STOCK TITAN

Kiniksa (KNSA) CMO granted options, RSUs and PSUs in equity awards

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

Rhea-AI Filing Summary

Kiniksa Pharmaceuticals International, plc reported multiple equity awards and related exercises for its Chief Medical Officer, John F. Paolini, on April 1, 2026. He received a share option for 26,750 Class A Ordinary Shares at an exercise price of $48.13 per share, expiring on March 31, 2036, that vests over time starting April 1, 2026.

He was also granted 6,700 Restricted Share Units and 13,400 Performance Share Units, each linked to Class A Ordinary Shares and subject to four-year time-based or performance-based vesting, with PSUs eligible to convert into up to 200% of one share each by January 30, 2029. In addition, Paolini exercised previously granted RSUs for 5,831 Class A Ordinary Shares, with 2,821 shares withheld at $48.13 per share to cover tax obligations.

Following these transactions, Paolini directly holds 64,334 Class A Ordinary Shares, reflecting routine compensation-related equity activity rather than open-market buying or selling.

Positive

  • None.

Negative

  • None.
Insider Paolini John F.
Role CHIEF MEDICAL OFFICER
Type Security Shares Price Value
Grant/Award Share Option 26,750 $0.00 --
Grant/Award Restricted Share Unit 6,700 $0.00 --
Grant/Award Performance Share Unit 13,400 $0.00 --
Exercise Restricted Share Unit 1,624 $0.00 --
Exercise Restricted Share Unit 1,750 $0.00 --
Exercise Restricted Share Unit 2,457 $0.00 --
Exercise Class A Ordinary Share 5,831 $0.00 --
Tax Withholding Class A Ordinary Share 2,821 $48.13 $136K
Holdings After Transaction: Share Option — 26,750 shares (Direct); Restricted Share Unit — 6,700 shares (Direct); Performance Share Unit — 13,400 shares (Direct); Class A Ordinary Share — 67,155 shares (Direct)
Footnotes (1)
  1. Each Restricted Share Unit (RSU) represents a contingent right to receive one Class A Ordinary Share of the Issuer. 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. 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. 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 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. 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. 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. 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.
Option grant size 26,750 shares Share option for Class A Ordinary Shares granted April 1, 2026
Option exercise price $48.13/share Exercise price of April 1, 2026 option grant
Option expiration March 31, 2036 Expiration date of granted share option
RSU grant size 6,700 units Restricted Share Units granted April 1, 2026
PSU grant size 13,400 units Performance Share Units granted April 1, 2026
RSUs exercised 5,831 shares Class A Ordinary Shares from RSU exercises on April 1, 2026
Tax-withheld shares 2,821 shares Shares withheld at $48.13 to cover tax obligations
Shares held after transactions 64,334 shares Direct Class A Ordinary Shares owned after April 1, 2026 activity
Restricted Share Unit financial
"Each Restricted Share Unit (RSU) represents a contingent right to receive one Class A Ordinary Share of the Issuer."
A restricted share unit (RSU) is a promise by a company to give an employee a set number of company shares at a future date, typically after meeting time or performance conditions. For investors, RSUs matter because when they convert into actual shares they increase the number of shares outstanding (like unlocking more tickets in a game), which can dilute existing holders, and they align employee incentives with company performance, influencing behavior and long-term value.
Performance Share Unit financial
"Each Performance Share Unit (PSU) represents a contingent right to receive a number of Class A Ordinary Shares..."
A performance share unit (PSU) is a form of executive or employee pay that promises shares (or the cash value of shares) only if the company meets specific performance targets over a set period. Think of it like a bonus cheque that only arrives if the company hits agreed goals — it aligns managers’ rewards with business results and signals to investors how leadership is being incentivized to grow value over time.
vesting commencement date financial
"The vesting commencement date is April 1, 2026."
The vesting commencement date is the starting point when an employee begins earning ownership rights to their promised benefits, such as stock options or retirement contributions. Think of it like the day a savings account is opened—only after this date do the benefits start to grow and become fully available over time. It matters to investors because it marks when the clock begins ticking toward full ownership, affecting the timing and value of these benefits.
tax-withholding disposition financial
"Payment of exercise price or tax liability by delivering securities"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
exercise or conversion of derivative security financial
"Exercise or conversion of derivative security"
Compensation Committee financial
"based upon the achievement of certain pre-established performance criteria, as certified by the Issuer's Compensation Committee"
A compensation committee is a group within a company's leadership responsible for setting and reviewing how much top executives and employees are paid, including salaries, bonuses, and benefits. It matters to investors because fair and effective pay decisions can influence a company's performance, leadership motivation, and overall governance, helping ensure that the company’s management is aligned with shareholders’ interests.
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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).
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)
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)
Director10% Owner
XOfficer (give title below)Other (specify below)
CHIEF MEDICAL OFFICER
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026
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 Share04/01/2026M5,831A(1)67,155D
Class A Ordinary Share04/01/2026F2,821D$48.1364,334D
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$48.1304/01/2026A26,750 (2)03/31/2036Class A Ordinary Share26,750$026,750D
Restricted Share Unit(1)04/01/2026A6,700 (3) (3)Class A Ordinary Share6,700$06,700D
Performance Share Unit(4)04/01/2026A13,400 (5) (5)Class A Ordinary Share13,400$013,400D
Restricted Share Unit(1)04/01/2026M1,624 (6) (6)Class A Ordinary Share1,624$01,624D
Restricted Share Unit(1)04/01/2026M1,750 (7) (7)Class A Ordinary Share1,750$03,500D
Restricted Share Unit(1)04/01/2026M2,457 (8) (8)Class A Ordinary Share2,457$07,371D
Explanation of Responses:
1. Each Restricted Share Unit (RSU) represents a contingent right to receive one Class A Ordinary Share of the Issuer.
2. 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.
3. 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.
4. 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
5. 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.
6. 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.
7. 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.
8. 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.
/s/ Douglas Barry, Attorney-in-Fact04/03/2026
** 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)

