Seagate Technology Holdings plc (STX) insider Romano details RSU share activity

Rhea-AI Filing Summary

Seagate Technology Holdings plc executive vice president and CFO Gianluca Romano reported routine changes in his ownership of company stock. On 12/11/2025, he acquired 1,695 ordinary shares at $0 per share and separately disposed of 857 ordinary shares at $307.845 per share. The filing also reports derivative holdings in the form of restricted share units granted under the Seagate Technology Holdings plc 2022 Equity Incentive Plan, which vest one-quarter starting on September 11, 2024 and then in equal quarterly installments over the following three years, subject to continuous employment. After the reported transactions, Romano directly beneficially owns 50,351 ordinary shares and 11,865 restricted share units.

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

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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^*

Romano Gianluca

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
12/11/2025

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	12/11/2025		M		1,695	A	$0	51,208	D
Ordinary Shares	12/11/2025		F		857	D	$307.845	50,351	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	$0	12/11/2025		M			1,695	(1)	(1)	Ordinary Shares	1,695	$0	11,865	D

Explanation of Responses:

1. Consists of a grant of restricted share unit awarded to the reporting person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years.

Remarks:

	/s/ Louis J. Thorson, Attorney-in-Fact for Gianluca Romano	12/12/2025
	** 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.
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FAQ

What insider share transactions did Seagate Technology Holdings plc (STX) report on December 11, 2025?

The reporting person, EVP & CFO Gianluca Romano, acquired 1,695 ordinary shares at $0 per share and disposed of 857 ordinary shares at $307.845 per share on 12/11/2025.

How many Seagate Technology Holdings plc (STX) shares does EVP & CFO Gianluca Romano own after this Form 4 filing?

Following the reported transactions, Gianluca Romano directly beneficially owns 50,351 ordinary shares of Seagate Technology Holdings plc.

How many restricted share units does Gianluca Romano hold in Seagate Technology Holdings plc (STX)?

After the transactions, the filing shows that Gianluca Romano beneficially owns 11,865 restricted share units as derivative securities.

At what price were Seagate Technology Holdings plc (STX) shares disposed of in the latest insider filing?

The Form 4 reports the disposal of 857 ordinary shares at a price of $307.845 per share on 12/11/2025.

What is the vesting schedule for Gianluca Romano’s Seagate (STX) restricted share units under the 2022 Equity Incentive Plan?

The restricted share units were granted under the Seagate Technology Holdings plc 2022 Equity Incentive Plan and, subject to continuous employment, vest one-quarter starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years.

What role does Gianluca Romano hold at Seagate Technology Holdings plc (STX)?

The reporting person in the Form 4 is an officer of Seagate Technology Holdings plc, serving as EVP & CFO.