0000899243-22-009046.txt : 20220303 0000899243-22-009046.hdr.sgml : 20220303 20220303155215 ACCESSION NUMBER: 0000899243-22-009046 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220301 FILED AS OF DATE: 20220303 DATE AS OF CHANGE: 20220303 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: 22708478 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 doc4.xml FORM 4 SUBMISSION X0306 4 2022-03-01 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 2022-03-01 4 F 0 7292 194.06 D 199315 D Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the release of restricted stock units. /s/ Kimberly Brown (Attorney in Fact) 2022-03-03