Amendment to Stock Option Sample Contracts

Amendment to Stock Option

Amendment to Stock Option • July 26th, 2013 • Five Prime Therapeutics Inc • Pharmaceutical preparations

• Contract Type
  Amendment to Stock Option
• Filed
  July 26th, 2013
• Company
  Five Prime Therapeutics Inc
• Industry
  Pharmaceutical preparations

This Amendment to Stock Option (this “Amendment”) is entered into between Five Prime Therapeutics, Inc., a Delaware corporation (the “Company”), and Aron Knickerbocker, effective as of March 15, 2011 (the “Amendment Effective Date”). Each capitalized term used but not defined in this Amendment has the meaning assigned to such term in the Option (as defined below).