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Filing metadata

Accession number: 0001237899-13-000019
Form type: Form 4
Filer: REGENERON PHARMACEUTICALS INC
CIK: CIK 872589
Filed: Mar 21, 2013
Reporting period: Mar 19, 2013
Description: Insider transaction

Documents

0001237899-13-000019-index.htm

Complete submission

0001237899-13-000019.txt

directory listing

Filed by

REGENERON PHARMACEUTICALS INC