MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

WATER ISLAND CAPITAL LLC's Holding History (CIK: 0001222765)

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

Q3 2019
Shares 900,726 Value ($000) $82,416 Avg Close — Range —
Q2 2019
Shares 255,504 Value ($000) $23,126 Avg Close — Range —