SEC Comment Letter for REPLIGEN CORP (RGEN) (CIK 0000730272) (RGEN) — Mar 8, 2017
REPLIGEN CORP (RGEN) (CIK 0000730272)
Date: March 8, 2017 · CIK: 0000730272 · Accession: 0000000000-17-007689
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Mail Stop 4546 March 8, 2017 Via E -mail Mr. Jon Snodgres Chief Financial Officer Repligen Corporation 41 Seyon Street Bldg. 1, Suite 100 Waltham, MA 0245 3 Re: Repligen Corporation Form 10-K for the fiscal year ended December 31, 2015 Filed February 2 5, 2016 File No. 0 -14656 Dear Mr. Snodgres : We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of the ir disclosure s, notwithstanding any review, comments, action or absence of action by the staff . Sincerely, /s/ Angela M. Connell Angela M. Connell Account ing Branch Chief Office of Healthcare and Insurance