MACDONALD DETTWILER

CUSIP: 554282103 Class: COM

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

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

Q1 2019
Shares 175 Value ($000) $1 Avg Close — Range —
Q4 2018
Shares 175 Value ($000) $2 Avg Close — Range —