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STOCK TITAN

[Form 4] Kiniksa Pharmaceuticals International, plc Insider Trading Activity

Filing Impact
(High)
Filing Sentiment
(Negative)
Form Type
4
Rhea-AI Filing Summary

John F. Paolini, Chief Medical Officer of Kiniksa Pharmaceuticals (KNSA), exercised 29,325 share options at an exercise price of $3.80 and sold 29,325 Class A Ordinary Shares at a weighted average price of $32.55 under a Rule 10b5-1 trading plan. The filing states the option is fully vested and exercisable and reports post-transaction beneficial ownership figures of 86,728 and 57,403 Class A shares, plus 36,542 derivative securities. The sale was executed through a broker-dealer in multiple trades and the filer offers to provide trade-level price details on request.

John F. Paolini, Chief Medical Officer di Kiniksa Pharmaceuticals (KNSA), ha esercitato 29,325 opzioni su azioni al prezzo di esercizio di $3.80 e ha venduto 29,325 azioni ordinarie di Classe A a un prezzo medio ponderato di $32.55 nell'ambito di un piano di negoziazione ai sensi della Regola 10b5-1. La comunicazione specifica che l'opzione è completamente maturata ed esercitabile e riporta, dopo l'operazione, una titolarità beneficiaria di 86,728 e 57,403 azioni di Classe A, oltre a 36,542 strumenti derivati. La vendita è stata eseguita tramite un broker-dealer in più operazioni; il dichiarante si rende disponibile a fornire i dettagli dei prezzi per singola operazione su richiesta.

John F. Paolini, director médico de Kiniksa Pharmaceuticals (KNSA), ejerció 29,325 opciones sobre acciones a un precio de ejercicio de $3.80 y vendió 29,325 acciones ordinarias Clase A a un precio medio ponderado de $32.55 en el marco de un plan de negociación conforme a la norma 10b5-1. La presentación indica que la opción está totalmente consolidada y es ejercitable, y comunica, tras la transacción, una titularidad beneficiaria de 86,728 y 57,403 acciones Clase A, además de 36,542 valores derivados. La venta se realizó a través de un broker-dealer en varias operaciones; el declarante ofrece facilitar los precios por operación a petición.

John F. PaoliniëŠ� Kiniksa Pharmaceuticals(KNSA)ì� 최고ì˜ë£Œì±…ìž„ìž�(CMO)로서 행사가ê²� $3.80ì—� 29,325ì£¼ì˜ ìŠ¤í†¡ì˜µì…˜ì� 행사하고, 규칙 10b5-1ì—� 따른 거래계íšì—� ë”°ë¼ ê°€ì¤‘í‰ê·� ê°€ê²� $32.55ì—� 29,325ì£¼ì˜ í´ëž˜ìŠ� A 보통주를 매ë„했습니다. 신고서ì—ëŠ� 해당 옵션ì� 완전íž� ì·¨ë“ë˜ì–´ 행사 가능하다고 명시ë˜ì–´ 있으ë©�, 거래 í›„ì˜ ì‹¤ì†Œìœ� ì§€ë¶„ì€ í´ëž˜ìŠ� A 보통ì£� 86,728ì£� ë°� 57,403주와 36,542ê°œì˜ íŒŒìƒì¦ê¶Œìœ¼ë¡œ ë³´ê³ ë˜ì–´ 있습니다. 매ë„ëŠ� 중개업ìžë¥� 통해 여러 차례ì� 거래ë¡� 실행ë˜ì—ˆìœ¼ë©°, 제출ìžëŠ” 요청 ì‹� 개별 거래ë³� ê°€ê²� 세부내역ì� 제공하겠다고 ë°í˜”습니ë‹�.

John F. Paolini, directeur médical (Chief Medical Officer) de Kiniksa Pharmaceuticals (KNSA), a exercé 29,325 options d'achat d'actions au prix d'exercice de $3.80 et a vendu 29,325 actions ordinaires de catégorie A à un prix moyen pondéré de $32.55 dans le cadre d'un plan de négociation régi par la règle 10b5-1. Le dépôt indique que l'option est entièrement acquise et exerçable et fait état, après la transaction, d'une détention bénéficiaire de 86,728 et 57,403 actions de catégorie A, ainsi que de 36,542 instruments dérivés. La vente a été réalisée par l'intermédiaire d'un broker‑dealer en plusieurs opérations ; le déclarant propose de communiquer les prix par transaction sur demande.

