These pages provide visibility to Repligen news, SEC filings, financial and other information that may factor into an investment decision. We welcome your questions or comments.

Information Request

Investor Questions
phone: 781.419.1881

Stockholder Questions
Contact our Transfer Agent:
American Stock Transfer & Trust Company
59 Maiden Lane
Plaza Level
New York, NY 10038
phone: 877.777.0800, option 1

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