Seagate Technology — Director's Dealing 2021

Oct 7, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology Holdings plc (STX)
CIK: 0001137789
Period of Report: 2021-10-04

Reporting Person: Romano Gianluca (EVP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-10-04	Ordinary Shares	M	11996	$45.89	Acquired	33510	Direct
2021-10-04	Ordinary Shares	M	9675	$46.23	Acquired	43185	Direct
2021-10-04	Ordinary Shares	M	4468	$54.78	Acquired	47653	Direct
2021-10-04	Ordinary Shares	S	19562	$84.1691	Disposed	28091	Direct
2021-10-04	Ordinary Shares	S	6577	$85.0683	Disposed	21514	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-10-04	NQ Options	$45.89	M	11996	Disposed	2026-02-20	Ordinary Shares (11996.0)	Direct
2021-10-04	NQ Options	$46.23	M	9675	Disposed	2027-09-09	Ordinary Shares (9675.0)	Direct
2021-10-04	NQ Options	$54.78	M	4468	Disposed	2026-09-09	Ordinary Shares (4468.0)	Direct

Footnotes

F1: The option exercises and sales of Ordinary Shares reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2: These Ordinary Shares were sold in multiple trades at prices ranging from $83.59 to $84.58. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes toprovide 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: These Ordinary Shares were sold in multiple trades at prices ranging from $84.62 to $85.55. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes toprovide 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.

F4: Options granted to the Reporting Person under the Seagate Technology plc 2012 Equity Incentive Plan (the "Plan") are subject to a four-year vesting schedule. One quarter of the options vested on February 20,2020. Subject to the Reporting Person's continuous employment, the remaining options vest in equal monthly installments over the 36 months following February 20, 2020.

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, 2021. Subject to the Reporting Person's continuous employment, the remaining options will vest in equal monthly installments over the 36 months following September 9, 2021.

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 9, 2020. Subject to the Reporting Person's continuousemployment, the remaining options will vest in equal monthly installments over the 36 months following September 9, 2020.