Mark Adams - Oct 20, 2021 Form 4 Insider Report for Seagate Technology Holdings plc (STX)

Role: Director
Signature: /s/ Jamie Amentler, Attorney-in-Fact for Mark W. Adams
Stock symbol: STX
Transactions as of: Oct 20, 2021
Transactions value $: -$169,516
Form type: 4
Date filed: 10/22/2021, 07:52 PM
Previous filing: Oct 5, 2021
Next filing: Dec 9, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	STX	Ordinary Shares	Options Exercise	$0	+5.85K		$0.00	5.85K	Oct 20, 2021	Direct	F1
transaction	STX	Ordinary Shares	Tax liability	-$170K	-2.11K	-9.84%	$80.53	19.3K	Oct 20, 2021	Adams Family Trust DTD 10/27/2000	F1, F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	STX	Restricted Share Unit	Options Exercise	$0	-5.85K	-100%	$0.00^*	0	Oct 20, 2021	Ordinary Shares	5.85K	$0.00	Direct	F4
transaction	STX	Restricted Share Unit	Award	$0	+3.16K		$0.00	3.16K	Oct 20, 2021	Ordinary Shares	3.16K	$0.00	Direct	F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On October 20, 2021, the Reporting Person transferred 3,742 Ordinary Shares previously owned directly (5,847 Ordinary Shares vested on October 20, 2021 minus 2,105 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 of the annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending July 2, 2021.
F5	Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 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) the date of the next annual general meeting of the shareholders of the Issuer following the end of the fiscal year ending on July 1, 2022 provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting.