Sanj K. Patel - 01 Apr 2026 Form 4 Insider Report for Kiniksa Pharmaceuticals International, plc (KNSA)

Reporting relationship: CHAIRMAN & CEO, Director
Issuer ticker: KNSA
Reported as of: 01 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Apr 2026, 16:39:03 UTC
Prior SEC filing: 14 Nov 2025
Next SEC filing: 08 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Douglas Barry, Attorney-in-Fact

Key filing fact

Sanj K. Patel filed Form 4 for Kiniksa Pharmaceuticals International, plc (KNSA) on 03 Apr 2026.

Key facts

This page summarizes Sanj K. Patel's Form 4 filing for Kiniksa Pharmaceuticals International, plc (KNSA).
8 reported transactions and 6 derivative rows are listed below.
Accepted by SEC: 03 Apr 2026, 16:39.

Change

Previous filing in this sequence was filed on 14 Nov 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001532218 Primary reporting owner

Patel Sanj K

Relationship: CHAIRMAN & CEO, Director
Address: C/O KINIKSA PHARMACEUTICALS INT'L, 105 PICCADILLY, SECOND FLOOR, LONDON, UNITED KINGDOM
Signature: /s/ Douglas Barry, Attorney-in-Fact
Signature date: 03 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

KNSA transaction

Class A Ordinary Share

Options Exercise

Transaction value
Shares: +21,327
Change %: +36%
Price
Shares after: 81,327
Date: 01 Apr 2026
Ownership: Held by The Patel Family Irrevocable Trust of 2025
Footnotes: F1

KNSA transaction

Class A Ordinary Share

Tax liability

Transaction value
Shares: -10,313
Change %: -13%
Price: $48.13^*
Shares after: 71,014
Date: 01 Apr 2026
Ownership: Held by The Patel Family Irrevocable Trust of 2025

KNSA holding

Class A Common Share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 109,795
Date: 01 Apr 2026
Ownership: Held by The Marina 2016 Irrevocable Trust, u/d/t June 23, 2016

KNSA holding

Class A Ordinary Share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 51,794
Date: 01 Apr 2026
Ownership: Held by The Anglia 2013 Revocable Trust

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

KNSA transaction Derivative

Share Option

Award

Transaction value
Shares: +120,150
Change %
Price: $0.000000^*
Shares after: 120,150
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Class A Ordinary Share
Underlying amount: 120,150
Exercise price: $48.13
Footnotes: F2

KNSA transaction Derivative

Restricted Share Unit

Award

Transaction value
Shares: +30,050
Change %
Price: $0.000000^*
Shares after: 30,050
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Class A Ordinary Share
Underlying amount: 30,050
Exercise price
Footnotes: F1, F3

KNSA transaction Derivative

Performance Share Unit

Award

Transaction value
Shares: +60,100
Change %
Price: $0.000000^*
Shares after: 60,100
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Class A Ordinary Share
Underlying amount: 60,100
Exercise price
Footnotes: F4, F5

KNSA transaction Derivative

Restricted Share Unit

Options Exercise

Transaction value
Shares: -6,481
Change %: -50%
Price: $0.000000^*
Shares after: 6,481
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Class A Ordinary Share
Underlying amount: 6,481
Exercise price
Footnotes: F1, F6

KNSA transaction Derivative

Restricted Share Unit

Options Exercise

Transaction value
Shares: -6,237
Change %: -33%
Price: $0.000000^*
Shares after: 12,475
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Class A Ordinary Share
Underlying amount: 6,237
Exercise price
Footnotes: F1, F7

KNSA transaction Derivative

Restricted Share Unit

Options Exercise

Transaction value
Shares: -8,609
Change %: -25%
Price: $0.000000^*
Shares after: 25,826
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Class A Ordinary Share
Underlying amount: 8,609
Exercise price
Footnotes: F1, F8

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 8 footnotes

Footnote F1

Each Restricted Share Unit (RSU) represents a contingent right to receive one Class A Ordinary Share of the Issuer.

Footnote F2

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 April 1, 2026.

Footnote F3

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.

Footnote F4

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.

Footnote F5

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.

Footnote F6

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.

Footnote F7

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.

Footnote F8

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.