MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2019
Shares 79,618 Value ($000) $7,285 Avg Close — Range —
Q2 2019
Shares 106,737 Value ($000) $9,661 Avg Close — Range —
Q4 2017
Shares 26,636 Value ($000) $1,688 Avg Close — Range —
Q1 2017
Shares 887 Value ($000) $51 Avg Close — Range —
Q4 2016
Shares 116 Value ($000) $6 Avg Close — Range —
Q2 2016
Shares 1,105 Value ($000) $52 Avg Close — Range —
Q2 2014
Shares 3,103 Value ($000) $133 Avg Close — Range —
Q1 2014
Shares 7,054 Value ($000) $383 Avg Close — Range —
Q4 2013
Shares 3,459 Value ($000) $209 Avg Close — Range —
Q3 2013
Shares 2,329 Value ($000) $230 Avg Close — Range —