ORION ENERGY SYSTEMS INC

CUSIP: 686275108 Class: COM

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

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

Q1 2016
Shares 18,557 Value ($000) $26 Avg Close — Range —
Q4 2015
Shares 18,769 Value ($000) $41 Avg Close — Range —
Q3 2015
Shares 22,334 Value ($000) $40 Avg Close — Range —
Q2 2015
Shares 170,444 Value ($000) $428 Avg Close — Range —
Q1 2015
Shares 199,905 Value ($000) $628 Avg Close — Range —
Q4 2014
Shares 149,717 Value ($000) $823 Avg Close — Range —
Q3 2014
Shares 173,436 Value ($000) $928 Avg Close — Range —
Q2 2014
Shares 184,612 Value ($000) $751 Avg Close — Range —
Q1 2014
Shares 221,768 Value ($000) $1,608 Avg Close — Range —
Q4 2013
Shares 123,783 Value ($000) $842 Avg Close — Range —
Q3 2013
Shares 117,119 Value ($000) $440 Avg Close — Range —