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Filing metadata

Accession number: 0001237899-12-000050
Form type: Form 4
Filer: REGENERON PHARMACEUTICALS INC
CIK: CIK 872589
Filed: Apr 30, 2012
Reporting period: Apr 27, 2012
Description: Insider transaction

Documents

0001237899-12-000050-index.htm

Complete submission

0001237899-12-000050.txt

directory listing

Filed by

REGENERON PHARMACEUTICALS INC