Michael A. DesJardin - 04 Jan 2022 Form 4 Insider Report for Horizon Therapeutics Public Ltd Co

Role: EVP, Technical Operations
Signature: /s/ Miles W. McHugh, Attorney-in-Fact
Issuer symbol: N/A
Transactions as of: 04 Jan 2022
Net transactions value: -$4,203,548
Form type: 4
Filing time: 06 Jan 2022, 19:59:59 UTC
Previous filing: 30 Jul 2021
Next filing: 24 Jan 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HZNP	Ordinary Shares	Options Exercise		+53,734	+59%		144,681	05 Jan 2022	Direct	F1, F2
transaction	HZNP	Ordinary Shares	Award	$0	+32,301	+22%	$0.000000	176,982	05 Jan 2022	Direct	F3
transaction	HZNP	Ordinary Shares	Tax liability	$4,203,548	-41,276	-23%	$101.84	135,706	05 Jan 2022	Direct

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	HZNP	Restricted Stock Units (RSU)	Award	$0	+21,424		$0.000000	21,424	04 Jan 2022	Ordinary Shares	21,424		Direct	F1, F4
transaction	HZNP	Restricted Stock Units (RSU)	Options Exercise	$0	-12,261	-100%	$0.000000^*	0	05 Jan 2022	Ordinary Shares	12,261		Direct	F1, F5
transaction	HZNP	Restricted Stock Units (RSU)	Options Exercise	$0	-12,095	-50%	$0.000000	12,095	05 Jan 2022	Ordinary Shares	12,095		Direct	F1, F6
transaction	HZNP	Restricted Stock Units (RSU)	Options Exercise	$0	-10,478	-33%	$0.000000	20,957	05 Jan 2022	Ordinary Shares	10,478		Direct	F1, F7
transaction	HZNP	Restricted Stock Units (RSU)	Options Exercise	$0	-9,222	-50%	$0.000000	9,223	05 Jan 2022	Ordinary Shares	9,222		Direct	F1, F8
transaction	HZNP	Restricted Stock Units (RSU)	Options Exercise	$0	-9,678	-67%	$0.000000	4,834	05 Jan 2022	Ordinary Shares	9,678		Direct	F1, F9

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

Explanation of Responses:

Id	Content
F1	Each RSU represents a contingent right to receive one ordinary share of the Issuer.
F2	Includes 2 ordinary shares of the Issuer acquired by the reporting person on December 1, 2021 pursuant to an employee stock purchase program.
F3	On January 4, 2019, the reporting person was granted performance-based restricted stock units (PSUs) of the Issuer, which vest upon the satisfaction of certain performance criteria. On January 5, 2022, the PSUs vested as to the number of shares reported above.
F4	The RSU's vest 1/3rd annually on each anniversary of January 5, 2022.
F5	The RSU's vest 1/3rd annually on each anniversary of January 5, 2019.
F6	The RSU's vest 1/3rd annually on each anniversary of January 5, 2020.
F7	The RSU's vest 1/3rd annually on each anniversary of January 5, 2021.
F8	50% of the shares subject to the RSUs vested on January 5, 2022, and the remaining shares vest on 1/5/2023.
F9	Two-thirds of the ordinary shares subject to the RSUs vest on January 5, 2022 and the remaining one-third of the ordinary shares vest on January 5, 2023.