Kiniksa (KNSA) CFO receives new options, RSUs and PSUs in 2026 award

Rhea-AI Filing Summary

Kiniksa Pharmaceuticals International, plc reported that Chief Financial Officer Mark Ragosa received new equity awards and saw prior awards vest into shares. On April 1, 2026, he was granted 31,150 share options with an exercise price of $48.13 per share, vesting over four years, and expiring in 2036.

He also received 7,800 Restricted Share Units and 15,600 Performance Share Units, each tied to one Class A Ordinary Share, with PSUs payable based on performance and eligible to convert into up to 200% of one share by January 30, 2029. Existing RSUs vested into 5,187 Class A Ordinary Shares, of which 2,510 shares were withheld at $48.13 per share to cover tax obligations, leaving Ragosa holding 14,763 Class A Ordinary Shares directly.

Insider Trade Summary

5,187 shares exercised/converted

Mixed 8 txns

Insider Ragosa Mark

Role CHIEF FINANCIAL OFFICER

Type	Security	Shares	Price	Value
Grant/Award	Share Option	31,150	$0.00	--
Grant/Award	Restricted Share Unit	7,800	$0.00	--
Grant/Award	Performance Share Unit	15,600	$0.00	--
Exercise	Restricted Share Unit	1,750	$0.00	--
Exercise	Restricted Share Unit	1,591	$0.00	--
Exercise	Restricted Share Unit	1,846	$0.00	--
Exercise	Class A Ordinary Share	5,187	$0.00	--
Tax Withholding	Class A Ordinary Share	2,510	$48.13	$121K

Holdings After Transaction: Share Option — 31,150 shares (Direct); Restricted Share Unit — 7,800 shares (Direct); Performance Share Unit — 15,600 shares (Direct); Class A Ordinary Share — 17,273 shares (Direct)

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 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 April1, 2026. The RSUs vest over a four-year period, with 25% of the RSUs vesting on the vesting commencement date of April 1, 2026, and each yearly anniversary thereafter. Each Performance Share Unit (PSU) represents a contingent right to receive a number of Class A Ordinary Shares of the Issuer based upon the achievement of certain pre-established performance criteria, as certified by the Issuer's Compensation Committee Unless earlier forfeited, each PSU vests and converts into not more than 200% of one Class A Ordinary Share of the Issuer no later than January 30, 2029, unless such date falls on a non-business date, in which case the next business date shall apply. The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of the grant, April 1, 2023. The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of the grant, April 1, 2024. The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of the grant, April 1, 2025.

Key Figures

Option grant size: 31,150 options at $48.13/share Restricted Share Units granted: 7,800 RSUs Performance Share Units granted: 15,600 PSUs +3 more

6 metrics

Option grant size 31,150 options at $48.13/share Granted to CFO on April 1, 2026; expire March 31, 2036

Restricted Share Units granted 7,800 RSUs Each RSU equals one Class A Ordinary Share; vest over four years from April 1, 2026

Performance Share Units granted 15,600 PSUs Contingent on performance; each may convert into not more than 200% of one share by January 30, 2029

Shares from RSU vesting 5,187 Class A Ordinary Shares Acquired via RSU exercises on April 1, 2026

Shares withheld for taxes 2,510 shares at $48.13 Withheld to cover tax liability on April 1, 2026 equity vesting

Shares held after transactions 14,763 Class A Ordinary Shares Direct holdings by CFO following April 1, 2026 transactions

Key Terms

Restricted Share Unit, Performance Share Unit, contingent right

3 terms

Restricted Share Unit financial

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

A restricted share unit (RSU) is a promise by a company to give an employee a set number of company shares at a future date, typically after meeting time or performance conditions. For investors, RSUs matter because when they convert into actual shares they increase the number of shares outstanding (like unlocking more tickets in a game), which can dilute existing holders, and they align employee incentives with company performance, influencing behavior and long-term value.

