0000903423-12-000116 Sample Contracts

LOCK-UP AGREEMENT

Lock-Up Agreement • February 23rd, 2012 • Glaxosmithkline PLC • Pharmaceutical preparations • New York

• Contract Type
  Lock-Up Agreement
• Filed
  February 23rd, 2012
• Company
  Glaxosmithkline PLC
• Industry
  Pharmaceutical preparations
• Jurisdiction
  New York

Contract

Exhibit 4 Stock Purchase Agreement • February 23rd, 2012 • Glaxosmithkline PLC • Pharmaceutical preparations • California

• Contract Type
  Exhibit 4 Stock Purchase Agreement
• Filed
  February 23rd, 2012
• Company
  Glaxosmithkline PLC
• Industry
  Pharmaceutical preparations
• Jurisdiction
  California

This Stock Purchase Agreement (the “Agreement”) is made and entered into as of February 8, 2012, by and between ChemoCentryx, Inc., a Delaware corporation (the “Company”), and Glaxo Group Limited, a limited liability company organized under the laws of England doing business as GlaxoSmithKline (“GSK”).