FAQ

What equity awards did KNSA grant to CMO John F. Paolini on April 1, 2026?

On April 1, 2026, John F. Paolini received a stock option for 26,750 Class A Ordinary Shares at $48.13, plus 6,700 Restricted Share Units and 13,400 Performance Share Units. These awards vest over several years, aligning compensation with future company performance.

How do the new stock options for Kiniksa (KNSA) CMO John Paolini vest?

The 26,750-share option grant vests 25% on the first anniversary of the April 1, 2026 vesting commencement date, then in 36 equal monthly installments. This structure gradually delivers exercisable options, tying long-term incentives to continued service at Kiniksa.

What are the terms of John Paolini’s Restricted Share Units at Kiniksa (KNSA)?

Paolini’s 6,700 RSUs typically vest over four years, with 25% vesting on April 1, 2026 and on each yearly anniversary thereafter. Each RSU represents a contingent right to receive one Class A Ordinary Share upon vesting, providing ongoing equity-based compensation.

How do John Paolini’s Performance Share Units at Kiniksa (KNSA) work?

Each PSU represents a contingent right to receive Class A Ordinary Shares based on pre-established performance criteria certified by Kiniksa’s Compensation Committee. Unless forfeited, each PSU can convert into not more than 200% of one share, by January 30, 2029 or the next business day.

What RSU exercises and tax withholdings did KNSA’s CMO report?

Paolini exercised RSUs that delivered 5,831 Class A Ordinary Shares. Of these, 2,821 shares were withheld at $48.13 per share to satisfy tax obligations. This F-code disposition is a tax-withholding mechanism, not an open-market stock sale by the executive.

How many Kiniksa (KNSA) Class A shares does John Paolini hold after these transactions?

After the April 1, 2026 equity awards, RSU exercises, and tax-withholding, John Paolini directly owns 64,334 Class A Ordinary Shares. This reflects his updated share position, combining prior holdings with newly settled RSUs and after shares withheld for taxes.