Seagate Technology — Director's Dealing 2023

Sep 13, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology Holdings plc (STX)
CIK: 0001137789
Period of Report: 2023-09-09

Reporting Person: SCHUELKE KATHERINE (SVP, CLO & Corporate Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-09-09	Ordinary Shares	M	1808	—	Acquired	30620	Direct
2023-09-09	Ordinary Shares	F	626	$65.37	Disposed	29994	Direct
2023-09-09	Ordinary Shares	M	3848	—	Acquired	33842	Direct
2023-09-09	Ordinary Shares	F	1331	$65.37	Disposed	32511	Direct
2023-09-09	Ordinary Shares	M	1885	—	Acquired	34396	Direct
2023-09-09	Ordinary Shares	F	652	$65.37	Disposed	33744	Direct
2023-09-09	Ordinary Shares	M	2800	—	Acquired	36544	Direct
2023-09-09	Ordinary Shares	F	969	$65.37	Disposed	35575	Direct
2023-09-09	Ordinary Shares	M	1996	—	Acquired	37571	Direct
2023-09-09	Ordinary Shares	F	927	$65.37	Disposed	36644	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-09-09	Restricted Share Unit	$	M	1808	Disposed		Ordinary Shares (1808.0)	Direct
2023-09-09	Restricted Share Unit	$	M	3848	Disposed		Ordinary Shares (3848.0)	Direct
2023-09-09	Restricted Share Unit	$	M	1885	Disposed		Ordinary Shares (1885.0)	Direct
2023-09-09	Restricted Share Unit	$	M	2800	Disposed		Ordinary Shares (2800.0)	Direct
2023-09-09	Restricted Share Unit	$	M	1996	Disposed		Ordinary Shares (1996.0)	Direct
2023-09-11	Restricted Share Unit	$0.0	A	10925	Acquired		Ordinary Shares (10925.0)	Direct

Footnotes

F1: Includes 154 Ordinary Shares purchased by Reporting Person on July 31, 2023 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: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.

F3: Each RSU represents a contingent right to receive one Ordinary Share of the Issuer.

F4: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "Plan"). Subject to the Reporting Person's continuous employment,such RSUs vest as to one-quarter of the shares on September 9, 2020 and each one-year anniversary thereafter.

F5: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2021 and each one-year anniversary thereafter.

F6: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2022 and each one-year anniversary thereafter.

F7: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, such RSUs vest in full on September 9, 2023.

F8: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

F9: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 11, 2024 and then in equal quarterly installments thereafter.