SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Moat Ross (Last) (First) (Middle) C/O KINIKSA PHARMACEUTICALS, LTD. CLARENDON HOUSE 2 CHURCH STREET (Street) HAMILTON D0 HM 11 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Kiniksa Pharmaceuticals, Ltd. [ KNSA ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) CHIEF COMMERCIAL OFFICER
	3. Date of Earliest Transaction (Month/Day/Year) 07/15/2023
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person
	Rule 10b5-1(c) Transaction Indication Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Share	07/15/2023		A(1)		292	A	$12.35	12,845	D
Class A Common Share	09/01/2023		M		2,477	A	(2)	15,322	D
Class A Common Share	09/01/2023		F		1,353	D	$17.76	13,969	D
Class A Common Share	09/02/2023		M		994	A	(2)	14,963	D
Class A Common Share	09/02/2023		F		543	D	$17.76	14,420	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Unit	(2)	09/01/2023		M			2,477	(3)	(3)	Class A Common Share	2,477	$0	7,431	D
Restricted Share Unit	(2)	09/01/2023		A		6,445		(4)	(4)	Class A Common Share	6,445	$0	6,445	D
Share Option	$17.76	09/01/2023		A		38,668		(5)	08/31/2033	Class A Common Share	38,668	$0	38,668	D
Restricted Share Unit	(2)	09/02/2023		M			994	(6)	(6)	Class A Common Share	994	$0	1,988	D

Explanation of Responses:

1. The reporting person is voluntarily reporting the acquisition of these shares pursuant to the Issuer's 2018 Employee Share Purchase Plan for the purchase period of January 16, 2023 to July 15, 2023. The acquisition of such shares was exempt pursuant to Rule 16b-3(c).

2. Each Restricted Share Unit (RSU) represents a contingent right to receive one Class A Common Share of the Issuer.

3. The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of the grant, September 1, 2022.

4. The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of the grant, September 1, 2023.

5. The option vests and becomes exercisable as to 25% of the total grant on the first anniversary of the vesting commencement date and vests in 36 equal monthly installments thereafter. The vesting commencement date is September 1, 2023.

6. The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of the grant, September 2, 2021.

	/s/ Madelyn Zeylikman, Attorney-in-Fact	09/06/2023
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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