0001140361-18-011550.txt : 20180302 0001140361-18-011550.hdr.sgml : 20180302 20180302150123 ACCESSION NUMBER: 0001140361-18-011550 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180228 FILED AS OF DATE: 20180302 DATE AS OF CHANGE: 20180302 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hunt Anthony CENTRAL INDEX KEY: 0001606030 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-14656 FILM NUMBER: 18661451 MAIL ADDRESS: STREET 1: 41 SEYON STREET STREET 2: BUILDING 1, SUITE 100 CITY: WALTHAM STATE: MA ZIP: 02452 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: REPLIGEN CORP CENTRAL INDEX KEY: 0000730272 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 042729386 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 41 SEYON STREET STREET 2: BUILDING 1, SUITE 100 CITY: WALTHAM STATE: MA ZIP: 02453 BUSINESS PHONE: 7814499560 MAIL ADDRESS: STREET 1: 41 SEYON STREET STREET 2: BUILDING 1, SUITE 100 CITY: WALTHAM STATE: MA ZIP: 02453 4 1 doc1.xml FORM 4 X0306 4 2018-02-28 0 0000730272 REPLIGEN CORP RGEN 0001606030 Hunt Anthony C/O REPLIGEN CORPORATION 41 SEYON ST, BLDG 1, STE 100 WALTHAM MA 02453 1 1 0 0 Chief Executive Officer Common Stock 2018-02-28 4 F 0 8825 34.9066 D 74788 D Payment of tax liability made via forfeiture of 8,825 shares of Common Stock valued at a weighted average price of $34.9066 per share on February 28, 2018. /s/ Jeffrey P. Leduc (Attorney in Fact) 2018-03-02