MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

Joel Isaacson & Co., LLC's Holding History (CIK: 0001599330)

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

Q3 2019
Shares 5,000 Value ($000) $458 Avg Close — Range —
Q2 2019
Shares 5,000 Value ($000) $453 Avg Close — Range —
Q1 2019
Shares 5,000 Value ($000) $366 Avg Close — Range —
Q4 2018
Shares 5,000 Value ($000) $336 Avg Close — Range —
Q3 2018
Shares 5,000 Value ($000) $367 Avg Close — Range —
Q2 2018
Shares 5,000 Value ($000) $403 Avg Close — Range —
Q1 2018
Shares 5,000 Value ($000) $314 Avg Close — Range —