MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

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

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

Q2 2018
Shares 9,476 Value ($000) $763 Avg Close — Range —
Q1 2018
Shares 9,499 Value ($000) $597 Avg Close — Range —
Q4 2017
Shares 11,085 Value ($000) $702 Avg Close — Range —
Q3 2017
Shares 10,199 Value ($000) $796 Avg Close — Range —
Q2 2017
Shares 10,199 Value ($000) $798 Avg Close — Range —