0001663758-26-000002.txt : 20260903 0001663758-26-000002.hdr.sgml : 20260903 20260903165059 ACCESSION NUMBER: 0001663758-26-000002 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260902 FILED AS OF DATE: 20260903 DATE AS OF CHANGE: 20260903 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: McCourt Marion CENTRAL INDEX KEY: 0001663758 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19034 FILM NUMBER: 261359061 MAIL ADDRESS: STREET 1: C/O REGENERON PHARMACEUTICALS, INC. STREET 2: 777 OLD SAW MILL RIVER ROAD CITY: TARRYTOWN STATE: NY ZIP: 10591 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: REGENERON PHARMACEUTICALS, INC. CENTRAL INDEX KEY: 0000872589 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences EIN: 133444607 STATE OF INCORPORATION: NY FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 777 OLD SAW MILL RIVER ROAD CITY: TARRYTOWN STATE: NY ZIP: 10591 BUSINESS PHONE: 9148477000 MAIL ADDRESS: STREET 1: 777 OLD SAW MILL RIVER ROAD CITY: TARRYTOWN STATE: NY ZIP: 10591 FORMER COMPANY: FORMER CONFORMED NAME: REGENERON PHARMACEUTICALS INC DATE OF NAME CHANGE: 19930328 4 1 edgardoc.xml PRIMARY DOCUMENT X0609 4 2026-09-02 0 0000872589 REGENERON PHARMACEUTICALS, INC. REGN 0001663758 McCourt Marion false 777 OLD SAW MILL RIVER ROAD TARRYTOWN NY 10591 0 1 0 0 EVP Commercial 1 Common Stock 2026-09-02 4 S 0 1215 850.0 D 13134 D Common Stock 2026-09-03 4 S 0 1131 857.39 D 12003 D Common Stock 219 I By 401(k) Plan Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 17, 2026. /s/ Marion McCourt 2026-09-03