| Mar 10, 2019 AForm 4 → | Mar 12, 4:09 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 85,055 | $41.15 | $3,500,013 | 326,030 | — | plan? |
| Feb 25, 2019 FForm 4 → | Feb 26, 6:43 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 5,318 | $41.97 | $223,196 | 240,975 | — | plan? |
| Feb 22, 2019 FForm 4 → | Feb 25, 8:51 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 8,172 | $41.42 | $338,514 | 246,293 | — | plan? |
| Feb 21, 2019 FForm 4 → | Feb 22, 5:01 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 1,336 | $41.80 | $55,845 | 254,465 | — | plan? |
| Feb 21, 2019 SForm 4 → | Feb 22, 5:01 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 25,000 | $40.88 | $1,022,000 | 255,801 | −8.90% | plan? |
| Nov 19, 2018 FForm 4 → | Nov 21, 12:01 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 3,142 | $36.29 | $114,023 | 280,801 | — | plan? |
| Aug 7, 2018 GForm 4 → | Aug 9, 6:46 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 221 | — | — | 283,943 | — | plan? |
| Mar 23, 2018 FForm 4 → | Mar 26, 1:37 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 8,031 | $45.71 | $367,097 | 284,164 | — | plan? |
| Feb 26, 2018 FForm 4 → | Feb 28, 4:59 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 1,971 | $48.26 | $95,120 | 292,195 | — | plan? |
| Feb 23, 2018 FForm 4 → | Feb 27, 7:02 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 8,593 | $48.16 | $413,823 | 294,166 | — | plan? |
| Feb 22, 2018 ADForm 4 → | Feb 26, 8:10 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 114,529 | $47.98 | $4,699,977 | 302,759 | — | plan? |
| Feb 22, 2018 SForm 4 → | Feb 26, 11:41 am EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 20,000 | $48.42 | $968,400 | 221,374 | −8.29% | plan? |
| Feb 22, 2018 FForm 4 → | Feb 26, 11:41 am EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,647 | $47.71 | $126,288 | 241,374 | — | plan? |
| Nov 20, 2017 FForm 4 → | Nov 22, 10:04 am EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 3,326 | $44.23 | $147,109 | 244,021 | — | plan? |
| Mar 17, 2017 FForm 4 → | Mar 20, 10:59 am EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 12,709 | $38.26 | $486,246 | 247,347 | — | plan? |
| Feb 27, 2017 FForm 4 → | Mar 1, 5:25 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 3,270 | $39.97 | $130,702 | 260,056 | — | plan? |
| Feb 27, 2017 FForm 4 → | Feb 28, 7:02 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 3,634 | $40.03 | $145,469 | 263,326 | — | plan? |
| Feb 23, 2017 AForm 4 → | Feb 27, 6:16 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 75,245 | $39.87 | $3,000,018 | 266,960 | — | plan? |
| Feb 23, 2017 FForm 4 → | Feb 24, 8:25 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,922 | $39.99 | $116,851 | 191,715 | — | plan? |
| Feb 22, 2017 SForm 4 → | Feb 24, 1:48 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 20,000 | $39.82 | $796,488 | 194,637 | −9.32% | plan? |
| Dec 15, 2016 GForm 4 → | Dec 16, 10:16 am EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 840 | $48.66 | $40,874 | 214,637 | — | plan? |
| Dec 14, 2016 GForm 4 → | Dec 16, 10:08 am EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 212 | $47.96 | $10,168 | 215,477 | — | plan? |
| Nov 21, 2016 FForm 4 → | Nov 22, 5:21 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 3,326 | $42.78 | $142,286 | 215,689 | — | plan? |
| Mar 23, 2016 AForm 4 → | Mar 25, 4:35 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 24,858 | $42.24 | $1,050,002 | 219,015 | — | plan? |
| Mar 17, 2016 FForm 4 → | Mar 21, 3:12 pm EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 11,124 | $42.29 | $470,434 | 194,157 | — | plan? |
| Feb 29, 2016 FForm 4 → | Mar 2, 6:20 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 1,825 | $37.96 | $69,277 | 205,281 | — | plan? |
| Feb 25, 2016 AFForm 4/A → | Mar 2, 6:10 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 21,723 | $39.20 | $851,542 | 207,106 | — | plan? |
| Feb 25, 2016 AFForm 4 → | Feb 29, 8:08 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 20,889 | $39.20 | $818,849 | 207,940 | — | plan? amended |
| Feb 23, 2016 FForm 4 → | Feb 25, 8:02 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,402 | $37.90 | $91,036 | 193,115 | — | plan? |
| Feb 19, 2016 FForm 4/A → | Feb 25, 7:43 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,942 | $37.60 | $110,619 | 195,517 | — | plan? |
| Feb 19, 2016 FForm 4 → | Feb 23, 8:06 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,889 | $37.60 | $108,626 | 197,020 | — | plan? amended |
| Nov 19, 2015 AForm 4 → | Nov 23, 4:47 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 28,337 | $35.29 | $1,000,013 | 198,459 | — | plan? |
| Mar 6, 2015 FForm 4 → | Mar 10, 11:02 am EDT | CSG SYSTEMS INTERNATIONAL INCCSGS | 3,737 | $30.18 | $112,783 | 170,122 | — | plan? |
| Mar 2, 2015 SForm 4 → | Mar 4, 12:42 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 20,000 | $29.93 | $598,600 | 173,859 | −10.3% | plan? |
| Mar 2, 2015 FForm 4 → | Mar 4, 12:42 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 1,820 | $29.97 | $54,545 | 193,859 | — | plan? |
| Feb 27, 2015 FForm 4 → | Mar 3, 9:23 am EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 1,825 | $29.91 | $54,586 | 195,679 | — | plan? |
| Feb 23, 2015 FForm 4 → | Feb 25, 4:13 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 2,400 | $30.54 | $73,296 | 197,504 | — | plan? |
| Feb 19, 2015 AFForm 4 → | Feb 23, 5:02 pm EST | CSG SYSTEMS INTERNATIONAL INCCSGS | 46,370 | $30.12 | $1,396,664 | 155,083 | — | plan? |