0001193125-11-349704 Sample Contracts

REGISTRATION RIGHTS AGREEMENT

Registration Rights Agreement • December 22nd, 2011 • ARCA Biopharma, Inc. • In vitro & in vivo diagnostic substances • New York

• Contract Type
  Registration Rights Agreement
• Filed
  December 22nd, 2011
• Company
  ARCA Biopharma, Inc.
• Industry
  In vitro & in vivo diagnostic substances
• Jurisdiction
  New York

This REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of December [ ], 2011, is by and among ARCA biopharma, Inc., a Delaware corporation (the “Company”), and each of the undersigned buyers (each, a “Buyer,” and collectively, the “Buyers”).

SUBSCRIPTION AGREEMENT

Subscription Agreement • December 22nd, 2011 • ARCA Biopharma, Inc. • In vitro & in vivo diagnostic substances • New York

• Contract Type
  Subscription Agreement
• Filed
  December 22nd, 2011
• Company
  ARCA Biopharma, Inc.
• Industry
  In vitro & in vivo diagnostic substances
• Jurisdiction
  New York

This Subscription Agreement (the “Agreement”) is dated as of December [ ], 2011 (the “Effective Date”), between ARCA biopharma, Inc., a Delaware corporation (the “Company”), and the purchaser identified on the signature page hereto (including its successors and assigns, the “Purchaser”).