[144] Seagate Technology Holdings plc SEC Filing

Rhea-AI Filing Summary

Seagate Technology Holdings plc (STX) Form 144 notifies a proposed sale under Rule 144 of 377 common shares through Morgan Stanley Smith Barney on NASDAQ with an aggregate market value of $79,592.24. The shares were acquired as Performance Stock Units on 09/14/2025 and payment/settlement is recorded the same day. The filer also reported 10b5-1 sales by John Morris totaling 15,347 shares on 09/12/2025 for gross proceeds of $3,004,950.76. The filing includes the required representation about absence of undisclosed material adverse information.

Insights

Securities Analyst

TL;DR: Routine insider sale notice; small planned sale (377 shares) following a PSU grant; prior 10b5-1 sale generated $3.0M proceeds.

The Form 144 documents a proposed resale of 377 common shares associated with performance stock units, a de minimis amount relative to the issuer's stated outstanding shares (212,677,178). The filing also discloses a separate 10b5-1 execution by John Morris that sold 15,347 shares for $3,004,950.76. From a market-impact perspective, the planned 377-share sale is immaterial; the prior 10b5-1 sale is larger in dollar terms but still small relative to total outstanding shares. The filing fulfills Rule 144 disclosure requirements.

Corporate Governance Expert

TL;DR: Disclosure appears compliant; transactions stem from compensation and a prearranged 10b5-1 plan.

The notice indicates the 377-share sale arises from Performance Stock Units granted by the issuer, and the filer affirms no undisclosed material adverse information. The separate 10b5-1 sale by John Morris is explicitly disclosed with date, share count, and gross proceeds, which supports transparency about insider transactions. No departures from standard disclosure practice are evident in the provided content.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	377	79592.24	212677178	09/16/2025	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	09/14/2025	Performance Stock Units	Issuer			377	09/14/2025	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for JOHN MORRIS 121 Woodlands Avenue 5 Singapore U0 739009	Common	09/12/2025	15347	3004950.76

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)