MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

BOKF, NA's Holding History (CIK: 0000009634)

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

Q4 2015
Shares 23,948 Value ($000) $1,181 Avg Close — Range —
Q3 2015
Shares 25,021 Value ($000) $1,054 Avg Close — Range —
Q2 2015
Shares 25,217 Value ($000) $1,370 Avg Close — Range —
Q1 2015
Shares 28,523 Value ($000) $1,399 Avg Close — Range —
Q4 2014
Shares 27,828 Value ($000) $1,329 Avg Close — Range —
Q3 2014
Shares 29,671 Value ($000) $1,314 Avg Close — Range —
Q2 2014
Shares 48,271 Value ($000) $2,067 Avg Close — Range —
Q1 2014
Shares 29,720 Value ($000) $1,615 Avg Close — Range —
Q4 2013
Shares 24,290 Value ($000) $1,469 Avg Close — Range —
Q3 2013
Shares 2,940 Value ($000) $291 Avg Close — Range —
Q2 2013
Shares 2,948 Value ($000) $228 Avg Close — Range —