Seagate Technology — Director's Dealing 2026

Feb 23, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology Holdings plc (STX)
CIK: 0001137789
Period of Report: 2026-02-20

Reporting Person: MOSLEY WILLIAM D (Director, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-20	Ordinary Shares	M	11807	—	Acquired	421863	Direct
2026-02-20	Ordinary Shares	F	5966	$411.11	Disposed	415897	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-20	Performance-Based Restricted Share Units	$0	M	11807	Disposed		Ordinary Shares (11807)	Direct

Footnotes

F1: On January 24, 2026 the Compensation and People Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to the 11,807 Performance Share Units granted on February 20, 2024. The 11,807 Ordinary Shares vested on February 20, 2026.