WDC holder plans sale of 20,000 shares

A person named Irving Tan has filed a notice of proposed sale of 20,000 shares of common stock of the issuer, to be sold through Morgan Stanley Smith Barney LLC on the NASDAQ.

Rhea-AI Filing Summary

A person named Irving Tan has filed a notice of proposed sale of 20,000 shares of common stock of the issuer, to be sold through Morgan Stanley Smith Barney LLC on the NASDAQ. The filing lists an aggregate market value of $5,108,832 for these shares, with 339,037,922 shares of the issuer’s common stock outstanding.

The shares to be sold were acquired as restricted stock from the issuer on March 20, 2025. The notice also reports that Irving Tan sold an additional 20,000 common shares on November 3, 2025 for gross proceeds of $3,013,782. The approximate date for the new sale is given as February 2, 2026.

FAQ

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

How many WDC shares are proposed for sale in this Form 144?

20,000 shares of common stock are proposed for sale. The filing lists an aggregate market value of $5,108,832 for these shares, with the sale expected to take place on or around February 2, 2026 on the NASDAQ.

Who is the seller named in this WDC Form 144 filing?

The filing identifies Irving Tan as the person for whose account the 20,000 common shares are to be sold. His address is listed as 5601 Great Oaks Parkway, San Jose, CA 95119, consistent with the disclosure requirements under Rule 144.

Through which broker will the WDC shares be sold under this Form 144?

The proposed sale will be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004. The filing states that the 20,000 common shares are to be sold on the NASDAQ market.

What prior WDC share sales does the Form 144 disclose?

The notice reports that Irving Tan sold 20,000 common shares on November 3, 2025, generating gross proceeds of $3,013,782. This disclosure covers securities of the same issuer sold within the past three months, as required by Rule 144 reporting.

When and how were the WDC shares in this Form 144 acquired?

The 20,000 common shares covered by this notice were acquired on March 20, 2025 as restricted stock from the issuer. The filing lists the nature of payment as “Not Applicable”, indicating no separate cash purchase arrangement at acquisition.

How many WDC shares are outstanding according to this Form 144?

The filing states that there are 339,037,922 shares of common stock outstanding. This figure provides context for the proposed sale of 20,000 shares, showing the overall size of the issuer’s equity base at the time of the notice.

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

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Accepted by SEC EDGAR 02/02/2026 - 04:06 PM EST Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001729518
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	WESTERN DIGITAL CORPORATION
SEC File Number	001-08703
Address of Issuer	5601 Great Oaks Parkway San Jose CALIFORNIA 95119
Phone	(408) 717-6000
Name of Person for Whose Account the Securities are To Be Sold	IRVING TAN
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	20000	5108832.00	339037922	02/02/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/20/2025	Restricted Stock	Issuer			20000	03/20/2025	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
IRVING TAN 5601 Great Oaks Parkway San Jose CA 95119	Common	11/03/2025	20000	3013782.00

144: Remarks and Signature

Remarks
Date of Notice	02/02/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/12/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Irving Tan
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)