Kiniksa Pharmaceuticals International, plc (KNSA)
NASDAQ: KNSA · Real-Time Price · USD
46.77
+0.61 (1.32%)
At close: Mar 9, 2026, 4:00 PM EDT
46.74
-0.03 (-0.06%)
After-hours: Mar 9, 2026, 4:10 PM EDT

Company Description

Kiniksa Pharmaceuticals International, plc, a biopharmaceutical company, develops and commercializes medical therapies in the United States, the United Kingdom, and internationally.

The company offers ARCALYST, an interleukin-1alpha and 1beta cytokine trap for the treatment of recurrent pericarditis, a chronic autoinflammatory cardiovascular disease and cardiac sarcoidosis.

It also develops KPL-387, an investigational and fully human immunoglobulin G2 monoclonal antibody, which is Phase 2/3 clinical trial for the treatment of recurrent pericarditis; and KPL-116, a Fc-modified immunoglobulin G2 monoclonal antibody, which is in pre-clinical stage.

The company was formerly known as Kiniksa Pharmaceuticals, Ltd. and changed its name to Kiniksa Pharmaceuticals International, plc in June 2024.

Kiniksa Pharmaceuticals International, plc 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 366
CEO Sanj Patel

Contact Details

Address:
105 Piccadilly, 2nd Floor
London, W1J 7NJ
United Kingdom
Phone 44 78 1431 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
Ross Michael Moat Chief Operating Officer and Principal Operating Officer
Dr. John F. Paolini FACC, M.D., Ph.D. Executive Vice President and Chief Medical Officer
Eben Tessari Chief Strategy Officer
Michael R. Megna CPA Senior Vice President and Chief Accounting Officer
Mei Jang Senior Vice President and Chief Technical Officer
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
Mar 6, 2026 SCHEDULE 13G Filing
Mar 2, 2026 144 Filing
Feb 24, 2026 S-8 Securities to be offered to employees in employee benefit plans
Feb 24, 2026 10-K Annual Report
Feb 24, 2026 8-K Current Report
Feb 13, 2026 SCHEDULE 13G/A Filing
Jan 14, 2026 8-K Current Report
Jan 12, 2026 8-K Current Report
Dec 15, 2025 144 Filing
Dec 8, 2025 144 Filing