GTT COMMUNICATIONS INC

CUSIP: 362393100 Class: Stock

Calamos Advisors LLC's Holding History (CIK: 0001316507)

Note: Option positions (PUT/CALL) are excluded.

Q2 2016
Shares 19,300 Value ($000) $357 Avg Close — Range —
Q1 2016
Shares 27,350 Value ($000) $452 Avg Close — Range —
Q4 2015
Shares 25,800 Value ($000) $440 Avg Close — Range —
Q3 2015
Shares 28,800 Value ($000) $670 Avg Close — Range —
Q2 2015
Shares 28,800 Value ($000) $687 Avg Close — Range —
Q1 2015
Shares 28,800 Value ($000) $544 Avg Close — Range —
Q4 2014
Shares 30,700 Value ($000) $406 Avg Close — Range —