MATTERSIGHT CORP

CUSIP: 577097108 Class: COM

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

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

Q1 2016
Shares 91,634 Value ($000) $367 Avg Close — Range —
Q4 2015
Shares 107,191 Value ($000) $703 Avg Close — Range —
Q3 2015
Shares 114,115 Value ($000) $880 Avg Close — Range —
Q4 2013
Shares 10,970 Value ($000) $53 Avg Close — Range —