Seagate (STX) EVP Teh Ban Seng converts 1,262 RSUs into ordinary shares

Rhea-AI Filing Summary

Seagate Technology Holdings plc EVP & Chief Commercial Officer Teh Ban Seng exercised restricted share units into ordinary shares as part of his equity compensation. On March 9, 2026, he converted 1,262 RSUs into the same number of ordinary shares at a conversion price of $0.00 per share.

Following these transactions, he directly holds 10,259 ordinary shares. He also continues to hold RSUs granted under Seagate’s 2022 Equity Incentive Plan, with 1,199 RSUs from one grant and 6,632 RSUs from another, both vesting in quarterly installments over four-year schedules tied to his 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

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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^*

Teh Ban Seng

(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 & Chief Commercial Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/09/2026

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	03/09/2026		M		599	A	$0	9,596	D
Ordinary Shares	03/09/2026		M		663	A	$0	10,259	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	03/09/2026		M			599	(1)	(1)	Ordinary Shares	599	$0	1,199	D
Restricted Share Unit	$0	03/09/2026		M			663	(2)	(2)	Ordinary Shares	663	$0	6,632	D

Explanation of Responses:

1. Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

2. Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment, one-quarter vested on September 9, 2025 and the remaining portion shall vest 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 Ban Seng Teh	03/11/2026
	** 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 Seagate (STX) executive Teh Ban Seng report in this Form 4?

Teh Ban Seng reported exercising restricted share units into ordinary shares as part of his Seagate equity compensation. On March 9, 2026, he converted 1,262 RSUs into 1,262 ordinary shares at a price of $0.00 per share.

How many Seagate (STX) shares does Teh Ban Seng hold after these transactions?

After the reported transactions, Teh Ban Seng directly holds 10,259 Seagate ordinary shares. These holdings reflect the conversion of 1,262 RSUs into shares and are in addition to his remaining unvested RSU awards under the company’s 2022 Equity Incentive Plan.

How many Seagate (STX) RSUs did Teh Ban Seng exercise on March 9, 2026?

He exercised a total of 1,262 restricted share units on March 9, 2026. This consisted of 599 RSUs from one grant and 663 RSUs from another, each converting into an equal number of Seagate ordinary shares at a $0.00 conversion price.

What RSU grants under Seagate’s 2022 Plan does Teh Ban Seng still hold?

He continues to hold RSUs from two grants under Seagate’s 2022 Equity Incentive Plan: 1,199 RSUs from one award and 6,632 RSUs from another. Both grants vest quarterly over four years, subject to his continuous employment with the company.

How do the Seagate (STX) RSU vesting schedules work for Teh Ban Seng?

Each RSU grant vests over four years in quarterly installments. For both awards, one-quarter of the RSUs vest on a stated September 9 vesting date, with the remaining units vesting in equal quarterly installments over the following three years, contingent on continued employment.

Does this Seagate (STX) Form 4 show any open-market stock purchases or sales?

This Form 4 shows only derivative exercises converting RSUs into ordinary shares at a $0.00 price. It does not report any open-market purchases or sales, and there are no tax-withholding or gift transactions disclosed in the provided data.