Regeneron Pharmaceuticals Inc. logo

Regeneron Pharmaceuticals Inc.

REGN | NASDAQ
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$958.04
+$30.15 (+3.25%)
Nov 2, 2026, 9:49 AM ET · Market open

Company Profile

Regeneron Pharmaceuticals, Inc. is a global biopharmaceutical enterprise focused on discovering, inventing, developing, manufacturing, and bringing to market medical treatments for a wide array of illnesses. Its therapeutic portfolio includes EYLEA, an injection used to treat various ophthalmic conditions such as wet age-related macular degeneration, diabetic macular edema, myopic choroidal neovascularization, diabetic retinopathy, and macular edema resulting from retinal vein occlusion (both central and branch). Other significant offerings are Dupixent, an injectable solution for atopic dermatitis and asthma in both adults and pediatric patients; Libtayo, indicated for metastatic or locally advanced cutaneous squamous cell carcinoma; Praluent, an injection prescribed for adults with heterozygous familial hypercholesterolemia or clinical atherosclerotic cardiovascular disease; REGEN-COV for COVID-19; and Kevzara, a solution targeting rheumatoid arthritis in adult patients. Furthermore, Regeneron provides Inmazeb for infections caused by Zaire ebolavirus; ARCALYST, an injection for cryopyrin-associated periodic syndromes, including familial cold auto-inflammatory syndrome and Muckle-Wells syndrome; and ZALTRAP, an intravenous infusion used in the treatment of metastatic colorectal cancer. In addition to its existing product lineup, the company is actively engaged in developing novel product candidates aimed at addressing unmet medical needs in areas such as ocular diseases, allergic and inflammatory conditions, cardiovascular and metabolic disorders, infectious diseases, rare diseases, cancer, pain management, and hematologic conditions. Regeneron maintains extensive collaboration and licensing agreements with a diverse range of partners, including Sanofi, Bayer, Teva Pharmaceutical Industries Ltd., Mitsubishi Tanabe Pharma Corporation, Alnylam Pharmaceuticals, Inc., Roche Pharmaceuticals, and Kiniksa Pharmaceuticals, Ltd. It also holds agreements with entities such as the U.S. Department of Health and Human Services, Zai Lab Limited, Intellia Therapeutics, Inc., the Biomedical Advanced Research Development Authority, and AstraZeneca PLC. The company was founded in 1988 and its corporate headquarters are situated in Tarrytown, New York.

Key Executives

Name Position
Leonard S. Schleifer Co-Founder, President, Chief Executive Officer & Co-Chairman
Christopher R. Fenimore Executive Vice President of Finance & Chief Financial Officer
Andrew J. Murphy Executive Vice President of Research & Co-Chief Scientific Officer
Daniel Van Plew Executive Vice President and GM of Industrial Operations & Product Supply
George D. Yancopoulos Co-Founder, President, Chief Scientific Officer & Co-Chairman
Joseph J. LaRosa Executive Vice President, General Counsel & Secretary
Melissa Lozner Senior Vice President & Chief Compliance Officer
Rajesh Ahuja Senior Vice President of Quality Assurance & Operations
Ryan Crowe Senior Vice President of Investor Relations & Strategic Analysis
Ryan Steinberger Executive VP, Chief Digital & Technology Officer

Latest SEC Filings

Date Type Title
Sep 30, 2026 8-K Current Report
Sep 03, 2026 4 Filing
Sep 03, 2026 4 Filing
Aug 21, 2026 4 Filing
Aug 20, 2026 N-PX Filing
Aug 20, 2026 4 Filing
Aug 12, 2026 4 Filing
Aug 12, 2026 4 Filing
Aug 07, 2026 13F-HR Quarterly report filed by institutional managers, ...
Jul 30, 2026 10-Q Quarterly Report
View All SEC Filings ➞
Regeneron Pharmaceuticals Inc.
Regeneron Pharmaceuticals Inc. logo
Country United States
IPO Date Apr 2, 1991
Industry Biotechnology
Sector Healthcare
Employees 15,410
CEO Leonard S. Schleifer

Contact Details

777 Old Saw Mill River Road Tarrytown, New York 10591-6707 United States

Stock Details

Ticker Symbol REGN
Exchange NASDAQ
Fiscal Year January - December
Reporting Currency USD
CIK Code 0000872589
CUSIP Number 75886F107
ISIN Number US75886F1075
SIC Code 2834

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