Western Digital files Form 144 notice for Common stock

Western Digital Corporation notice of proposed sale of Common stock on a Form 144.

Rhea-AI Filing Summary

Western Digital Corporation notice of proposed sale of Common stock on a Form 144. The excerpt lists broker/dealer J.P. Morgan Securities LLC, exchange Nasdaq, an entry date of 06/09/2026 and numeric line items including 8000, 4,215,440 and 344,682,131. The filing rows show prior grant/compensation dates of 11/07/2019, 11/02/2018 and 11/14/2023 with associated numeric entries.

Insights

Securities Attorney

Form 144 lists proposed resale details and broker information.

The excerpt shows a proposed sale notice referencing Common stock, J.P. Morgan Securities LLC, and Nasdaq, with an entry date of 06/09/2026. Specific numeric entries appear on the cover lines but the excerpt does not explicitly label each as "shares offered" or provide proceeds treatment.

Timing and cash‑flow treatment are not stated in the excerpt; subsequent filings or an executed sale would clarify actual disposition and proceeds recipient. Regulatory compliance steps (notice filing) are the visible action here.

Key Figures

Entry date: 06/09/2026 Numeric entry: 8,000 Numeric entry: 4,215,440 +4 more

7 metrics

Entry date 06/09/2026 Date shown on the Common/Nasdaq line

Numeric entry 8,000 Listed on the same line as broker/dealer details

Numeric entry 4,215,440 Numeric field on the securities header line

Numeric entry 344,682,131 Numeric field on the securities header line

Compensation date 11/07/2019 Row labeled Compensation with an associated numeric entry 3717

Compensation date 11/02/2018 Row labeled Compensation with an associated numeric entry 2781

Compensation date 11/14/2023 Row labeled Compensation with an associated numeric entry 1502

Key Terms

Form 144, Compensation, Issuer, J.P. Morgan Securities LLC

4 terms

Form 144 regulatory

"144: Securities To Be Sold"

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.

Compensation financial

"Common | 11/07/2019 | Compensation"

Issuer regulatory

"Compensation | Issuer"

J.P. Morgan Securities LLC market

"J.P. Morgan Securities LLC 270 Park Avenue - 10th Floor"

FAQ

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

What is the Form 144 filing for WDC?

Form 144 is a notice of a proposed sale of restricted or control securities. The excerpt lists a proposed sale of Common stock involving J.P. Morgan Securities LLC and an entry date of 06/09/2026.

Who is listed as the broker‑dealer on the WDC excerpt?

The excerpt lists J.P. Morgan Securities LLC at 270 Park Avenue, New York. That firm is shown in the broker/dealer field associated with the proposed sale notice.

Does the excerpt show how many shares are being sold for WDC?

The excerpt includes numeric entries such as 8000, 4,215,440 and 344,682,131. The filing text does not explicitly label which of these numbers represent shares offered in the visible excerpt.

Are the listed grant or compensation dates included in the filing?

Yes. The excerpt shows compensation-related dates: 11/07/2019, 11/02/2018 and 11/14/2023, each with associated numeric entries on the same rows.

Which exchange is identified in the WDC Form 144 excerpt?

The excerpt identifies Nasdaq as the exchange for the Common stock entry with a date of 06/09/2026 shown on the same line.

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

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Accepted by SEC EDGAR 06/09/2026 - 05:17 PM 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	0001302874
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	Martin I Cole
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	Affiliate

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	J.P. Morgan Securities LLC 270 Park Avenue - 10th Floor New York NY 10017	8000	4215440	344682131	06/09/2026	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	11/07/2019	Compensation	Issuer			3717	11/07/2019	Compensation
Common	11/02/2018	Compensation	Issuer			2781	11/02/2018	Compensation
Common	11/14/2023	Compensation	Issuer			1502	11/14/2023	Compensation

* 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	The shares represented on this filing are being sold by the Martin I Cole Revocable Trust, Martin I Cole as Trustee
Date of Notice	06/09/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/05/2026
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/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Martin I Cole
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)