0000950170-24-027499.txt : 20240306 0000950170-24-027499.hdr.sgml : 20240306 20240306200155 ACCESSION NUMBER: 0000950170-24-027499 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240304 FILED AS OF DATE: 20240306 DATE AS OF CHANGE: 20240306 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: KURIYEL RALF CENTRAL INDEX KEY: 0001733143 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-14656 FILM NUMBER: 24727818 MAIL ADDRESS: STREET 1: 41 SEYON ST STREET 2: BLDG 1, STE. 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] ORGANIZATION NAME: 03 Life Sciences 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 ownership.xml 4 X0508 4 2024-03-04 0000730272 REPLIGEN CORP RGEN 0001733143 KURIYEL RALF C/O REPLIGEN CORPORATION 41 SEYON ST., BLDG 1, STE 100 WALTHAM MA 02453 false true false false Senior VP, R&D false Common Stock 2024-03-04 4 F false 135 193.99 D 26892 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 performance stock units. /s/ Kimberly Brown (Attorney in Fact) 2024-03-06