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: Romano Gianluca (EVP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-20	Ordinary Shares	M	11807	—	Acquired	62278	Direct
2026-02-20	Ordinary Shares	F	5975	$411.11	Disposed	56303	Direct
2026-02-22	Ordinary Shares	M	14043	—	Acquired	70346	Direct
2026-02-22	Ordinary Shares	F	7096	$411.11	Disposed	63250	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
2026-02-22	Restricted Share Unit	$0	M	14043	Disposed		Ordinary Shares (14043)	Direct

Footnotes

F1: Includes 120 Ordinary Shares purchased by Reporting Person on January 31, 2026 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: 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.

F3: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Such RSUs vested as to one-quarter of the shares on February 22, 2023, and each one year anniversary thereafter.