REPLIGEN CORP — Director's Dealing 2017

Mar 22, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2017-03-17

Reporting Person: Snodgres Jon (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-03-17	Common Stock	S	1909	$34.9115	Disposed	23789	Direct
2017-03-17	Common Stock	M	4000	$24.50	Acquired	27789	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-03-17	Stock Option (Right to Buy)	$24.50	M	4000	Disposed	2024-07-14	Common Stock (4000)	Direct

Footnotes

F1: 2,000 shares vest and become exercisable on each of the following dates: 7/14/2015, 7/14/2016, 7/14/2017, 7/14/2018 and 7/14/2019.