Western Digital officer plans $825K stock sale

WESTERN DIGITAL CORP (WDC) has a notice of proposed sale filed under Rule 144 for its common stock by officer Vidyadhara K. Gubbi.

Rhea-AI Filing Summary

WESTERN DIGITAL CORP (WDC) has a notice of proposed sale filed under Rule 144 for its common stock by officer Vidyadhara K. Gubbi. The notice covers 1,795 shares of restricted stock, originally acquired from the issuer on June 3, 2026, to be sold through Morgan Stanley Smith Barney LLC.

Key Figures

Shares proposed for sale: 1,795 shares Associated market value: $825,472.39 Planned sale date: September 4, 2026 +2 more

5 metrics

Shares proposed for sale 1,795 shares Common stock covered by the Rule 144 notice

Associated market value $825,472.39 Value listed for the 1,795 Western Digital shares

Planned sale date September 4, 2026 Date listed with the NASDAQ entry for the proposed sale

Shares acquired 1,795 shares Restricted stock acquired from the issuer on June 3, 2026

Acquisition date June 3, 2026 Date the restricted stock was acquired from Western Digital

Key Terms

Rule 144, Restricted Stock, Form 144, aggregate market value

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock financial

"Common | 06/03/2026 | Restricted Stock | Issuer"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Form 144 regulatory

"144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

aggregate market value financial

"Common | Morgan Stanley Smith Barney LLC ... | 1795 | 825472.39"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

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

What does the Form 144 filing mean for WESTERN DIGITAL CORP (WDC)?

The Form 144 is a notice that an officer of WESTERN DIGITAL CORP may sell 1,795 shares of restricted common stock under Rule 144. It is a proposed sale notice and does not by itself confirm that the sale has occurred.

How many WDC shares are covered by this Rule 144 notice?

The notice covers 1,795 shares of Western Digital common stock. These shares are planned to be sold in compliance with Rule 144 resale requirements for restricted or control securities.

Who is selling the Western Digital (WDC) shares under this Form 144?

The person for whose account the securities are to be sold is Vidyadhara K. Gubbi, identified as an officer of Western Digital. The filing states that information is provided for this person as required under Rule 144.

What is the approximate market value of the WDC shares listed in the Form 144?

The Form 144 lists a value of $825,472.39 associated with the 1,795 shares of Western Digital common stock proposed for sale. This figure reflects the market value used for the Rule 144 notice.

When were the WDC shares acquired and what type of security are they?

The shares are described as Restricted Stock acquired from the issuer on June 3, 2026. They are Western Digital common stock subject to Rule 144 resale conditions.

Which broker is named for the proposed WDC share sale?

The broker listed is Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, New York. The Form 144 associates this broker with the proposed sale of Western Digital common stock.

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

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Available on EDGAR 09/04/2026 - 04:04 PM EDT Accepted by SEC EDGAR 09/04/2026 - 04:03 PM EDT 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	0002057093
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	VIDYADHARA K GUBBI
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

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	1795	825472.39	360540944	09/04/2026	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	06/03/2026	Restricted Stock	Issuer			1795	06/03/2026	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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	09/04/2026
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/ Vidyadhara Kumaraswamy Gubbi
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)