REPLIGEN CORP — Director's Dealing 2023

Aug 30, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2023-08-29

Reporting Person: DAWES KAREN A (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-08-29	Common Stock	M	7392	$18.12	Acquired	84591	Direct
2023-08-29	Common Stock	S	850	$171.38	Disposed	83741	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-08-29	Stock Option (Right to Buy)	$18.12	M	7392	Acquired	2024-05-15	Common Stock (7392)	Direct

Footnotes

F1: $171.38 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $171.37 to $171.55, 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: This option is fully vested and exercisable.