Seagate Technology — Director's Dealing 2025

Jun 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology Holdings plc (STX)
CIK: 0001137789
Period of Report: 2025-06-03

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-03	Ordinary Shares	M	6923	$68.83	Acquired	29922	Direct
2025-06-03	Ordinary Shares	S	11309	$120	Disposed	18613	Direct
2025-06-04	Ordinary Shares	M	28120	$75.94	Acquired	46733	Direct
2025-06-04	Ordinary Shares	M	13768	$87.34	Acquired	60501	Direct
2025-06-04	Ordinary Shares	M	17575	$64.31	Acquired	78076	Direct
2025-06-04	Ordinary Shares	S	63418	$125.0007	Disposed	14658	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-06-03	NQ Options	$68.83	M	6923	Disposed	2029-09-09	Ordinary Shares (6923)	Direct
2025-06-04	NQ Options	$75.94	M	28120	Disposed	2028-03-22	Ordinary Shares (28120)	Direct
2025-06-04	NQ Options	$87.34	M	13768	Disposed	2028-09-09	Ordinary Shares (13768)	Direct
2025-06-04	NQ Options	$64.31	M	17575	Disposed	2030-09-11	Ordinary Shares (17575)	Direct

Footnotes

F1: All Ordinary Shares were sold under a Rule 10b5-1 trading plan adopted by the Reporting Person on October 31, 2024.

F2: These Ordinary Shares were sold in multiple trades at prices ranging from $125.00 to $125.02. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

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 9, 2023 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2023.

F4: Options granted to the Reporting Person under the Seagate Technology plc 2012 Equity Incentive Plan are subject to a four-year vesting schedule. One quarter of the options vested on March 22, 2022. The remaining options vest in equal monthly installments over the 36 months following March 22, 2022.

F5: 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, 2022 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2022.

F6: 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.