| 2005-03-04 | Sale | CSG Systems International, Inc. CSGS | director | 15,000 0.0305% | $16.41 | $246,197 | +23.04% | |
| 2005-03-01 | Sale | CSG Systems International, Inc. CSGS | director | 10,000 0.0205% | $17.20 | $172,000 | +18.09% | |
| 2005-02-25 | Sale | CSG Systems International, Inc. CSGS | director | 15,000 0.0303% | $17.08 | $256,239 | +16.4% | |
| 2005-02-24 | Sale | CSG Systems International, Inc. CSGS | director | 10,000 0.0202% | $17.07 | $170,690 | +16.05% | |
| 2005-02-15 | Sale | CSG Systems International, Inc. CSGS | director | 15,300 0.0315% | $18.06 | $276,331 | +8.79% | |
| 2005-02-14 | Sale | CSG Systems International, Inc. CSGS | director | 9,700 0.0198% | $18.07 | $175,293 | +7.71% | |
| 2005-02-11 | Sale | CSG Systems International, Inc. CSGS | director | 72,800 0.1466% | $17.85 | $1.3M | +7.13% | |
| 2005-02-09 | Sale | CSG Systems International, Inc. CSGS | director | 100 0.0002% | $18.00 | $1,800 | +9.11% | |
| 2005-02-08 | Sale | CSG Systems International, Inc. CSGS | director | 2,100 0.0043% | $18.00 | $37,800 | +7.54% | |
| 2005-02-04 | Sale | CSG Systems International, Inc. CSGS | director | 50,000 0.101% | $17.89 | $894,265 | +6.81% | |
| 2005-02-03 | Sale | CSG Systems International, Inc. CSGS | director | 10,000 0.0205% | $17.50 | $175,000 | +10.59% | |
| 2005-01-31 | Sale | CSG Systems International, Inc. CSGS | director | 15,000 0.0304% | $18.03 | $270,406 | +5.93% | |
| 2005-01-28 | Sale | CSG Systems International, Inc. CSGS | director | 27,300 0.055% | $17.62 | $481,046 | +7.4% | |
| 2005-01-27 | Sale | CSG Systems International, Inc. CSGS | director | 22,700 0.0466% | $17.71 | $401,947 | +9.02% | |
| 2005-01-24 | Sale | CSG Systems International, Inc. CSGS | director | 25,000 0.0495% | $17.00 | $424,929 | +9.19% | |
| 2005-01-18 | Sale | CSG Systems International, Inc. CSGS | director | 23,700 0.0481% | $17.15 | $406,353 | +10.77% | |
| 2005-01-10 | Sale | CSG Systems International, Inc. CSGS | director | 25,000 0.0508% | $17.83 | $445,833 | +6.03% | |
| 2005-01-03 | Sale | CSG Systems International, Inc. CSGS | director | 25,000 0.052% | $18.53 | $463,306 | +4.1% | |
| 2004-12-27 | Sale | CSG Systems International, Inc. CSGS | director | 25,000 0.0505% | $18.42 | $460,397 | +2.56% | |
| 2004-12-20 | Sale | CSG Systems International, Inc. CSGS | director | 23,760 0.0481% | $17.82 | $423,328 | +6.09% |