REPLIGEN CORP — Director's Dealing 2021

Apr 9, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2021-04-06

Reporting Person: Bylund James (SVP, Global Operations & IT)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-04-06	Common Stock	S	360	$204.25	Disposed	6324	Direct

Footnotes

F1: Sale of shares in the open market to cover tax liability resulting from the release of restricted stock units.

F2: $204.25 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.07 to $204.30, 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.