0001950047-23-000205.txt : 20230421 0001950047-23-000205.hdr.sgml : 20230421 20230421162633 ACCESSION NUMBER: 0001950047-23-000205 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230421 DATE AS OF CHANGE: 20230421 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: REGENERON PHARMACEUTICALS, INC. CENTRAL INDEX KEY: 0000872589 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 133444607 STATE OF INCORPORATION: NY FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 000-19034 FILM NUMBER: 23836707 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: BROWN MICHAEL S CENTRAL INDEX KEY: 0001174475 FILING VALUES: FORM TYPE: 144 144 1 primary_doc.xml 144 0001174475 XXXXXXXX LIVE 0000872589 REGENERON PHARM 000-19034 777 Old Saw Mill Parkway Tarrytown NY 10591 9148477468 Michael S. Brown Officer COMMON Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 38th Fl. New York NY 10004

3070 2450167.00 107507000 04/21/2023 NASDAQ Common 04/21/2023 Exercise of Stock Options Issuer N 3070 04/21/2023 Cash N 10b5-1 Sales Plan for MICHAEL S BROWN MD

777 Old Saw Mill Parkway Tarrytown NY 10591

Common 02/06/2023 500 398500.00 10b5-1 Sales Plan for MICHAEL S BROWN MD

777 Old Saw Mill Parkway Tarrytown NY 10591

Common 02/06/2023 3071 2450658.00 10b5-1 Sales Plan for MICHAEL S BROWN MD

777 Old Saw Mill Parkway Tarrytown NY 10591

Common 01/27/2023 1 747.00 04/21/2023 02/22/2023 /S/ Michael Brown