Sanj K. Patel - Sep 1, 2025 Form 4 Insider Report for Kiniksa Pharmaceuticals International, plc (KNSA)

Role
CHAIRMAN & CEO, Director
Signature
/s/ Aaron Young, Attorney-in-Fact
Stock symbol
KNSA
Transactions as of
Sep 1, 2025
Transactions value $
-$476,728
Form type
4
Date filed
9/3/2025, 04:44 PM
Previous filing
May 28, 2025
Next filing
Oct 22, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Patel Sanj K CHAIRMAN & CEO, Director 23 OLD BOND STREET, THIRD FLOOR, LONDON, UNITED KINGDOM /s/ Aaron Young, Attorney-in-Fact 2025-09-03 0001532218

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KNSA Class A Ordinary Share Options Exercise +6.24K +6.45% 103K Sep 1, 2025 Direct F1
transaction KNSA Class A Ordinary Share Options Exercise +6.48K +6.3% 109K Sep 1, 2025 Direct F1
transaction KNSA Class A Ordinary Share Options Exercise +9.99K +9.13% 119K Sep 1, 2025 Direct F1
transaction KNSA Class A Ordinary Share Tax liability -$368K -11K -9.2% $33.49 108K Sep 1, 2025 Direct
transaction KNSA Class A Ordinary Share Options Exercise +6.57K +6.06% 115K Sep 2, 2025 Direct F1
transaction KNSA Class A Ordinary Share Tax liability -$109K -3.18K -2.76% $34.28 112K Sep 2, 2025 Direct
holding KNSA Class A Ordinary Share 110K Sep 1, 2025 Held by The Marina 2016 Irrevocable Trust, u/d/t June 23, 2016

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction KNSA Restricted Share Unit Award $0 +34.4K $0.00 34.4K Sep 1, 2025 Class A Ordinary Share 34.4K Direct F1, F2
transaction KNSA Share Option Award $0 +138K $0.00 138K Sep 1, 2025 Class A Ordinary Share 138K $33.49 Direct F3
transaction KNSA Restricted Share Unit Options Exercise $0 -6.24K -25% $0.00 18.7K Sep 1, 2025 Class A Ordinary Shares 6.24K Direct F1, F4
transaction KNSA Restricted Share Unit Options Exercise $0 -6.48K -33.33% $0.00 13K Sep 1, 2025 Class A Ordinary Share 6.48K Direct F1, F5
transaction KNSA Restricted Share Unit Options Exercise $0 -9.99K -50% $0.00 9.99K Sep 1, 2025 Class A Ordinary Share 9.99K Direct F1, F6
transaction KNSA Restricted Share Unit Options Exercise $0 -6.57K -100% $0.00 0 Sep 2, 2025 Class A Ordinary Share 6.57K Direct F1, F7
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each Restricted Share Unit (RSU) represents a contingent right to receive one Class A Ordinary Share of the Issuer.
F2 The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of grant, September 1, 2025.
F3 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, 2025.
F4 The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of grant, September 1, 2024.
F5 The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of grant, September 1, 2023.
F6 The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of grant, September 1, 2022.
F7 The RSUs vest over a four-year period, with 25% of the RSUs vesting on each yearly anniversary of the date of grant, September 2, 2021.