ASPEN TECHNOLOGY INC

CUSIP: 045327103 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q1 2021
Shares 75 Value ($000) $11 Avg Close — Range —
Q4 2020
Shares 75 Value ($000) $10 Avg Close — Range —
Q3 2020
Shares 75 Value ($000) $9 Avg Close — Range —
Q2 2016
Shares 12,300 Value ($000) $495 Avg Close — Range —
Q1 2016
Shares 5,604 Value ($000) $202 Avg Close — Range —