<SEC-DOCUMENT>0000950170-23-051737-index.html : 20231003 <SEC-HEADER>0000950170-23-051737.hdr.sgml : 20231003 <ACCEPTANCE-DATETIME>20231003200335 ACCESSION NUMBER: 0000950170-23-051737 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20231002 FILED AS OF DATE: 20231003 DATE AS OF CHANGE: 20231003 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Loeillot Olivier CENTRAL INDEX KEY: 0001995525 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 000-14656 FILM NUMBER: 231306234 MAIL ADDRESS: STREET 1: C/O REPLIGEN CORPORATION STREET 2: 41 SEYON STREET, BUILDING 1, SUITE 100 CITY: WALTHAM STATE: MA ZIP: 02453 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 </SEC-HEADER> <DOCUMENT> <TYPE>3 <SEQUENCE>1 <FILENAME>ownership.xml <DESCRIPTION>3 <TEXT> Document 1 - file: ownership.html
Document 1 - RAW XML: ownership.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-24.1 <SEQUENCE>2 <FILENAME>rgen-ex24_1.htm <DESCRIPTION>EX-24.1 <TEXT> Document 2 - file: rgen-ex24_1.htm
</DOCUMENT> </SEC-DOCUMENT>