| 2012-05-11 | Sale | CSG Systems International, Inc. CSGS | director | 16,000 0.0498% | $16.55 | $264,800 | +17.18% | |
| 2012-02-17 | Sale | CSG Systems International, Inc. CSGS | director | 20,000 0.0618% | $16.17 | $323,450 | +11.78% | |
| 2009-08-05 | Sale | CSG Systems International, Inc. CSGS | director | 26,804 0.0795% | $16.11 | $431,826 | +19.39% | |
| 2009-01-02 | Sale | CSG Systems International, Inc. CSGS | director | 30,000 0.0852% | $17.35 | $520,622 | -16.22% | |
| 2006-11-10 | Sale | CSG Systems International, Inc. CSGS | director | 4,760 0.0079% | $21.00 | $99,960 | -6.81% | |
| 2006-08-25 | Sale | CSG Systems International, Inc. CSGS | director | 54,475 0.1167% | $26.47 | $1.44M | +0.21% | |
| 2006-08-11 | Sale | CSG Systems International, Inc. CSGS | director | 22,094 0.0475% | $26.24 | $579,780 | +1.76% | |
| 2006-07-31 | Sale | CSG Systems International, Inc. CSGS | director | 53,048 0.0399% | $9.11 | $483,267 | +2.42% | |
| 2004-11-23 | Sale | CSG Systems International, Inc. CSGS | director | 12,300 0.025% | $18.50 | $227,550 | -0.43% | |
| 2004-05-10 | Sale | CSG Systems International, Inc. CSGS | director | 9,880 0.0187% | $17.40 | $171,912 | -2.87% | |
| 2004-05-04 | Sale | CSG Systems International, Inc. CSGS | director | 22,876 0.0346% | $13.22 | $302,309 | +2.06% | |
| 2004-05-03 | Sale | CSG Systems International, Inc. CSGS | director | 3,000 0.0061% | $17.57 | $52,705 | +2.33% |