Seagate Technology — Director's Dealing 2025

Jul 24, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology Holdings plc (STX)
CIK: 0001137789
Period of Report: 2025-07-22

Reporting Person: Lee James CI (Chief Legal Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-07-22	Ordinary Shares	M	1980	—	Acquired	2152	Direct
2025-07-22	Ordinary Shares	F	864	$146.59	Disposed	1288	Direct
2025-07-22	Ordinary Shares	M	4950	—	Acquired	6238	Direct
2025-07-22	Ordinary Shares	F	1441	$146.59	Disposed	4797	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-07-22	Restricted Share Unit	$	M	1980	Disposed	2025-07-22	Ordinary Shares (1980)	Direct
2025-07-22	Restricted Share Unit	$	M	4950	Disposed	2028-07-22	Ordinary Shares (4950)	Direct

Footnotes

F1: Includes 172 Ordinary Shares purchased by Reporting Person on January 31, 2025 under the Issuer's Employee Stock Purchase Plan. Such acquisition is exempt from reporting pursuant to Rule 16b-3 under the Securities Exchange Act of 1934.

F2: Each restricted share unit ("RSU") represents a contingent right to receive one Ordinary Share of the Issuer.

F3: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the " 2022 Plan") . 100% of such RSUs vested on July 22, 2025, the first anniversary of the grant date.

F4: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Such RSUs vested as to one-quarter of the shares on July 22, 2025 and then in equal quarterly installments thereafter.