William D. Mosley - 09 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: 09 Mar 2025
Net transactions value: -$125,136
Form type: 4
Filing time: 10 Mar 2025, 17:31:44 UTC
Previous filing: 04 Mar 2025
Next filing: 12 Mar 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	+2,814	+0.49%	$0.000000	575,458	09 Mar 2025	Direct
transaction	STX	Ordinary Shares	Tax liability	$125,136	-1,422	-0.25%	$88.00	574,036	09 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	-2,814	-14%	$0.000000	16,889	09 Mar 2025	Ordinary Shares	2,814		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. One-quarter of the shares vested on September 9, 2023 and then in equal quarterly installments thereafter.