SEC Comment Letter for REPLIGEN CORP (RGEN) (CIK 0000730272) (RGEN) — Sep 10, 2009
REPLIGEN CORP (RGEN) (CIK 0000730272)
Date: Sept. 10, 2009 · CIK: 0000730272 · Accession: 0000000000-09-050320
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File numbers found in text: 000-14656
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Via Facsimile and U.S. Mail
Mail Stop 4720
September 10, 2009 Walter C. Herlihy, Ph.D. President, Chief Executive Officer and Director 41 Seyon Street, Building #1, Suite 100 Waltham, Massachusetts 02453
Re: Repligen Corporation
Form 10-K for the Year Ended March 31, 2008 Filed June 13, 2008 DEF 14A filed July 29, 2008 File No. 000-14656
Dear Dr. Herlihy:
We have completed our review of your Form 10-K and related filings and have
no further comments at this time.
Sincerely,
Jeffrey P. Riedler Assistant Director