MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

MORGENS WATERFALL VINTIADIS & CO INC's Holding History (CIK: 0001016150)

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

Q4 2018
Shares 15,400 Value ($000) $1,038 Avg Close — Range —
Q3 2018
Shares 15,400 Value ($000) $1,129 Avg Close — Range —
Q2 2018
Shares 15,400 Value ($000) $1,241 Avg Close — Range —
Q1 2018
Shares 15,400 Value ($000) $967 Avg Close — Range —
Q4 2017
Shares 15,400 Value ($000) $976 Avg Close — Range —
Q3 2017
Shares 15,400 Value ($000) $1,202 Avg Close — Range —
Q2 2017
Shares 15,400 Value ($000) $1,204 Avg Close — Range —
Q1 2017
Shares 22,500 Value ($000) $1,298 Avg Close — Range —