REPLIGEN CORP — Director's Dealing 2015

Sep 16, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2015-09-14

Reporting Person: MUIR GLENN P (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-09-14	Stock Option (Right to Buy)	$36.29	A	24000	Acquired	2025-09-14	Common Stock (24000)	Direct

Footnotes

F1: 8,000 shares become exercisable on each of 9/14/2016, 9/14/2017 and 9/14/2018.