[Form 4] Seagate Technology Holdings plc Insider Trading Activity

Rhea-AI Filing Summary

Seagate Technology Holdings plc (STX) disclosed that a director reported an equity award. On 10/25/2025, the reporting person received 1,580 restricted share units (RSUs) under the company’s 2022 Equity Incentive Plan for $0 consideration. Each RSU represents the right to receive one Ordinary Share.

Subject to continuous service, shares will be released on the earlier of one year from grant or the next annual general meeting following the fiscal year ending July 3, 2026, provided that meeting is at least 50 weeks after the prior fiscal year’s AGM. Following the grant, 1,580 derivative securities are beneficially owned, held directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Adams Mark

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Share Unit	1,580	$0.00	$0.00

Holdings After Transaction: Restricted Share Unit — 1,580 shares (Direct)

Footnotes (1)

1. F1. Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 25, 2025 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "Plan") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 3, 2026, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting.

FAQ

What did Seagate (STX) report in this Form 4?

A director received 1,580 RSUs on 10/25/2025 under the 2022 Equity Incentive Plan for $0 consideration.

How do the RSUs for STX vest or settle?

Shares will be released on the earlier of one year from grant or the next AGM after the fiscal year ending July 3, 2026, if that AGM is at least 50 weeks after the prior fiscal year’s AGM.

What does each STX RSU represent?

Each RSU represents a contingent right to receive one Ordinary Share of Seagate.

What is the ownership form of the reported STX RSUs?

The 1,580 derivative securities are held directly.

Was there a purchase price for the STX RSU grant?

No. The RSUs were awarded for $0 consideration.

Under which plan were the STX RSUs granted?

Under Seagate’s 2022 Equity Incentive Plan.

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Accepted by SEC EDGAR 10/28/2025 - 04:29 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Adams Mark

(Last) (First) (Middle)

SEAGATE TECHNOLOGY HOLDINGS PLC

47488 KATO ROAD

(Street)

FREMONT CA 94538

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Seagate Technology Holdings plc [ STX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/25/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Unit	$0	10/25/2025		A		1,580		(1)	(1)	Ordinary Shares	1,580	$0	1,580	D

Explanation of Responses:

1. Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 25, 2025 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "Plan") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 3, 2026, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting.

Remarks:

	/s/ Louis A. Thorson, Attorney-in-fact for Mark W. Adams	10/28/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.