REPLIGEN CORP — Director's Dealing 2012

Sep 24, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2012-09-21

Reporting Person: COOPER GLENN L MD (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-09-21	Common Stock	P	5000	$6.0899	Acquired	21038	Direct
2012-09-21	Common Stock	P	3000	$6.0884	Acquired	24038	Direct
2012-09-21	Common Stock	P	2000	$6.0797	Acquired	26038	Direct