REPLIGEN CORP — Director's Dealing 2019

Mar 5, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2019-03-01

Reporting Person: KURIYEL RALF (Senior VP, R&D)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-03-01	Common Stock	A	4700	$0.00	Acquired	21043	Direct
2019-03-05	Common Stock	S	2240	$58.53	Disposed	18803	Direct

Footnotes

F1: Represents shares awarded pursuant to Performance Share Units ("PSUs"). The Compensation Committee authorized the issuance of the underlying shares based upon the Issuer's achievement of pre-established performance criteria related to the filing of the 2018 Annual Report on Form 10-K, which was filed on March 1, 2019. These PSUs vested on March 1, 2019.

F2: Sale of 2,240 shares in the open market to cover tax liability resulting from the release of restricted stock units and PSUs.

F3: $58.53 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.30 to $58.89, 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.