REPLIGEN CORP — Director's Dealing 2020

Aug 5, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2020-07-31

Reporting Person: RYAN THOMAS F JR (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-07-31	Common Stock	M	2109	$67.71	Acquired	4559	Direct
2020-07-31	Common Stock	S	2109	$151.96	Disposed	2450	Direct
2020-07-31	Common Stock	S	986	$151.77	Disposed	1464	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-07-31	Stock Option (Right to Buy)	$67.71	A	2109	Acquired	2029-05-15	Common Stock (2109)	Direct

Footnotes

F1: This option is currently exercisable.