INVESTORS & MEDIA
SEC Filing Details
SEC Filing Details
Document Details
Form
Filing Date
Feb 5, 2009
Document Date
Feb 5, 2009
Form Description
A statement of beneficial ownership of common stock by certain persons
Filing Group
Other
Company
Regeneron Pharmaceuticals Inc.
Issuer
REGENERON PHARMACEUTICALS, INC.
Filer
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A.