REPLIGEN CORP — Director's Dealing 2016

Jul 15, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: REPLIGEN CORP (RGEN)
CIK: 0000730272
Period of Report: 2016-07-14

Reporting Person: DAWES KAREN A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-07-14	Common Stock	A	20000	—	Acquired	75764	Direct

Footnotes

F1: Ms. Dawes was awarded 20,000 Restricted Stock Units. Each Restricted Stock Unit represents a contingent right to receive one share of Repligen Corporation's Common Stock. The Restricted Stock Units will vest in equal annual installments over a five (5) year period, on the earlier of, (i) May 11th of such year and (ii) Repligen Corporation's annual meeting of its stockholders held in such year. The Restricted Stock Units may be settled only by delivering shares of Repligen Corporation's Common Stock, and thus, the grant is being reported in Table 1 as allowed per SEC guidance.