MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

Canton Hathaway, LLC's Holding History (CIK: 0001755785)

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

Q2 2019
Shares 1,500 Value ($000) $136 Avg Close — Range —
Q1 2019
Shares 1,500 Value ($000) $109 Avg Close — Range —