John F. Paolini, Chief Medical Officer von Kiniksa Pharmaceuticals (KNSA), hat 29,325 Aktienoptionen zum Ausübungspreis von $3.80 ausgeübt und im Rahmen eines Rule�10b5�1‑Handelsplans 29,325 Class‑A‑Stammaktien zu einem gewichteten Durchschnittspreis von $32.55 verkauft. Die Meldung gibt an, dass die Option vollständig unverfallbar und ausübbar ist und berichtet nach der Transaktion über eine wirtschaftliche Beteiligung von 86,728 und 57,403 Class‑A‑Aktien sowie 36,542 derivativen Wertpapieren. Der Verkauf erfolgte über einen Broker‑Dealer in mehreren Trades; der Meldende bietet an, auf Anfrage handelsspezifische Preisdetails zur Verfügung zu stellen.

Positive
  • Transaction executed under a Rule 10b5-1 plan, indicating a pre-established trading program
  • Option is fully vested and exercisable, and the filer discloses willingness to provide detailed trade-level pricing
Negative
  • Reported sale of 29,325 Class A Ordinary Shares, which reduces the reporting person’s beneficial ownership
  • Post-transaction beneficial ownership figures include lower reported holdings (57,403 Class A shares) compared with pre-transaction totals

Insights

Routine option exercise and sale disclosed under a documented 10b5-1 plan; transparency is key for investors.

The filing shows an insider exercised 29,325 options at a low exercise price and sold the resulting shares at a materially higher weighted average price, producing potential cash proceeds. Because the transactions were processed under a Rule 10b5-1 plan and the option is confirmed fully vested, this appears to be a pre-planned, compliance-oriented disposition rather than an opportunistic market-timing sale. The filer’s offer to provide per-trade pricing supports transparency. Impact to outstanding float appears limited given the reported post-transaction ownership figures.

Disclosure follows standard governance practices; documented plan and attorney-in-fact signature improve procedural clarity.

The Form 4 documents execution under a written 10b5-1 plan and includes an attorney-in-fact signature, which addresses procedural governance and insider-trading compliance considerations. The filing also discloses option vesting status and post-transaction ownership counts, enabling shareholders to assess insider alignment with company performance. While insider sales can raise investor questions, the presence of a pre-existing plan and explicit trade pricing information reduces ambiguity about intent.

John F. Paolini, Chief Medical Officer di Kiniksa Pharmaceuticals (KNSA), ha esercitato 29,325 opzioni su azioni al prezzo di esercizio di $3.80 e ha venduto 29,325 azioni ordinarie di Classe A a un prezzo medio ponderato di $32.55 nell'ambito di un piano di negoziazione ai sensi della Regola 10b5-1. La comunicazione specifica che l'opzione è completamente maturata ed esercitabile e riporta, dopo l'operazione, una titolarità beneficiaria di 86,728 e 57,403 azioni di Classe A, oltre a 36,542 strumenti derivati. La vendita è stata eseguita tramite un broker-dealer in più operazioni; il dichiarante si rende disponibile a fornire i dettagli dei prezzi per singola operazione su richiesta.

John F. Paolini, director médico de Kiniksa Pharmaceuticals (KNSA), ejerció 29,325 opciones sobre acciones a un precio de ejercicio de $3.80 y vendió 29,325 acciones ordinarias Clase A a un precio medio ponderado de $32.55 en el marco de un plan de negociación conforme a la norma 10b5-1. La presentación indica que la opción está totalmente consolidada y es ejercitable, y comunica, tras la transacción, una titularidad beneficiaria de 86,728 y 57,403 acciones Clase A, además de 36,542 valores derivados. La venta se realizó a través de un broker-dealer en varias operaciones; el declarante ofrece facilitar los precios por operación a petición.

John F. PaoliniëŠ� Kiniksa Pharmaceuticals(KNSA)ì� 최고ì˜ë£Œì±…ìž„ìž�(CMO)로서 행사가ê²� $3.80ì—� 29,325ì£¼ì˜ ìŠ¤í†¡ì˜µì…˜ì� 행사하고, 규칙 10b5-1ì—� 따른 거래계íšì—� ë”°ë¼ ê°€ì¤‘í‰ê·� ê°€ê²� $32.55ì—� 29,325ì£¼ì˜ í´ëž˜ìŠ� A 보통주를 매ë„했습니다. 신고서ì—ëŠ� 해당 옵션ì� 완전íž� ì·¨ë“ë˜ì–´ 행사 가능하다고 명시ë˜ì–´ 있으ë©�, 거래 í›„ì˜ ì‹¤ì†Œìœ� ì§€ë¶„ì€ í´ëž˜ìŠ� A 보통ì£� 86,728ì£� ë°� 57,403주와 36,542ê°œì˜ íŒŒìƒì¦ê¶Œìœ¼ë¡œ ë³´ê³ ë˜ì–´ 있습니다. 매ë„ëŠ� 중개업ìžë¥� 통해 여러 차례ì� 거래ë¡� 실행ë˜ì—ˆìœ¼ë©°, 제출ìžëŠ” 요청 ì‹� 개별 거래ë³� ê°€ê²� 세부내역ì� 제공하겠다고 ë°í˜”습니ë‹�.

