ASPEN TECHNOLOGY INC

CUSIP: 045327103 Class: COM

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q3 2017
Shares 16,841 Value ($000) $1,058 Avg Close — Range —
Q2 2017
Shares 7,600 Value ($000) $420 Avg Close — Range —
Q4 2015
Shares 9,800 Value ($000) $370 Avg Close — Range —
Q1 2015
Shares 18,312 Value ($000) $705 Avg Close — Range —
Q4 2014
Shares 92,783 Value ($000) $3,249 Avg Close — Range —
Q3 2014
Shares 105,000 Value ($000) $3,961 Avg Close — Range —
Q2 2014
Shares 100,651 Value ($000) $4,670 Avg Close — Range —
Q1 2014
Shares 26,200 Value ($000) $1,110 Avg Close — Range —
Q4 2013
Shares 28,252 Value ($000) $1,181 Avg Close — Range —
Q3 2013
Shares 34,700 Value ($000) $1,199 Avg Close — Range —
Q2 2013
Shares 50,800 Value ($000) $1,463 Avg Close — Range —