Form 144: 24,390 Common Units Notice

STX reported a Form 144 notice of proposed sales of common stock and equity units through Morgan Stanley Smith Barney LLC.

Rhea-AI Filing Summary

STX reported a Form 144 notice of proposed sales of common stock and equity units through Morgan Stanley Smith Barney LLC.

The filing lists a numeric quantity 24390, an aggregate amount 18804933.90, an additional numeric field 224228992, and an execution date of 05/06/2026. The excerpt also lists 7,110 Performance Stock Units (02/20/2025) and 17,280 Restricted Stock Units (12/09/2023).

Key Figures

Listed quantity: 24390 Aggregate amount: 18804933.90 Additional numeric field: 224228992 +3 more

6 metrics

Listed quantity 24390 Securities Information line

Aggregate amount 18804933.90 Securities Information line

Additional numeric field 224228992 Securities Information line

Execution/filing date 05/06/2026 Securities Information line

Performance Stock Units 7,110 02/20/2025 entry for Performance Stock Units

Restricted Stock Units 17,280 12/09/2023 entry for Restricted Stock Units

Key Terms

Form 144, Performance Stock Units, Restricted Stock Units

3 terms

Form 144 regulatory

"Filer Information | 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.

Performance Stock Units financial

"Securities To Be Sold | Performance Stock Units | 02/20/2025"

Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.

Restricted Stock Units financial

"Securities To Be Sold | Restricted Stock Units | 12/09/2023"

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.

FAQ

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

What does the STX Form 144 filing report?

It reports a proposed sale of securities through Morgan Stanley Smith Barney LLC. The filing lists numeric entries 24390 and 18804933.90 and shows a planned execution date of 05/06/2026.

Which types of equity are mentioned in the STX excerpt?

The excerpt lists Performance Stock Units and Restricted Stock Units. It specifies 7,110 Performance Stock Units (dated 02/20/2025) and 17,280 Restricted Stock Units (dated 12/09/2023).

Who is the broker or intermediary named in the filing?

Morgan Stanley Smith Barney LLC is listed as the broker/intermediary. The entry shows the firm's address at 1 New York Plaza, New York, NY, and identifies NASDAQ as the exchange.

What execution date is shown in the Form 144 excerpt for STX?

The excerpt shows an execution or filing date of 05/06/2026. That date appears on the Securities Information line in the provided content.

How many common-equity units are identified for potential sale?

The excerpt shows a numeric listing of 24390 on the Securities Information line and separate unit counts of 7,110 and 17,280 for listed equity unit types.

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

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Accepted by SEC EDGAR 05/06/2026 - 04:53 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	0001764650
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	SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY
SEC File Number	001-31560
Address of Issuer	121 Woodlands Avenue 5 Singapore SINGAPORE 739009
Phone	6560182562
Name of Person for Whose Account the Securities are To Be Sold	GIANLUCA ROMANO
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	24390	18804933.90	224228992	05/06/2026	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	02/20/2025	Performance Stock Units	Issuer			7110	02/20/2025	N/A
Common	12/09/2023	Restricted Stock Units	Issuer			17280	12/09/2023	N/A

* 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 securities to be sold were acquired upon the vesting of restricted stock units during the period of 12/09/2023 through 02/22/2025.
Date of Notice	05/06/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/26/2025
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/ Gianluca Romano
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)