ASPEN TECHNOLOGY INC

CUSIP: 045327103 Class: COM

EVENTIDE ASSET MANAGEMENT, LLC's Holding History (CIK: 0001442891)

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

Q2 2015
Shares 83,000 Value ($000) $3,781 Avg Close — Range —
Q1 2015
Shares 83,000 Value ($000) $3,195 Avg Close — Range —
Q4 2014
Shares 128,500 Value ($000) $4,500 Avg Close — Range —
Q3 2014
Shares 128,500 Value ($000) $4,847 Avg Close — Range —
Q2 2014
Shares 128,500 Value ($000) $5,962 Avg Close — Range —
Q1 2014
Shares 128,500 Value ($000) $5,443 Avg Close — Range —