WESTPORT FUEL SYSTEMS INC

CUSIP: 960908309 Class: COM NEW

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

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

Q2 2018
Shares 76,814 Value ($000) $194 Avg Close — Range —
Q1 2018
Shares 64,880 Value ($000) $142 Avg Close — Range —
Q4 2017
Shares 84,341 Value ($000) $317 Avg Close — Range —
Q3 2017
Shares 23,725 Value ($000) $78 Avg Close — Range —
Q3 2013
Shares 13,366 Value ($000) $323 Avg Close — Range —
Q2 2013
Shares 144,365 Value ($000) $4,841 Avg Close — Range —