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FILED AS OF DATE: 20260825
DATE AS OF CHANGE: 20260824

FILER:

 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
 EIN: 042729386
 STATE OF INCORPORATION: DE
 FISCAL YEAR END: 1231

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 BUSINESS ADDRESS: 
 STREET 1: 41 SEYON STREET
 STREET 2: BUILDING 1, SUITE 100
 CITY: WALTHAM
 STATE: MA
 ZIP: 02453
 BUSINESS PHONE: 7814499560

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