STOCK TITAN

Kiniksa (NASDAQ: KNSA) CEO Sanj K. Patel exercises options, sells 48,565 shares under 10b5-1 plan

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Kiniksa Pharmaceuticals International, plc Chairman and CEO Sanj K. Patel reported an exercise-and-sale transaction in Class A Ordinary Shares. He exercised share options to acquire 48,565 shares at $30.93 per share and then sold 48,565 shares in an open-market transaction at a weighted-average price of $54.02 per share.

The sale was executed under a pre-arranged Rule 10b5-1 trading plan dated October 31, 2025. Following these direct transactions, his directly held Class A Ordinary Shares were reduced to zero, while separate indirect holdings remain in several family trusts.

Positive

  • None.

Negative

  • None.
Insider Patel Sanj K
Role CHAIRMAN & CEO
Sold 48,565 shs ($2.62M)
Type Security Shares Price Value
Exercise Share Option 48,565 $0.00 --
Exercise Class A Ordinary Share 48,565 $30.93 $1.50M
Sale Class A Ordinary Share 48,565 $54.02 $2.62M
holding Class A Ordinary Share -- -- --
holding Class A Ordinary Share -- -- --
holding Class A Ordinary Share -- -- --
Holdings After Transaction: Share Option — 0 shares (Direct, null); Class A Ordinary Share — 48,565 shares (Direct, null); Class A Ordinary Share — 76,174 shares (Indirect, Held by The Patel Family Irrevocable Trust of 2025)
Footnotes (1)
  1. This transaction was effected pursuant to a 10b5-1 plan executed by the reporting person on October 31, 2025. This transaction was executed in multiple trades through a broker-dealer at prices ranging between $54.00 and $54.155. 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. The option is fully vested and exercisable.
Shares sold 48,565 shares Open-market sale of Class A Ordinary Shares on May 1, 2026
Sale price $54.02 per share Weighted-average sale price, trades between $54.00 and $54.155
Option exercise price $30.93 per share Exercise price for 48,565 share options converted into Class A Ordinary Shares
Options exercised 48,565 options Share options exercised into Class A Ordinary Shares on May 1, 2026
Indirect trust holdings 51,794; 109,795; 76,174 shares Class A Ordinary Shares held through family trusts as indirect ownership
Rule 10b5-1 plan regulatory
"This transaction was effected pursuant to a 10b5-1 plan executed by the reporting person"
A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.
weighted average sales price financial
"The price reported in this column reflects a weighted average sales price"
share option financial
"Security title: Share Option with underlying Class A Ordinary Share"
exercise or conversion of derivative security financial
"Transaction code description: Exercise or conversion of derivative security"
open-market sale financial
"transaction_action: open-market sale"
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
SEC Form 4
FORM 4UNITED 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*
Patel Sanj K

(Last)(First)(Middle)
C/O KINIKSA PHARMACEUTICALS INT'L
105 PICCADILLY, SECOND FLOOR

(Street)
LONDONW1J 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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
CHAIRMAN & CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Class A Ordinary Share05/01/2026M(1)48,565A$30.9348,565D
Class A Ordinary Share05/01/2026S(1)48,565D$54.02(2)0D
Class A Ordinary Share76,174IHeld by The Patel Family Irrevocable Trust of 2025
Class A Ordinary Share109,795IHeld by The Marina 2016 Irrevocable Trust, u/d/t June 23, 2016
Class A Ordinary Share51,794IHeld by The Anglia 2013 Revocable Trust
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Share Option$30.9305/01/2026M(1)48,565 (3)09/19/2028Class A Ordinary Share48,565$00D
Explanation of Responses:
1. This transaction was effected pursuant to a 10b5-1 plan executed by the reporting person on October 31, 2025.
2. This transaction was executed in multiple trades through a broker-dealer at prices ranging between $54.00 and $54.155. 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/ Douglas Barry, Attorney-in-Fact05/01/2026
** Signature of Reporting PersonDate
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)