0000899243-19-016500.txt : 20190611 0000899243-19-016500.hdr.sgml : 20190611 20190611185923 ACCESSION NUMBER: 0000899243-19-016500 CONFORMED SUBMISSION TYPE: 4/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190228 FILED AS OF DATE: 20190611 DATE AS OF CHANGE: 20190611 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hunt Anthony CENTRAL INDEX KEY: 0001606030 FILING VALUES: FORM TYPE: 4/A SEC ACT: 1934 Act SEC FILE NUMBER: 000-14656 FILM NUMBER: 19892151 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/A 1 doc4a.xml FORM 4/A SUBMISSION X0306 4/A 2019-02-28 2019-03-04 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 Stock Option (Right to Buy) 59.52 2019-02-28 4 A 0 21756 0.00 A 2019-02-28 Common Stock 21756 21756 D One third of the stock options will vest and become exercisable annually on February 28, 2020, February 28, 2021 and February 28, 2022 This Form 4/A amends a Form 4 filed on 3/4/2019 to correct the number of shares acquired from 21,651 to 21,756 due to the incorrect Black Scholes fair value used to calculate the number of stock options granted. /s/ Jeffrey P. Leduc (Attorney in Fact) 2019-06-11