Seagate Technology — Director's Dealing 2021

Sep 3, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology Holdings plc (STX)
CIK: 0001137789
Period of Report: 2021-09-01

Reporting Person: MOSLEY WILLIAM D (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-09-01	Ordinary Shares	M	31500	$60.83	Acquired	582113	Direct
2021-09-01	Ordinary Shares	S	14441	$86.5357	Disposed	567672	Direct
2021-09-01	Ordinary Shares	S	17059	$87.3086	Disposed	550613	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-09-01	NQ Stock Options	$60.83	M	31500	Disposed	2021-09-09	Ordinary Shares (31500.0)	Direct

Footnotes

F1: These Ordinary Shares were sold under a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2: These Ordinary Shares were sold in multiple trades at prices ranging from $86.0600 to $87.0500. 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: These Ordinary Shares were sold in multiple trades at prices ranging from $87.0600 to $87.6300. 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.

F4: Options granted to the Reporting Person under the Seagate Technology Holdings plc 2012 Equity Incentive Plan (the "Plan") are subject to a four-year vesting schedule. One quarter of the options vested on September 9, 2015. The remaining options vested in equal monthly installments over the 36 months following September 9, 2015.