ASPEN TECHNOLOGY INC

CUSIP: 045327103 Class: COM

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

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

Q3 2019
Shares 6,510 Value ($000) $801 Avg Close — Range —
Q2 2019
Shares 6,510 Value ($000) $809 Avg Close — Range —
Q3 2013
Shares 18,300 Value ($000) $632 Avg Close — Range —
Q2 2013
Shares 14,800 Value ($000) $426 Avg Close — Range —