Irving Tan Files Form 4 for Western Digital Corp.

TL;DR

**Insider Irving Tan filed a Form 4 for WDC, signaling a change in ownership.**

AI Summary

This Form 4 filing, dated March 24, 2026, indicates that Irving Tan, a reporting insider, has filed a statement of changes in beneficial ownership of securities for Western Digital Corp. (WDC). While the filing itself doesn't detail specific transactions, it signals that Tan, likely an executive or director, has had a change in their holdings. This matters to investors because insider activity can sometimes signal management's confidence (or lack thereof) in the company's future prospects, potentially influencing stock price.

Why It Matters

This filing signals a change in an insider's stake, which can be a subtle indicator of their view on the company's future performance. Investors often watch these filings for clues about potential stock movements.

Risk Assessment

Risk Level: low — A Form 4 filing itself is a routine disclosure and doesn't inherently carry high risk, though the underlying transaction might.

Analyst Insight

A smart investor would review the primary document of this Form 4 to understand the specific transaction (e.g., a sale, purchase, or grant) made by Irving Tan and consider its potential implications in the context of Western Digital's recent performance and future outlook.

Key Players & Entities

• Tan Irving (person) — Reporting insider
• WESTERN DIGITAL CORP (company) — Issuer of securities
• 0001729518 (person) — CIK for Tan Irving
• 0000106040 (company) — CIK for Western Digital Corp.

Forward-Looking Statements

• The full details of Irving Tan's transaction (buy/sell, quantity, price) will be available within the primary document of this filing. (Irving Tan) — high confidence, target: 2026-03-24

FAQ

Filing Documents

• primary_doc.html (4)
• primary_doc.xml (4) — 7KB
• 0001266824-26-000073.txt ( ) — 9KB

From the Filing

SEC FORM 4 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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) X Director 10% Owner X Officer (give title below) Other (specify below) Chief Executive Officer 2a. Foreign Trading Symbol 3. Date of Earliest Transaction (Month/Day/Year) 03/20/2026 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 Common Stock 03/20/2026 M 49 (1) A $ 0 619,192 D Common Stock 03/20/2026 F 1,042 (2) D $ 293.1 618,150 D 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) 03/20/2026 M 49.3438 (1) (1) Common Stock 49.3438 $ 0 948.8441 D 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). /s/ Sandra Garcia Attorney-in-Fact for Irving Tan 03/24/2026 ** 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)

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View this 4 filing on SEC EDGAR