Kiniksa (KNSA) director receives RSUs and options in equity grants

Rhea-AI Filing Summary

Kiniksa Pharmaceuticals International, plc director Barry D. Quart reported compensation-related equity activity. He exercised vested Restricted Share Units (RSUs) into 2,799 Class A Ordinary Shares, bringing his directly held Class A Ordinary Shares to 15,345.

Quart also received new equity awards on May 29, 2026. He was granted 2,026 RSUs, each representing one Class A Ordinary Share, which vest in full on the earlier of the first anniversary of the grant date or the company’s next annual shareholder meeting. In addition, he received options for 12,158 Class A Ordinary Shares at an exercise price of $48.38, vesting in twelve substantially equal monthly installments over roughly one year.

Insider Trade Summary

2,799 shares exercised/converted

Mixed 4 txns

Insider Quart Barry D

Role null

Type	Security	Shares	Price	Value
Grant/Award	Share Option	12,158	$0.00	--
Grant/Award	Restricted Share Units	2,026	$0.00	--
Exercise	Restricted Share Units	2,799	$0.00	--
Exercise	Class A Ordinary Share	2,799	$0.00	--

Holdings After Transaction: Share Option — 12,185 shares (Direct, null); Restricted Share Units — 2,026 shares (Direct, null); Class A Ordinary Share — 15,345 shares (Direct, null)

Footnotes (1)

1. Each Restricted Share Unit (RSU) represents a contingent right to receive one Class A Ordinary Share of the Issuer. The option vests and becomes exercisable in twelve substantially equal monthly installments following the date of the grant with the final installment vesting on the earlier of a) the anniversary of the date of the grant and b) the date of the Issuer's annual meeting of shareholders in the following year. The date of the grant is May 29, 2026. The RSUs vest in their entirety on the earlier of a) the anniversary of the date of the grant and b) the date of the Issuer's annual meeting of shareholders in the following year. The date of the grant is May 29, 2026. The RSUs vested in a single installment on May 29, 2026; there was no expiration date for the RSUs.

Key Figures

RSUs exercised into shares: 2,799 shares Shares held after exercise: 15,345 shares New RSU grant: 2,026 RSUs +2 more

5 metrics

RSUs exercised into shares 2,799 shares Class A Ordinary Shares received from vested RSUs on May 29, 2026

Shares held after exercise 15,345 shares Direct Class A Ordinary Shares following RSU exercise

New RSU grant 2,026 RSUs Granted May 29, 2026, vesting on anniversary or next annual meeting

New option grant 12,158 options Share options for Class A Ordinary Shares granted May 29, 2026

Option exercise price $48.38 per share Exercise price for 12,158-share option grant expiring May 28, 2036

Key Terms

Restricted Share Units, Share Option, vests, exercise price

4 terms

Restricted Share Units financial

"Each Restricted Share Unit (RSU) represents a contingent right to receive one Class A Ordinary Share"

Restricted share units (RSUs) are a promise from a company to give an employee or service provider actual shares or cash equal to the shares after certain conditions are met, typically staying with the company for a set time or hitting performance targets. Think of them like a time-locked gift card that becomes usable only after you’ve earned it. For investors, RSUs matter because they align employee incentives with company performance and can increase the number of shares outstanding over time, diluting existing ownership and affecting earnings per share.

Share Option financial

"The option vests and becomes exercisable in twelve substantially equal monthly installments"

vests financial

"The RSUs vest in their entirety on the earlier of a) the anniversary of the date of the grant"

exercise price financial

"conversion_or_exercise_price: "48.3800" for the Share Option grant"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

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Form 4 Insider Transactions: What Each Field Means →

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Quart Barry D

(Last) (First) (Middle)

C/O KINIKSA PHARMACEUTICALS INT'L

105 PICCADILLY, SECOND FLOOR

(Street)

LONDON W1J 7NJ

(City) (State) (Zip)

UNITED KINGDOM

(Country)

2. Issuer Name and Ticker or Trading Symbol
Kiniksa Pharmaceuticals International, plc [ KNSA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/29/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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 Ordinary Share	05/29/2026		M		2,799	A	(1)	15,345	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
Share Option	$48.38	05/29/2026		A		12,158		(2)	05/28/2036	Class A Ordinary Shares	12,158	$0	12,185	D
Restricted Share Units	(1)	05/29/2026		A		2,026		(3)	(3)	Class A Ordinary Shares	2,026	$0	2,026	D
Restricted Share Units	(1)	05/29/2026		M			2,799	(4)	(4)	Class A Ordinary Shares	2,799	$0	0	D

Explanation of Responses:

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

2. The option vests and becomes exercisable in twelve substantially equal monthly installments following the date of the grant with the final installment vesting on the earlier of a) the anniversary of the date of the grant and b) the date of the Issuer's annual meeting of shareholders in the following year. The date of the grant is May 29, 2026.

3. The RSUs vest in their entirety on the earlier of a) the anniversary of the date of the grant and b) the date of the Issuer's annual meeting of shareholders in the following year. The date of the grant is May 29, 2026.

4. The RSUs vested in a single installment on May 29, 2026; there was no expiration date for the RSUs.

	/s/ Douglas Barry, Attorney-in-Fact	06/02/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did Kiniksa (KNSA) director Barry D. Quart report?

Barry D. Quart reported exercising 2,799 Restricted Share Units into Class A Ordinary Shares and receiving new grants of 2,026 RSUs and 12,158 share options. These are compensation-related awards, not open-market stock purchases or sales.

How many Kiniksa Class A shares does Barry D. Quart hold after these transactions?

After exercising 2,799 Restricted Share Units, Barry D. Quart directly holds 15,345 Class A Ordinary Shares. This figure reflects his position following the reported equity activity on May 29, 2026 as shown in the Form 4 filing.

What are the terms of Barry D. Quart’s new Kiniksa share option grant?

Barry D. Quart received options for 12,158 Class A Ordinary Shares with an exercise price of $48.38 per share. The options vest in twelve substantially equal monthly installments following the May 29, 2026 grant date, with expiration scheduled for May 28, 2036.

How do Barry D. Quart’s new RSUs from Kiniksa vest?

Barry D. Quart’s 2,026 new Restricted Share Units vest in their entirety on the earlier of the first anniversary of the May 29, 2026 grant date or the company’s annual shareholder meeting in the following year, at which time they convert into Class A Ordinary Shares.

Were Barry D. Quart’s Kiniksa transactions open-market buys or sells?

The reported transactions are not open-market buys or sells. They consist of exercising previously granted Restricted Share Units and receiving new RSU and option awards as part of equity compensation, with no market purchase or sale price disclosed in the filing.