| 2014-09-30 | PREMIERE GLOBAL SERVICES, INC. | A | +3,436 sh | $12.73 | +$43.7K | 154,867 |
| 2014-06-30 | PREMIERE GLOBAL SERVICES, INC. | A | +3,316 sh | — | — | 151,431 |
| 2013-12-31 | PREMIERE GLOBAL SERVICES, INC. | A | +4,021 sh | — | — | 144,473 |
| 2013-12-09 | PREMIERE GLOBAL SERVICES, INC. | S | ▼−20K sh | $10.41 | ▼−$208K | 140,452 |
| 2013-09-30 | PREMIERE GLOBAL SERVICES, INC. | A | +4,388 sh | — | — | 160,452 |
| 2013-06-30 | PREMIERE GLOBAL SERVICES, INC. | A | +3,633 sh | — | — | 156,064 |
| 2013-03-31 | PREMIERE GLOBAL SERVICES, INC. | A | +3,984 sh | — | — | 152,431 |
| 2012-12-31 | PREMIERE GLOBAL SERVICES, INC. | A | +2,428 sh | — | — | 148,447 |
| 2012-09-30 | PREMIERE GLOBAL SERVICES, INC. | A | +2,540 sh | — | — | 146,019 |
| 2012-06-30 | PREMIERE GLOBAL SERVICES, INC. | A | +2,830 sh | — | — | 143,479 |
| 2012-03-31 | PREMIERE GLOBAL SERVICES, INC. | A | +2,627 sh | — | — | 140,649 |
| 2012-03-09 | PREMIERE GLOBAL SERVICES, INC. | M | +37K sh | $8.53 | +$316K | 154,022 |
| 2012-03-09 | PREMIERE GLOBAL SERVICES, INC. | S | ▼−16K sh | $8.99 | ▼−$144K | 138,022 |
| 2012-03-09 | PREMIERE GLOBAL SERVICES, INC. | M | −37K sh | — | — | 0 |
| 2012-03-08 | PREMIERE GLOBAL SERVICES, INC. | M | −30.4K sh | — | — | 37,000 |
| 2012-03-08 | PREMIERE GLOBAL SERVICES, INC. | M | +30.4K sh | $8.53 | +$259K | 147,378 |
| 2012-03-08 | PREMIERE GLOBAL SERVICES, INC. | S | ▼−30.4K sh | $8.82 | ▼−$268K | 117,022 |
| 2012-03-01 | PREMIERE GLOBAL SERVICES, INC. | S | ▼−21K sh | $8.58 | ▼−$180K | 117,022 |
| 2012-03-01 | PREMIERE GLOBAL SERVICES, INC. | M | +21K sh | $8.53 | +$179K | 138,022 |
| 2012-03-01 | PREMIERE GLOBAL SERVICES, INC. | M | −21K sh | — | — | 67,356 |
| 2012-02-24 | PREMIERE GLOBAL SERVICES, INC. | M | +1,482 sh | $8.53 | +$12.6K | 118,504 |
| 2012-02-24 | PREMIERE GLOBAL SERVICES, INC. | M | −1,482 sh | — | — | 88,356 |
| 2012-02-24 | PREMIERE GLOBAL SERVICES, INC. | S | ▼−1,482 sh | $9.56 | ▼−$14.2K | 117,022 |
| 2012-02-23 | PREMIERE GLOBAL SERVICES, INC. | M | +10.2K sh | $8.53 | +$86.7K | 127,184 |
| 2012-02-23 | PREMIERE GLOBAL SERVICES, INC. | M | −10.2K sh | — | — | 89,838 |
| 2012-02-23 | PREMIERE GLOBAL SERVICES, INC. | S | ▼−10.2K sh | $9.64 | ▼−$98K | 117,022 |
| 2011-12-31 | PREMIERE GLOBAL SERVICES, INC. | A | +2,804 sh | — | — | 117,022 |
| 2011-09-30 | PREMIERE GLOBAL SERVICES, INC. | A | +3,699 sh | — | — | 114,218 |
| 2011-06-30 | PREMIERE GLOBAL SERVICES, INC. | A | +2,976 sh | — | — | 110,519 |
| 2011-03-31 | PREMIERE GLOBAL SERVICES, INC. | A | +3,116 sh | — | — | 107,543 |
| 2010-12-31 | PREMIERE GLOBAL SERVICES, INC. | A | +3,492 sh | — | — | 104,427 |
| 2010-09-30 | PREMIERE GLOBAL SERVICES, INC. | A | +3,354 sh | — | — | 100,935 |
| 2010-06-16 | PREMIERE GLOBAL SERVICES, INC. | A | +13K sh | — | — | 97,581 |
| 2007-06-27 | PREMIERE GLOBAL SERVICES, INC. | A | +7,492 sh | — | — | 69,845 |
| 2007-06-06 | PREMIERE GLOBAL SERVICES, INC. | P | ▲+11.2K sh | $12.63 | ▲+$141K | 62,353 |
| 2007-06-05 | PREMIERE GLOBAL SERVICES, INC. | P | ▲+28.8K sh | $12.59 | ▲+$363K | 51,153 |