[Form 4] Seagate Technology Holdings plc Insider Trading Activity

Rhea-AI Filing Summary

Seagate Technology Holdings plc (STX) officer James C. Lee (EVP & CLO) reported insider transactions on 10/22/2025. He acquired 1,237 ordinary shares upon RSU settlement at $0 (code M) and disposed of 540 shares at $215.05 (code F) for tax-related withholding. Following these transactions, he directly beneficially owned 954 ordinary shares.

The RSUs were granted under the Seagate Technology Holdings plc 2022 Equity Incentive Plan and vested as to one-quarter of the shares on July 22, 2025, then in equal quarterly installments thereafter. After the reported activity, 13,613 RSUs remained beneficially owned.

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
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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^*

Lee James CI

(Last) (First) (Middle)

SEAGATE TECHNOLOGY 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)

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

3. Date of Earliest Transaction (Month/Day/Year)
10/22/2025

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
Ordinary Shares	10/22/2025		M		1,237	A	$0	1,494	D
Ordinary Shares	10/22/2025		F		540	D	$215.05	954	D

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	(1)	10/22/2025		M			1,237	(2)	(2)	Ordinary Shares	1,237	$0	13,613	D

Explanation of Responses:

1. Each restricted share unit ("RSU") represents a contingent right to receive one Ordinary Share of the Issuer.

2. Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Such RSUs vested as to one-quarter of the shares on July 22, 2025 and then in equal quarterly installments thereafter.

Remarks:

	/s/ Louis J. Thorson, Attorney-in-fact for James C. Lee	10/24/2025
	** 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.

FAQ

What did STX’s James C. Lee report on Form 4 dated 10/22/2025?

He settled 1,237 RSUs into ordinary shares at $0 and disposed of 540 shares at $215.05.

How many Seagate (STX) shares does James C. Lee own after the transactions?

He directly beneficially owned 954 ordinary shares after the reported transactions.

What derivative holdings remain for James C. Lee after the STX Form 4?

He reported 13,613 RSUs beneficially owned following the transactions.

What was the price associated with the share disposition on 10/22/2025?

The disposition was reported at $215.05 per share.

What role does James C. Lee hold at Seagate (STX)?

He is EVP & CLO of Seagate Technology Holdings plc.

What is the vesting schedule of the reported RSUs?

The RSUs vested one-quarter on July 22, 2025 and then in equal quarterly installments thereafter.

What transaction codes appear in the STX Form 4?

Codes M and F were reported for the transactions on 10/22/2025.