Ban Seng Teh - 09 Mar 2026 Form 4 Insider Report for Seagate Technology Holdings plc (STX)

Role: EVP & Chief Commercial Officer
Signature: /s/ Louis J. Thorson, Attorney-in-Fact for Ban Seng Teh
Issuer symbol: STX
Transactions as of: 09 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 11 Mar 2026, 16:13:21 UTC
Previous filing: 23 Feb 2026
Next filing: 12 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Teh Ban Seng	EVP & Chief Commercial Officer	SEAGATE TECHNOLOGY HOLDINGS PLC, 47488 KATO ROAD, FREMONT	/s/ Louis J. Thorson, Attorney-in-Fact for Ban Seng Teh	11 Mar 2026	0001801425

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	STX	Ordinary Shares	Options Exercise		+599	+6.7%	$0.000000^*	9,596	09 Mar 2026	Direct
transaction	STX	Ordinary Shares	Options Exercise		+663	+6.9%	$0.000000^*	10,259	09 Mar 2026	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	STX	Restricted Share Unit	Options Exercise		-599	-33%	$0.000000^*	1,199	09 Mar 2026	Ordinary Shares	599	$0.000000	Direct	F1
transaction	STX	Restricted Share Unit	Options Exercise		-663	-9.1%	$0.000000^*	6,632	09 Mar 2026	Ordinary Shares	663	$0.000000	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	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.

Content

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.

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.