WILLIAM D. MOSLEY - 11 Mar 2025 Form 4 Insider Report for Seagate Technology Holdings plc (STX)

Role: Chief Executive Officer, Director
Signature: /s/ Louis J. Thorson, Attorney-in-Fact for William D. Mosley
Issuer symbol: STX
Transactions as of: 11 Mar 2025
Net transactions value: -$145,849
Form type: 4
Filing time: 12 Mar 2025, 16:31:41 UTC
Previous filing: 10 Mar 2025
Next filing: 02 Apr 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	STX	Ordinary Shares	Options Exercise	$0	+3,318	+0.58%	$0.000000	577,354	11 Mar 2025	Direct
transaction	STX	Ordinary Shares	Tax liability	$145,849	-1,677	-0.29%	$86.97	575,677	11 Mar 2025	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	$0	-3,318	-9.1%	$0.000000	33,189	11 Mar 2025	Ordinary Shares	3,318		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Each restricted share unit ("RSU") represents a contingent right to receive one Ordinary Share of the Issuer.
F2	Consists of a grant of RSUs awarded to the reporting person under the Seagate Technology plc 2022 Equity Incentive Plan subject to a four-year vesting schedule. Such RSUs vested as to one-quarter of the shares on September 11, 2024 and then in equal quarterly installments thereafter.