| 2017-12-14 | Sale | CSG Systems International, Inc. CSGS | director | 8,878 0.0274% | $44.23 | $392,665 | -5.19% | |
| 2016-03-15 | Sale | CSG Systems International, Inc. CSGS | director | 10,000 0.0323% | $39.23 | $392,345 | +6.89% | |
| 2006-08-11 | Sale | CSG Systems International, Inc. CSGS | director | 13,000 0.0278% | $26.06 | $338,766 | +1.76% |