REPLIGEN CORP — Director's Dealing 2020

Nov 11, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2020-11-09

Reporting Person: Snodgres Jon (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-11-09	Common Stock	S	705	$194.69	Disposed	31562	Direct
2020-11-09	Common Stock	M	1893	$59.52	Acquired	33455	Direct
2020-11-10	Common Stock	M	3086	$32.40	Acquired	36541	Direct
2020-11-10	Common Stock	S	3086	$193.00	Disposed	33455	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-11-09	Stock Option (Right to Buy)	$59.52	M	1893	Disposed	2029-02-28	Common Stock (1893)	Direct
2020-11-10	Stock Option (Right to Buy)	$32.40	M	3086	Disposed	2027-02-23	Common Stock (3086)	Direct

Footnotes

F1: $194.69 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $194.56 to $194.89, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F2: Shares vest and become exercisable as follows: 1,894 shares on 2/28/2021 and 1,894 shares on 2/28/2022.

F3: This option is currently exercisable.