ASPEN TECHNOLOGY INC

CUSIP: 045327103 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q3 2019
Shares 15,145 Value ($000) $1,864 Avg Close — Range —
Q2 2019
Shares 24,420 Value ($000) $3,035 Avg Close — Range —
Q1 2019
Shares 24,420 Value ($000) $2,546 Avg Close — Range —
Q3 2014
Shares 173,300 Value ($000) $7,341 Avg Close — Range —
Q2 2014
Shares 114,825 Value ($000) $5,328 Avg Close — Range —
Q1 2014
Shares 173,300 Value ($000) $7,341 Avg Close — Range —
Q4 2013
Shares 132,784 Value ($000) $5,550 Avg Close — Range —
Q2 2013
Shares 106,945 Value ($000) $3,079 Avg Close — Range —