REPLIGEN CORP — Director's Dealing 2020

Apr 24, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2020-04-22

Reporting Person: BARTHELEMY NICOLAS (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-04-22	Common Stock	M	1652	$42.07	Acquired	5725	Direct
2020-04-22	Common Stock	S	2688	$109.99	Disposed	3037	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-04-22	Stock Option (Right to Buy)	$42.07	M	1652	Disposed	2028-05-16	Common Stock (1652)	Direct

Footnotes

F1: Sale of common stock was effected pursuant to a 10(b)5-1 trading plan adopted on February 28, 2020.

F2: This option is currently exercisable.