Seagate Technology — Director's Dealing 2025

Oct 15, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology Holdings plc (STX)
CIK: 0001137789
Period of Report: 2025-10-13

Reporting Person: Teh Ban Seng (EVP & Chief Commercial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-13	Ordinary Shares	M	532	$68.83	Acquired	18573	Direct
2025-10-13	Ordinary Shares	M	878	$64.31	Acquired	19451	Direct
2025-10-13	Ordinary Shares	S	1410	$225.56	Disposed	18041	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-13	NQ Options	$68.83	M	532	Disposed	2029-09-09	Ordinary Shares (532)	Direct
2025-10-13	NQ Options	$64.31	M	878	Disposed	2030-09-11	Ordinary Shares (878)	Direct

Footnotes

F1: All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on October 31, 2024.

F2: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. One-quarter of the options vested on September 9, 2023 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2023.

F3: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. One-quarter of the options vested on September 11, 2024 and the remaining options vest in equal monthly installments over the 36 months following September 11, 2024.