REPLIGEN CORP — Director's Dealing 2014

Jun 12, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2014-06-10

Reporting Person: BARTHELEMY NICOLAS (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-06-10	Stock Option (Right to Buy)	$20.37	A	24000	Acquired	2024-06-10	Common Stock (24000)	Direct

Footnotes

F1: 8,000 shares become exercisable on each of 6/10/2015, 6/10/2016 and 6/10/2017.