0001140361-12-017457.txt : 20120326 0001140361-12-017457.hdr.sgml : 20120326 20120326174429 ACCESSION NUMBER: 0001140361-12-017457 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120322 FILED AS OF DATE: 20120326 DATE AS OF CHANGE: 20120326 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WITT DANIEL P CENTRAL INDEX KEY: 0001241030 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-14656 FILM NUMBER: 12715361 MAIL ADDRESS: STREET 1: C/O REPLIGEN CORP 41 STREET 2: SEYON ST. 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 4 1 doc1.xml FORM 4 X0305 4 2012-03-22 0 0000730272 REPLIGEN CORP RGEN 0001241030 WITT DANIEL P C/O REPLIGEN CORPORATION 41 SEYON STREET, BUILDING 1, SUITE 100 WALTHAM MA 02453 0 1 0 0 Vice President Common Stock 2012-03-22 2012-03-22 4 M 0 10000 3.24 A 52200 D Common Stock 2012-03-22 2012-03-22 4 F 0 6493 4.99 D 45707 D Stock Option (Right to Buy) 3.24 2012-03-22 2012-03-22 4 M 0 10000 0 D 2003-04-11 2012-04-11 Common Stock 10000 107500 D Payment made via forfeiture of 6,493 shares of Common Stock valued at the Closing Price of $4.99 on March 22, 2012. William J. Kelly (Attorney in Fact) 2012-03-26