ROCKWOOD HLDGS INC

CUSIP: 774415103 Class: COM

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

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

Q2 2014
Shares 3,830 Value ($000) $291 Avg Close — Range —
Q1 2014
Shares 3,849 Value ($000) $286 Avg Close — Range —
Q4 2013
Shares 4,777 Value ($000) $344 Avg Close — Range —
Q3 2013
Shares 9,235 Value ($000) $618 Avg Close — Range —
Q2 2013
Shares 9,287 Value ($000) $595 Avg Close — Range —