Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
781.67
+10.88 (1.41%)
At close: Feb 27, 2026, 4:00 PM EST
770.84
-10.83 (-1.39%)
After-hours: Feb 27, 2026, 7:19 PM EST

Company Description

Regeneron Pharmaceuticals, Inc. discovers, invents, develops, manufactures, and commercializes medicines to treat various diseases worldwide.

The company develops product candidates to treat eye, allergic and inflammatory, cardiovascular, metabolic, neurological, infectious, and rare diseases; and cancer, hematologic conditions.

It also offers EYLEA injections for wet age-related macular degeneration and diabetic macular edema; myopic choroidal neovascularization; diabetic retinopathy; neovascular glaucoma; retinopathy of prematurity; Dupixent injection to treat atopic dermatitis and asthma; Libtayo injection for metastatic or locally advanced cutaneous squamous cell carcinoma; Praluent injection to treat heterozygous familial hypercholesterolemia (HoFH); and Kevzara solution for rheumatoid arthritis.

It has license and collaboration agreement with Bayer for the development and commercialization of EYLEA 8 mg and EYLEA; Alnylam Pharmaceuticals, Inc. to discover, develop, and commercialize RNAi therapeutics for diseases by addressing therapeutic disease targets expressed in the eye and central nervous system; Intellia Therapeutics, Inc. to advance CRISPR/Cas9 gene-editing technology for in vivo therapeutic development for therapies focused on neurological and muscular diseases; Hansoh Pharmaceuticals Group Company Limited to acquire development and commercial rights for HS-20094, a dual GLP-1/GIP receptor; and Tessera Therapeutics, Inc. develops and commercializes TSRA-196, an investigational gene editing therapy for Alpha-1 antitrypsin deficiency.

The company was incorporated in 1988 and is based in Tarrytown, New York.

Regeneron Pharmaceuticals, Inc.
Regeneron Pharmaceuticals logo
Country United States
Founded 1988
IPO Date Apr 2, 1991
Industry Biotechnology
Sector Healthcare
Employees 15,410
CEO Leonard Schleifer

Contact Details

Address:
777 Old Saw Mill River Road
Tarrytown, New York 10591-6707
United States
Phone 914 847 7000
Website regeneron.com

Stock Details

Ticker Symbol REGN
Exchange NASDAQ
Stock Type Common Stock
Fiscal Year January - December
Reporting Currency USD
CIK Code 0000872589
CUSIP Number 75886F107
ISIN Number US75886F1075
Employer ID 13-3444607
SIC Code 2834

Key Executives

Name Position
Dr. Leonard S. Schleifer M.D., Ph.D. Co-Founder, President, Chief Executive Officer and Co-Chairman
Dr. George D. Yancopoulos M.D., Ph.D. Co-Founder, President, Chief Scientific Officer and Co-Chairman
Christopher R. Fenimore CPA Executive Vice President of Finance and Chief Financial Officer
Dr. Andrew J. Murphy Ph.D. Executive Vice President of Research and Co-Chief Scientific Officer
Daniel P. Van Plew Executive Vice President and GM of Industrial Operations and Product Supply
Rajesh Ahuja Senior Vice President of Quality Assurance and Operations
Ryan Crowe Senior Vice President of Investor Relations and Strategic Analysis
Joseph J. LaRosa J.D. Executive Vice President, General Counsel and Secretary
Melissa Lozner Senior Vice President and Chief Compliance Officer
Sally A. Paull Executive Vice President of Human Resources

Latest SEC Filings

Date Type Title
Feb 19, 2026 144 Filing
Feb 9, 2026 144 Filing
Feb 9, 2026 144 Filing
Feb 6, 2026 13F-HR Quarterly report filed by institutional managers, holdings
Feb 4, 2026 10-K Annual Report
Jan 30, 2026 8-K Current Report
Jan 12, 2026 8-K Current Report
Jan 7, 2026 144 Filing
Nov 20, 2025 144 Filing
Nov 7, 2025 144 Filing