market trading.

Positive

  • None.

Negative

  • None.
Insider Tan Irving
Role Chief Executive Officer
Type Security Shares Price Value
Exercise Dividend Equivalent Rights 30.33 $0.00 --
Exercise Common Stock 30 $0.00 --
Tax Withholding Common Stock 479 $484.28 $232K
Holdings After Transaction: Dividend Equivalent Rights — 882.273 shares (Direct, null); Common Stock — 597,483 shares (Direct, null)
Footnotes (1)
  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. Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).
Tax-withholding shares 479 shares Common stock withheld to pay tax obligation
Withholding price $484.28 per share Value used for tax-withholding disposition
Dividend Equivalent Rights converted 30.3301 rights Converted one-for-one into common stock at vesting
Post-transaction common shares 597,483 shares Direct holdings of common stock after transactions
Post-transaction DER balance 882.2734 rights Remaining Dividend Equivalent Rights after conversion
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.
fractional dividend equivalent right financial
"A cash amount was also paid to the holder to settle a fractional dividend equivalent right"
tax obligation financial
"Payment of tax obligation by withholding securities incident to the vesting"
Rule 16b-3(e) regulatory
"withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e)"
SEC Form 4
FORM 4UNITED 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*
Tan Irving

(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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/25/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock05/25/2026M30(1)A$0.0597,483D
Common Stock05/25/2026F479(2)D$484.28597,004D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Dividend Equivalent Rights(1)05/25/2026M30.3301 (1) (1)Common Stock30.3301$0.0882.2734D
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: Irving Tan05/27/2026
** Signature of Reporting PersonDate
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)

FAQ

What did Western Digital (WDC) CEO Irving Tan report in this Form 4?

Irving Tan reported routine compensation-related activity, including tax withholding and the conversion of dividend equivalent rights into common stock. These actions reflect equity vesting and associated tax payments, not open-market buying or selling of Western Digital shares.

How many Western Digital shares were used to cover Irving Tan’s tax obligations?

The Form 4 shows that 479 shares of Western Digital common stock were withheld at $484.28 per share. This withholding satisfied tax obligations arising from the vesting of equity awards, and is classified as a non-market, tax-withholding disposition.

What are Dividend Equivalent Rights in Irving Tan’s Western Digital filing?

Dividend Equivalent Rights are compensation-linked derivatives that mirror dividends on underlying shares. In this case, 30.3301 rights were converted one-for-one into common stock when related restricted stock units vested, with a small cash payment used to settle a fractional right.

Did Irving Tan buy or sell Western Digital stock on the open market?

The reported transactions do not involve open-market purchases or sales. They consist of a tax-withholding disposition of shares and the conversion of dividend equivalent rights upon vesting of restricted stock units, both standard equity compensation events.

How many Western Digital shares does Irving Tan hold after these transactions?

After the reported vesting and tax-withholding events, Irving Tan directly held 597,483 shares of Western Digital common stock. This figure reflects his post-transaction ownership position according to the Form 4 filing’s non-derivative holdings column.

Are these Western Digital CEO transactions significant for common shareholders?

These transactions appear routine, tied to equity award vesting and related tax obligations rather than discretionary market trades. They adjust Irving Tan’s holdings slightly but mainly document standard executive compensation mechanics rather than signaling a change in investment outlook.