Common Contracts

WITNESSETH:

Stock Purchase Agreement • November 19th, 2003 • Cemex Sa De Cv • Cement, hydraulic

• Contract Type
  Stock Purchase Agreement
• Filed
  November 19th, 2003
• Company
  Cemex Sa De Cv
• Industry
  Cement, hydraulic

EXHIBIT 10.66 CONFIDENTIAL PORTIONS OMITTED ----------------------------- OPTION AGREEMENT

Stock Purchase Agreement • May 12th, 2000 • Cortex Pharmaceuticals Inc/De/ • Pharmaceutical preparations • California

• Contract Type
  Stock Purchase Agreement
• Filed
  May 12th, 2000
• Company
  Cortex Pharmaceuticals Inc/De/
• Industry
  Pharmaceutical preparations
• Jurisdiction
  California

STOCK PURCHASE AGREEMENT BY AND BETWEEN CROW FAMILY PARTNERSHIP, L.P. AND THE CARREKER GROUP, INC.

Stock Purchase Agreement • March 20th, 1998 • Carreker Antinori Inc • Texas

• Contract Type
  Stock Purchase Agreement
• Filed
  March 20th, 1998
• Company
  Carreker Antinori Inc
• Jurisdiction
  Texas