Michael A. DesJardin - Jul 28, 2021 Form 4 Insider Report for Horizon Therapeutics Public Ltd Co (HZNP)

Role: EVP, Technical Operations
Signature: /s/ Miles W. McHugh, Attorney-in-Fact
Stock symbol: HZNP
Transactions as of: Jul 28, 2021
Transactions value $: -$368,898
Form type: 4
Date filed: 7/30/2021, 04:24 PM
Next filing: Jan 6, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HZNP	Ordinary Shares	Award	$0	+7.26K	+8.31%	$0.00	94.5K	Jul 28, 2021	Direct	F1, F2
transaction	HZNP	Ordinary Shares	Tax liability	-$369K	-3.6K	-3.81%	$102.50	90.9K	Jul 28, 2021	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	Performance Restricted Stock Units (PSUs)	Award	$0	+14.5K		$0.00	14.5K	Jul 28, 2021	Ordinary Shares	14.5K		Direct	F1, F3

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

Explanation of Responses:

Id	Content
F1	On January 3, 2020, the reporting person was granted performance-based restricted stock units (PSUs) of the Issuer, which vest upon the satisfaction of certain performance criteria. On July 28, 2021, such performance criteria were met, and the PSUs vested as to the number of shares reported in Table I above. The remaining ordinary shares subject to the PSUs vest in equal annual installments on January 5, 2022 and January 5, 2023.
F2	Includes 1,040 ordinary shares of the Issuer acquired by the reporting person on June 1, 2021 pursuant to an employee stock purchase program.
F3	Each PSU represents a contingent right to receive one ordinary share of the Issuer.