Michael R. Megna - 21 Mar 2022 Form 4 Insider Report for Kiniksa Pharmaceuticals, Ltd. (KNSA)

Role: CHIEF ACCOUNTING OFFICER
Signature: /s/ Madelyn Zeylikman, Attorney-in-Fact
Issuer symbol: KNSA
Transactions as of: 21 Mar 2022
Net transactions value: -$12,298
Form type: 4
Filing time: 23 Mar 2022, 16:30:31 UTC
Previous filing: 06 Oct 2021
Next filing: 11 Apr 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	KNSA	Class A Common Share	Options Exercise		+3,231	+82%		7,161	21 Mar 2022	Direct	F1
transaction	KNSA	Class A Common Share	Tax liability	$12,298	-1,120	-16%	$10.98	6,041	21 Mar 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	KNSA	Restricted Share Unit	Options Exercise	$0	-3,231	-100%	$0.000000^*	0	21 Mar 2022	Class A Common Share	3,231		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Each Restricted Share Unit (RSU) represents a contingent right to receive one Class A Common Share of the Issuer.
F2	The performance criteria for these RSUs were met. The RSUs vested in a single installment on March 20, 2022; there was no expiration date for the RSUs.