John F. Paolini, directeur médical (Chief Medical Officer) de Kiniksa Pharmaceuticals (KNSA), a exercé 29,325 options d'achat d'actions au prix d'exercice de $3.80 et a vendu 29,325 actions ordinaires de catégorie A à un prix moyen pondéré de $32.55 dans le cadre d'un plan de négociation régi par la règle 10b5-1. Le dépôt indique que l'option est entièrement acquise et exerçable et fait état, après la transaction, d'une détention bénéficiaire de 86,728 et 57,403 actions de catégorie A, ainsi que de 36,542 instruments dérivés. La vente a été réalisée par l'intermédiaire d'un broker‑dealer en plusieurs opérations ; le déclarant propose de communiquer les prix par transaction sur demande.

John F. Paolini, Chief Medical Officer von Kiniksa Pharmaceuticals (KNSA), hat 29,325 Aktienoptionen zum Ausübungspreis von $3.80 ausgeübt und im Rahmen eines Rule�10b5�1‑Handelsplans 29,325 Class‑A‑Stammaktien zu einem gewichteten Durchschnittspreis von $32.55 verkauft. Die Meldung gibt an, dass die Option vollständig unverfallbar und ausübbar ist und berichtet nach der Transaktion über eine wirtschaftliche Beteiligung von 86,728 und 57,403 Class‑A‑Aktien sowie 36,542 derivativen Wertpapieren. Der Verkauf erfolgte über einen Broker‑Dealer in mehreren Trades; der Meldende bietet an, auf Anfrage handelsspezifische Preisdetails zur Verfügung zu stellen.

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).
X
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*
Paolini John F.

(Last) (First) (Middle)
23 OLD BOND STREET, THIRD FLOOR

(Street)
LONDON X0 W1S 4PZ

(City) (State) (Zip)
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 MEDICAL OFFICER
3. Date of Earliest Transaction (Month/Day/Year)
08/06/2025
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
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 08/06/2025 M(1) 29,325 A $3.8 86,728 D
Class A Ordinary Share 08/06/2025 S(1) 29,325 D $32.55(2) 57,403 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 $3.8 08/06/2025 M(1) 29,325 (3) 06/28/2027 Class A Ordinary Share 29,325 $0 36,542 D
Explanation of Responses:
1. This transaction was effected pursuant to a Rule 10b5-1 plan executed by the reporting person on May 16, 2024.
2. This transaction was executed in multiple trades through a broker-dealer at prices ranging between $32.13 and $33.08. The price reported in this column reflects a weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of Shares sold at each price.
3. The option is fully vested and exercisable.
/s/ Madelyn Zeylikman, Attorney-in-Fact 08/08/2025
** 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.

FAQ

Who filed the Form 4 for Kiniksa (KNSA)?

John F. Paolini, the company’s Chief Medical Officer, filed the Form 4 via an attorney-in-fact.

What transactions did the insider report on the Form 4 for KNSA?

Exercise of 29,325 share options at an exercise price of $3.80 and the sale of 29,325 Class A shares at a weighted average price of $32.55.

Were these trades executed under a trading plan for KNSA insider activity?

Yes. The filing states the transactions were effected pursuant to a Rule 10b5-1 plan executed on May 16, 2024.

What post-transaction ownership figures are reported for KNSA?

The Form 4 reports post-transaction beneficial ownership figures of 86,728 and 57,403 Class A shares, and 36,542 derivative securities.

At what price were the sold shares executed for KNSA?

The sale was executed in multiple trades through a broker-dealer at prices ranging between $32.13 and $33.08, with a reported weighted average sale price of $32.55.

Is there confirmation the option exercised by the KNSA insider was vested?

Yes. The filing explicitly states the option is fully vested and exercisable.
Kiniksa Pharmaceuticals International, plc

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2.49B
41.84M
3.68%
93.03%
3.28%
Drug Manufacturers - Specialty & Generic
Pharmaceutical Preparations
United Kingdom
LONDON