Kiniksa Pharmaceuticals International, plc (KNSA)
NASDAQ: KNSA · Real-Time Price · USD
41.67
+0.68 (1.66%)
At close: Dec 5, 2025, 4:00 PM EST
42.00
+0.33 (0.79%)
After-hours: Dec 5, 2025, 4:43 PM EST

Company Description

Kiniksa Pharmaceuticals International, plc, a biopharmaceutical company, developing and commercializing novel therapies for diseases with unmet need and focuses on cardiovascular indications worldwide.

Its product candidates include ARCALYST, an interleukin-1alpha and interleukin-1beta, for the treatment of recurrent pericarditis, which is an inflammatory cardiovascular disease; Vixarelimab, a monoclonal antibody, that is in Phase 2b clinical trial for the treatment of prurigo nodularis, a chronic inflammatory skin condition; and KPL-387, an investigational, that is in Phase 2/3 clinical trial for human immunoglobulin G2 monoclonal antibody that binds human interleukin-1 receptor 1, inhibiting IL-1α, IL-1β-mediated signaling for the treatment of advance recurrent pericarditis by providing the added convenience of monthly subcutaneous dosing with a liquid formulation.

Its preclinical products include KPL-116, a Fc-modified immunoglobulin G2 monoclonal antibody. The company was formerly known as Kiniksa Pharmaceuticals, Ltd and changed its name tpKiniksa Pharmaceuticals International, plc in June 2024.

The company was incorporated in 2015 and is based in London, the United Kingdom.

Kiniksa Pharmaceuticals International, plc
Kiniksa Pharmaceuticals International, logo
Country United Kingdom
Founded 2015
IPO Date May 24, 2018
Industry Drug Manufacturers - Specialty & Generic
Sector Healthcare
Employees 315
CEO Sanj Patel

Contact Details

Address:
23 Old Bond Street, Floor 3
London, WIS 4PZ
United Kingdom
Phone 781 431 9100
Website kiniksa.com

Stock Details

Ticker Symbol KNSA
Exchange NASDAQ
Share Class Class A Shares
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001730430
CUSIP Number G5269C101
ISIN Number GB00BRXB0C07
Employer ID 98-1795578
SIC Code 2834

Key Executives

Name Position
Sanj K. Patel Chief Executive Officer and Chairman of the Board
Mark A. Ragosa C.F.A. Senior Vice President and Chief Financial Officer
Eben Tessari Executive Vice President and Chief Operating Officer
Dr. John F. Paolini FACC, M.D., Ph.D. Executive Vice President and Chief Medical Officer
Ross Michael Moat Executive Vice President and Chief Corporate and Commercial Officer
Michael R. Megna CPA Senior Vice President and Chief Accounting Officer
Mei Jang Senior Vice President of Technical Operations
Jonathan Kirshenbaum Investor Relations Officer
Douglas Barry Senior Vice President, Chief Legal Officer and Secretary
Megan Woods M.B.A. Senior Vice President and Chief Human Resources Officer

Latest SEC Filings

Date Type Title
Nov 26, 2025 144 Filing
Nov 17, 2025 144 Filing
Oct 31, 2025 144 Filing
Oct 31, 2025 SCHEDULE 13G/A Filing
Oct 28, 2025 144 Filing
Oct 28, 2025 144 Filing
Oct 28, 2025 10-Q Quarterly Report
Oct 28, 2025 8-K Current Report
Oct 20, 2025 144 Filing
Oct 20, 2025 144 Filing