REPLIGEN CORP — Director's Dealing 2020

Mar 5, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2020-03-03

Reporting Person: RYAN THOMAS F JR (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-03-03	Common Stock	S	2225	$85.72	Disposed	1923	Direct
2020-03-04	Common Stock	M	1992	$41.19	Acquired	3915	Direct
2020-03-04	Common Stock	M	2804	$42.07	Acquired	6719	Direct
2020-03-04	Common Stock	S	4796	$88.82	Disposed	1923	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-03-04	Stock Option (Right to Buy)	$41.19	M	1992	Disposed	2025-05-21	Common Stock (1992)	Direct
2020-03-04	Stock Option (Right to Buy)	$42.07	M	2804	Disposed	2028-05-16	Common Stock (2804)	Direct

Footnotes

F1: $85.72 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.51 to $85.98, 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: $88.82 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.51 to $89.44, 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.

F3: This option is currently exercisable.