Seagate Technology — Director's Dealing 2021

Jan 30, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2021-01-27

Reporting Person: Nygaard Jeffrey D. (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-01-27	Ordinary Shares	M	10000	$39.85	Acquired	10000	Direct
2021-01-27	Ordinary Shares	S	10000	$68	Disposed	0	Direct
2021-01-27	Ordinary Shares	M	11509	$39.85	Acquired	11509	Direct
2021-01-27	Ordinary Shares	S	11509	$70	Disposed	0	Direct
2021-01-27	Ordinary Shares	M	7800	$60.83	Acquired	7800	Direct
2021-01-27	Ordinary Shares	S	7800	$70	Disposed	0	Direct
2021-01-27	Ordinary Shares	M	9380	$50.10	Acquired	9380	Direct
2021-01-27	Ordinary Shares	S	9380	$67	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-01-27	NQ Stock Option	$39.85	M	10000	Disposed	2024-11-20	Ordinary Shares (10000.0)	Direct
2021-01-27	NQ Stock Option	$39.85	M	11509	Disposed	2024-11-20	Ordinary Shares (11509.0)	Direct
2021-01-27	NQ Stock Option	$60.83	M	7800	Disposed	2021-09-09	Ordinary Shares (7800.0)	Direct
2021-01-27	NQ Stock Option	$50.1	M	9380	Disposed	2022-09-09	Ordinary Shares (9380.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	59133	Indirect

Footnotes

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

F2: 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 November 20, 2018. Subject to the Reporting Person's continuous employment, the remaining options vest in equal monthly installments over the 36 months following November 20, 2018.

F3: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. The remaining options vested in equal monthly installments over the 36 months following September 9, 2015.

F4: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. The remaining options vested in equal monthly installments over the 36 months following September 9, 2016.