| 2004-05-10 | Sale | CSG Systems International, Inc. CSGS | President & COO | 20,000 0.0424% | $19.50 | $390,000 | -2.87% | |
| 2004-05-04 | Sale | CSG Systems International, Inc. CSGS | President & COO | 25,000 0.0291% | $10.16 | $254,010 | +2.06% | |
| 2004-05-03 | Sale | CSG Systems International, Inc. CSGS | President & COO | 50,000 0.0776% | $13.50 | $674,800 | +2.33% |