MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

K2 PRINCIPAL FUND, L.P.'s Holding History (CIK: 0001461790)

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

Q3 2019
Shares 20,927 Value ($000) $1,915 Avg Close — Range —
Q2 2019
Shares 4,500 Value ($000) $407 Avg Close — Range —