MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

Oppenheimer & Close, LLC's Holding History (CIK: 0001591377)

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

Q3 2017
Shares 3,530 Value ($000) $275 Avg Close — Range —
Q2 2017
Shares 3,530 Value ($000) $276 Avg Close — Range —
Q1 2017
Shares 3,650 Value ($000) $210 Avg Close — Range —
Q2 2015
Shares 3,760 Value ($000) $204 Avg Close — Range —
Q1 2014
Shares 3,860 Value ($000) $210 Avg Close — Range —
Q4 2013
Shares 3,940 Value ($000) $238 Avg Close — Range —
Q3 2013
Shares 3,000 Value ($000) $297 Avg Close — Range —
Q3 2012
Shares 3,000 Value ($000) $297 Avg Close — Range —