ROCKWELL MED INC

CUSIP: 774374102 Class: COM

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

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

Q2 2015
Shares 158,619 Value ($000) $2,557 Avg Close — Range —
Q1 2015
Shares 113,313 Value ($000) $1,239 Avg Close — Range —
Q4 2014
Shares 25,572 Value ($000) $263 Avg Close — Range —
Q3 2014
Shares 29,312 Value ($000) $268 Avg Close — Range —
Q2 2014
Shares 570,496 Value ($000) $6,840 Avg Close — Range —
Q1 2014
Shares 579,402 Value ($000) $7,335 Avg Close — Range —
Q4 2013
Shares 507,481 Value ($000) $5,298 Avg Close — Range —
Q3 2013
Shares 134,750 Value ($000) $1,536 Avg Close — Range —