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: Teh Ban Seng (EVP & Chief Commercial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-09-09	Ordinary Shares	M	2340	—	Acquired	31760	Direct
2023-09-09	Ordinary Shares	M	3464	—	Acquired	35224	Direct
2023-09-09	Ordinary Shares	M	1407	—	Acquired	36631	Direct
2023-09-09	Ordinary Shares	M	3475	—	Acquired	40106	Direct
2023-09-09	Ordinary Shares	M	2396	—	Acquired	42502	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-09-09	Restricted Share Unit	$	M	2340	Acquired		Ordinary Shares (2340.0)	Direct
2023-09-09	Restricted Share Unit	$	M	3464	Acquired		Ordinary Shares (3464.0)	Direct
2023-09-09	Restricted Share Unit	$	M	1407	Acquired		Ordinary Shares (1407.0)	Direct
2023-09-09	Restricted Share Unit	$	M	3475	Acquired		Ordinary Shares (3475.0)	Direct
2023-09-09	Restricted Share Unit	$	M	2396	Acquired		Ordinary Shares (2396.0)	Direct
2023-09-11	Restricted Share Unit	$0.0	A	15820	Acquired		Ordinary Shares (15820.0)	Direct
2023-09-11	NQ Options	$64.31	A	42180	Acquired		Ordinary Shares (42180.0)	Direct

Footnotes

F1: Includes 314 Ordinary Shares purchased by Reporting Person on January 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: This number reflects the addition of 270 shares due to an accounting error.

F3: Each restricted share unit ("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). The RSUs will be converted into Ordinary Shares on a one-for-one basis. Subject to the Reporting Person's continuous employment, such RSUs will be settled in Ordinary Shares in equal installments on each of the first four anniversaries of September 9, 2019.

F5: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. The RSUs will be converted into Ordinary Shares on a one-for-one basis. 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, 2022and 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.

F10: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one-quarter of the options will vest on September 11, 2024 and the remaining options vest in equal monthly installments over the 36 months following September 11, 2024.