0001237899-04-000009 4 1 20040102 20040106 RYAN ARTHUR F 0001187443 4 34 000-19034 04508767 751 BROAD STREET, FLOOR 4TH NEWARK NJ 07102 REGENERON PHARMACEUTICALS INC 0000872589 2834 133444607 NY 1231 777 OLD SAW MILL RIVER RD TARRYTOWN NY 10591-6707 9143477000 4 1 edgardoc.xml PRIMARY DOCUMENT