[Form 4] Seagate Technology Holdings PLC Insider Trading Activity

Rhea-AI Filing Summary

Seagate Technology Holdings plc reported insider equity awards to Kian Fatt Chong (EVP Global Operations) on a Form 4 filed for transactions dated 08/20/2025. The filing shows a grant of 13,976 non-qualified stock options exercisable at $158.40 with an exercise/strike price shown as $158.4 and an expiration/term through 08/20/2032, plus three separate Restricted Share Unit (RSU) grants totaling 10,777 ordinary shares (5,241; 4,258; 1,278). All reported holdings following the transactions are held directly by the reporting person.

The filing explains vesting: the option grant vests over four years with 25% vesting on 08/20/2026 and the remainder monthly thereafter; one RSU award vests 25% on 08/20/2026 then quarterly thereafter; two RSU awards have cliff or one-year vesting so 100% vests on the first anniversary (08/20/2026).

Positive

• Material equity alignment: Grant of 13,976 NQ options and 10,777 RSUs aligns the EVP's interests with shareholders over multiple years.
• Clear vesting schedules: Options and RSUs include explicit vesting timing (25% on 08/20/2026 for multi‑year awards and one‑year cliff for certain RSUs), aiding transparency.
• Direct ownership disclosed: All reported securities are held directly by the reporting person following the transactions.

Negative

• None.

Insights

Compensation Analyst

TL;DR: Executive received standard multi-year equity awards aligning pay with long-term performance and retention.

The Form 4 documents time-based equity grants to the EVP Global Operations consisting of 13,976 NQ stock options and 10,777 RSUs. Vesting schedules are time‑based: a four‑year stagger for the options and a mix of four‑year and one‑year RSU vesting, which is consistent with typical retention and incentive practices. The option strike is reported at $158.40 and the option term extends to 08/20/2032. All shares are reported as direct beneficial ownership following the awards. No cash proceeds, dispositions, or sales are reported.

Corporate Governance Expert

TL;DR: Grants follow customary governance practices with clear vesting; disclosure is complete for SEC Form 4 purposes.

The filing discloses the nature, amounts, vesting terms, and direct ownership status for each grant. Vesting conditions are tied solely to continuous employment and specific calendar vesting dates rather than performance metrics, which is a governance detail investors may note. The Form 4 is signed by an Attorney‑in‑Fact and includes explanatory footnotes clarifying vesting mechanics.

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)
08/20/2025

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
NQ Stock Option	$158.4	08/20/2025		A		13,976		(1)	08/20/2032	Ordinary Shares	13,976	$0	13,976	D
Restricted Share Unit	$0	08/20/2025		A		5,241		(2)	(2)	Ordinary Shares	5,241	$0	5,241	D
Restricted Share Unit	$0	08/20/2025		A		4,258		(3)	(3)	Ordinary Shares	4,258	$0	4,258	D
Restricted Share Unit	$0	08/20/2025		A		1,278		(3)	(3)	Ordinary Shares	1,278	$0	1,278	D

Explanation of Responses:

1. Options granted to the Reporting Person under the Seagate Technology plc 2022 Equity Incentive Plan the ("Plan") are subject to a four-year vesting schedule. Subject to continuous employment, 25% shall vest on August 20, 2026 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years.

2. Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Plan, subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.

3. Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.

Remarks:

	/s/ Louis J. Thorson, Attorney-in-Fact for Kian Fatt Chong	08/22/2025
	** 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 insider transactions did Kian Fatt Chong report on Form 4 for STX?

The Form 4 reports grants on 08/20/2025 of 13,976 non‑qualified stock options and three RSU awards totaling 10,777 ordinary shares to Kian Fatt Chong.

What is the exercise price and term for the stock options reported on the Form 4?

The reported exercise/strike price is $158.40 and the option grant shows an expiration/term through 08/20/2032.

How do the reported RSUs and options vest according to the filing?

Options vest over four years with 25% vesting on 08/20/2026 and the rest monthly thereafter; one RSU grant vests 25% on 08/20/2026 then quarterly, and two RSU grants vest 100% on 08/20/2026 (one‑year cliff).

Are the reported securities held directly or indirectly by the reporting person?

The filing indicates the securities are held directly (D) by the reporting person following the reported transactions.

Did the Form 4 report any sales or cash proceeds from securities?

No. The Form 4 reports only grants (acquisitions) of options and RSUs; no dispositions or cash proceeds are reported.