REPLIGEN CORP — Director's Dealing 2022

Feb 23, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2022-02-17

Reporting Person: Gebski Christine (See Remarks)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-02-17	Common Stock	A	450	$0.00	Acquired	33768	Direct
2022-02-17	Common Stock	F	224	$182.42	Disposed	33544	Direct

Footnotes

F1: Represents shares issued pursuant to a Performance Stock Unit ("PSU") award granted to the Issuer on January 4, 2021. The Compensation Committee authorized the issuance of the underlying shares based upon the Issuer's achievement of pre-established performance criteria set forth in the PSU award.

F2: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations of the reporting person that arose upon the settlement of the PSUs.