Seagate (NASDAQ: STX) EVP gains 678 shares as long-term equity RSUs vest

Rhea-AI Filing Summary

Seagate Technology Holdings plc reported that its EVP Global Operations, Kian Fatt Chong, acquired 678 ordinary shares on 12/11/2025 through the vesting and conversion of restricted share units at an exercise price of $ 0.

Following this transaction, he directly owns 1,258 ordinary shares and 4,748 restricted share units. The RSUs were granted under the Seagate Technology Holdings plc 2022 Equity Incentive Plan and vest over four years, with one-quarter vesting on September 11, 2024 and the remainder in equal quarterly installments over the following three years, subject to continued employment.

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^*

Chong Kian Fatt

(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 Global Operations

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		678	A	$0	1,258	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			678	(1)	(1)	Ordinary Shares	678	$0	4,748	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 Kian Fatt Chong	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.
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

Who is the insider in this Seagate (STX) Form 4 filing?

The reporting person is Kian Fatt Chong, who serves as EVP Global Operations of Seagate Technology Holdings plc.

How many Seagate (STX) shares did the executive acquire on 12/11/2025?

On 12/11/2025, Kian Fatt Chong acquired 678 ordinary shares of Seagate Technology Holdings plc through the vesting and conversion of restricted share units.

What is the Seagate (STX) executive's ownership after this Form 4 transaction?

After the reported transaction, Kian Fatt Chong directly owns 1,258 ordinary shares and 4,748 restricted share units of Seagate Technology Holdings plc.

What type of derivative security was involved in this Seagate (STX) Form 4?

The Form 4 reports restricted share units as the derivative security, each with an exercise price of $ 0 and each representing one ordinary share of Seagate Technology Holdings plc.

How do the restricted share units for the Seagate (STX) EVP vest?

Under the Seagate Technology Holdings plc 2022 Equity Incentive Plan, the restricted share units granted to Kian Fatt Chong vest over four years: one-quarter vested on September 11, 2024, with the remaining units vesting in equal quarterly installments over the following three years, subject to continuous employment.