Mark Ragosa - 01 Sep 2025 Form 4 Insider Report for Kiniksa Pharmaceuticals International, plc (KNSA)

Signature
/s/ Aaron Young, Attorney-in-Fact
Issuer symbol
KNSA
Transactions as of
01 Sep 2025
Net transactions value
-$128,643
Form type
4
Filing time
03 Sep 2025, 16:45:36 UTC
Previous filing
06 Aug 2025
Next filing
30 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Ragosa Mark CHIEF FINANCIAL OFFICER 23 OLD BOND STREET, THIRD FLOOR, LONDON, UNITED KINGDOM /s/ Aaron Young, Attorney-in-Fact 03 Sep 2025 0001835458

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KNSA Class A Ordinary Share Options Exercise +1,592 +5.9% 28,601 01 Sep 2025 Direct F1
transaction KNSA Class A Ordinary Share Options Exercise +1,750 +6.1% 30,351 01 Sep 2025 Direct F1
transaction KNSA Class A Ordinary Share Options Exercise +2,694 +8.9% 33,045 01 Sep 2025 Direct F1
transaction KNSA Class A Ordinary Share Tax liability $97,791 -2,920 -8.8% $33.49 30,125 01 Sep 2025 Direct
transaction KNSA Class A Ordinary Share Options Exercise +1,861 +6.2% 31,986 02 Sep 2025 Direct F1
transaction KNSA Class A Ordinary Share Tax liability $30,852 -900 -2.8% $34.28 31,086 02 Sep 2025 Direct

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 +12,275 $0.000000 12,275 01 Sep 2025 Class A Ordinary Share 12,275 Direct F1, F2
transaction KNSA Share Option Award $0 +39,363 $0.000000 39,363 01 Sep 2025 Class A Ordinary Share 39,363 $33.49 Direct F3
transaction KNSA Restricted Share Unit Options Exercise $0 -1,592 -25% $0.000000 4,773 01 Sep 2025 Class A Ordinary Share 1,592 Direct F1, F4
transaction KNSA Restricted Share Unit Options Exercise $0 -1,750 -33% $0.000000 3,500 01 Sep 2025 Class A Ordinary Share 1,750 Direct F1, F5
transaction KNSA Restricted Share Unit Options Exercise $0 -2,694 -50% $0.000000 2,694 01 Sep 2025 Class A Ordinary Share 2,694 Direct F1, F6
transaction KNSA Restricted Share Unit Options Exercise $0 -1,861 -100% $0.000000 0 02 Sep 2025 Class A Ordinary Share 1,861 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 grant date 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 grant date 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.