| 2015-12-08 | PREMIERE GLOBAL SERVICES, INC. | D | −347K sh | $14.00 | −$4.86M | 0 |
| 2015-12-08 | PREMIERE GLOBAL SERVICES, INC. | D | −4,737 sh | $14.00 | −$66.3K | 0 |
| 2015-09-30 | PREMIERE GLOBAL SERVICES, INC. | F | −4,513 sh | $13.74 | −$62K | 346,786 |
| 2015-06-30 | PREMIERE GLOBAL SERVICES, INC. | F | −3,466 sh | $10.29 | −$35.7K | 351,299 |
| 2015-03-31 | PREMIERE GLOBAL SERVICES, INC. | F | −2,070 sh | $9.56 | −$19.8K | 254,237 |
| 2015-03-31 | PREMIERE GLOBAL SERVICES, INC. | A | +50.3K sh | — | — | 304,501 |
| 2015-03-31 | PREMIERE GLOBAL SERVICES, INC. | A | +50.3K sh | — | — | 354,765 |
| 2015-02-27 | PREMIERE GLOBAL SERVICES, INC. | D | −1,729 sh | — | — | 256,307 |
| 2015-02-27 | PREMIERE GLOBAL SERVICES, INC. | F | −5,251 sh | $9.74 | −$51.1K | 253,173 |
| 2015-02-27 | PREMIERE GLOBAL SERVICES, INC. | D | −1,729 sh | — | — | 251,444 |
| 2015-02-27 | PREMIERE GLOBAL SERVICES, INC. | A | +7,910 sh | — | — | 259,354 |
| 2015-02-27 | PREMIERE GLOBAL SERVICES, INC. | F | −1,318 sh | $9.74 | −$12.8K | 258,036 |
| 2014-12-31 | PREMIERE GLOBAL SERVICES, INC. | F | −971 sh | $10.62 | −$10.3K | 259,523 |
| 2014-12-31 | PREMIERE GLOBAL SERVICES, INC. | F | −1,099 sh | $10.62 | −$11.7K | 258,424 |
| 2014-09-30 | PREMIERE GLOBAL SERVICES, INC. | F | −2,069 sh | $11.97 | −$24.8K | 260,494 |
| 2014-06-30 | PREMIERE GLOBAL SERVICES, INC. | F | −971 sh | $13.35 | −$13K | 263,661 |
| 2014-06-30 | PREMIERE GLOBAL SERVICES, INC. | F | −1,098 sh | $13.35 | −$14.7K | 262,563 |
| 2013-12-31 | PREMIERE GLOBAL SERVICES, INC. | F | −1,396 sh | $11.59 | −$16.2K | 211,503 |
| 2013-12-06 | PREMIERE GLOBAL SERVICES, INC. | S | ▼−50K sh | $10.40 | ▼−$520K | 212,899 |
| 2013-09-30 | PREMIERE GLOBAL SERVICES, INC. | F | −1,247 sh | $9.96 | −$12.4K | 262,899 |
| 2013-06-30 | PREMIERE GLOBAL SERVICES, INC. | F | −3,750 sh | $12.07 | −$45.3K | 264,146 |
| 2013-03-31 | PREMIERE GLOBAL SERVICES, INC. | F | −2,779 sh | — | — | 198,016 |
| 2013-03-31 | PREMIERE GLOBAL SERVICES, INC. | A | +35K sh | — | — | 232,966 |
| 2013-03-31 | PREMIERE GLOBAL SERVICES, INC. | A | +35K sh | — | — | 267,916 |
| 2013-02-19 | PREMIERE GLOBAL SERVICES, INC. | F | −7,224 sh | $10.37 | −$74.9K | 203,552 |
| 2013-02-19 | PREMIERE GLOBAL SERVICES, INC. | D | −2,757 sh | — | — | 200,795 |
| 2012-12-31 | PREMIERE GLOBAL SERVICES, INC. | F | −3,537 sh | $9.78 | −$34.6K | 210,776 |
| 2012-12-31 | PREMIERE GLOBAL SERVICES, INC. | F | −3,537 sh | $9.78 | −$34.6K | 210,776 |
| 2012-09-30 | PREMIERE GLOBAL SERVICES, INC. | F | −3,537 sh | $9.35 | −$33.1K | 214,313 |
| 2012-06-30 | PREMIERE GLOBAL SERVICES, INC. | F | −3,537 sh | $8.39 | −$29.7K | 217,850 |
| 2012-03-31 | PREMIERE GLOBAL SERVICES, INC. | F | −3,537 sh | $9.04 | −$32K | 221,387 |
| 2012-02-23 | PREMIERE GLOBAL SERVICES, INC. | S | ▼−7,720 sh | $9.25 | ▼−$71.4K | 224,924 |
| 2012-02-22 | PREMIERE GLOBAL SERVICES, INC. | S | ▼−28.7K sh | $9.26 | ▼−$266K | 232,644 |
| 2012-02-21 | PREMIERE GLOBAL SERVICES, INC. | F | −7,127 sh | $9.46 | −$67.4K | 261,374 |
| 2011-12-31 | PREMIERE GLOBAL SERVICES, INC. | F | −3,537 sh | $8.47 | −$30K | 268,501 |
| 2011-09-30 | PREMIERE GLOBAL SERVICES, INC. | F | −3,537 sh | $6.42 | −$22.7K | 272,038 |
| 2011-06-30 | PREMIERE GLOBAL SERVICES, INC. | F | −3,537 sh | $7.98 | −$28.2K | 275,575 |
| 2011-03-31 | PREMIERE GLOBAL SERVICES, INC. | F | −3,537 sh | $7.62 | −$27K | 279,112 |
| 2011-03-07 | PREMIERE GLOBAL SERVICES, INC. | F | −5,956 sh | $6.61 | −$39.4K | 282,649 |
| 2010-12-31 | PREMIERE GLOBAL SERVICES, INC. | F | −3,537 sh | $6.80 | −$24.1K | 288,605 |
| 2010-09-30 | PREMIERE GLOBAL SERVICES, INC. | F | −21.2K sh | $7.08 | −$150K | 295,679 |
| 2010-09-30 | PREMIERE GLOBAL SERVICES, INC. | F | −3,537 sh | $7.08 | −$25K | 292,142 |
| 2010-07-29 | PREMIERE GLOBAL SERVICES, INC. | A | +100K sh | — | — | 266,904 |
| 2010-07-29 | PREMIERE GLOBAL SERVICES, INC. | A | +50K sh | — | — | 316,904 |
| 2010-03-31 | PREMIERE GLOBAL SERVICES, INC. | F | −6,367 sh | $8.26 | −$52.6K | 166,904 |
| 2009-12-31 | PREMIERE GLOBAL SERVICES, INC. | F | −6,367 sh | $8.25 | −$52.5K | 173,271 |
| 2009-09-30 | PREMIERE GLOBAL SERVICES, INC. | F | −17K sh | $8.31 | −$141K | 179,638 |
| 2009-08-13 | PREMIERE GLOBAL SERVICES, INC. | S | ▼−50K sh | $10.19 | ▼−$509K | 196,617 |
| 2009-06-30 | PREMIERE GLOBAL SERVICES, INC. | F | −6,367 sh | $10.84 | −$69K | 246,617 |
| 2009-03-31 | PREMIERE GLOBAL SERVICES, INC. | F | −6,367 sh | $8.82 | −$56.2K | 252,984 |