Performance Share Unit financial

"Each Performance Share Unit (PSU) represents a contingent right to receive a number of Class A Ordinary Shares"

A performance share unit (PSU) is a form of executive or employee pay that promises shares (or the cash value of shares) only if the company meets specific performance targets over a set period. Think of it like a bonus cheque that only arrives if the company hits agreed goals — it aligns managers’ rewards with business results and signals to investors how leadership is being incentivized to grow value over time.

contingent right financial

"represents a contingent right to receive one Class A Ordinary Share of the Issuer"

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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^*

Ragosa Mark

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

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	04/01/2026		M		5,187	A	(1)	17,273	D
Class A Ordinary Share	04/01/2026		F		2,510	D	$48.13	14,763	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	$48.13	04/01/2026		A		31,150		(2)	03/31/2036	Class A Ordinary Share	31,150	$0	31,150	D
Restricted Share Unit	(1)	04/01/2026		A		7,800		(3)	(3)	Class A Ordinary Share	7,800	$0	7,800	D
Performance Share Unit	(4)	04/01/2026		A		15,600		(5)	(5)	Class A Ordinary Share	15,600	$0	15,600	D
Restricted Share Unit	(1)	04/01/2026		M			1,750	(6)	(6)	Class A Ordinary Share	1,750	$0	1,750	D
Restricted Share Unit	(1)	04/01/2026		M			1,591	(7)	(7)	Class A Ordinary Share	1,591	$0	3,182	D
Restricted Share Unit	(1)	04/01/2026		M			1,846	(8)	(8)	Class A Ordinary Share	1,846	$0	5,536	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 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 April1, 2026.

3. The RSUs vest over a four-year period, with 25% of the RSUs vesting on the vesting commencement date of April 1, 2026, and each yearly anniversary thereafter.

4. Each Performance Share Unit (PSU) represents a contingent right to receive a number of Class A Ordinary Shares of the Issuer based upon the achievement of certain pre-established performance criteria, as certified by the Issuer's Compensation Committee

5. Unless earlier forfeited, each PSU vests and converts into not more than 200% of one Class A Ordinary Share of the Issuer no later than January 30, 2029, unless such date falls on a non-business date, in which case the next business date shall apply.

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, April 1, 2023.

7. The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of the grant, April 1, 2024.

8. The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of the grant, April 1, 2025.

	/s/ Douglas Barry, Attorney-in-Fact	04/03/2026
	** 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 equity awards did Kiniksa (KNSA) CFO Mark Ragosa receive?

On April 1, 2026, CFO Mark Ragosa received 31,150 share options at a $48.13 exercise price, 7,800 Restricted Share Units, and 15,600 Performance Share Units. These awards vest over several years and are tied to Kiniksa Class A Ordinary Shares as long-term compensation.

How do the new Kiniksa (KNSA) stock options granted to the CFO vest?

The 31,150 stock options vest 25% on the first anniversary of the April 1, 2026 vesting commencement date, then in 36 equal monthly installments. This schedule spreads vesting over four years, aligning the CFO’s incentives with longer-term Kiniksa performance and share value.

What are the terms of the Kiniksa (KNSA) Performance Share Units granted to the CFO?

The 15,600 Performance Share Units each represent a contingent right to receive Class A Ordinary Shares based on pre-established performance criteria. They can convert into not more than 200% of one share each and are scheduled to vest and settle no later than January 30, 2029.

How many Kiniksa (KNSA) shares did the CFO receive from RSU vesting?

Existing Restricted Share Units converted into 5,187 Kiniksa Class A Ordinary Shares on April 1, 2026. These RSUs relate to grants from prior years that vest annually, turning derivative awards into actual shares as service conditions are satisfied over time.

Why were some Kiniksa (KNSA) shares disposed of in the CFO’s Form 4?

The Form 4 shows 2,510 Class A Ordinary Shares disposed of under transaction code F at $48.13 per share. This reflects shares withheld to pay tax obligations triggered by equity vesting, not an open-market sale, and is a standard mechanism in stock-based compensation.

How many Kiniksa (KNSA) shares does the CFO hold after these transactions?

After the April 1, 2026 transactions, CFO Mark Ragosa directly holds 14,763 Class A Ordinary Shares. This figure incorporates shares received from RSU vesting and the shares withheld to cover taxes, giving a snapshot of his direct equity stake following the awards.