Seagate Technology — Director's Dealing 2019

Oct 31, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2019-10-28

Reporting Person: Adams Mark (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-10-28	Ordinary Shares	M	5146	—	Acquired	5146	Direct
2019-10-28	Ordinary Shares	F	1853	$57.75	Disposed	11973	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-10-28	Restricted Share Unit	$0.0	M	5146	Disposed		Ordinary Shares (5146.0)	Direct
2019-10-29	Restricted Share Unit	$0.0	A	5579	Acquired		Ordinary Shares (5579.0)	Direct

Footnotes

F1: On October 29, 2019, the Reporting Person transferred 3,293 Ordinary Shares previously owned directly (5,146 Ordinary Shares vested on October 28, 2019 minus 1,853 Ordinary Shares withheld to cover tax liabilities) to Mark Woolsey Adams and Maureen Madden Adams, Trustees Adams Family Trust DTD 10/27/2000 ("Adams Family Trust DTD 10/27/2000").

F2: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of Restricted Share Units ("RSUs").

F3: All shares previously reported as directly held by the Reporting Person were transferred following acquisition to the Adams Family Trust DTD 10/27/2000, over which the Reporting Person serves as co-trustee.

F4: Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. The award vested on the date prior to the annual general meeting of the shareholders of the Issuer following the end of the Issuer's fiscal year ended June 28, 2019.

F5: Consists of a grant of RSUs awarded to the Reporting Person under the Amended and Restated Seagate Technology plc 2012 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) one day prior to the next election of directors following the date of grant.