MEDIDATA SOLUTIONS INC

CUSIP: 58471AAB1 Class: CONV

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q2 2018
Shares 1,040,000 Value ($000) $1,447 Avg Close — Range —
Q1 2018
Shares 1,040,000 Value ($000) $1,168 Avg Close — Range —
Q4 2017
Shares 1,040,000 Value ($000) $1,201 Avg Close — Range —
Q3 2017
Shares 1,040,000 Value ($000) $1,432 Avg Close — Range —
Q2 2017
Shares 1,170,000 Value ($000) $1,634 Avg Close — Range —
Q1 2017
Shares 1,420,000 Value ($000) $1,620 Avg Close — Range —
Q4 2016
Shares 1,420,000 Value ($000) $1,538 Avg Close — Range —
Q3 2016
Shares 1,420,000 Value ($000) $1,659 Avg Close — Range —
Q2 2016
Shares 1,420,000 Value ($000) $1,538 Avg Close — Range —
Q1 2016
Shares 1,420,000 Value ($000) $1,440 Avg Close — Range —
Q4 2015
Shares 1,420,000 Value ($000) $1,549 Avg Close — Range —
Q3 2015
Shares 1,595,000 Value ($000) $1,681 Avg Close — Range —
Q2 2015
Shares 1,625,000 Value ($000) $1,919 Avg Close — Range —
Q1 2015
Shares 795,000 Value ($000) $897 Avg Close — Range —
Q4 2014
Shares 820,000 Value ($000) $899 Avg Close — Range —
Q3 2014
Shares 615,000 Value ($000) $662 Avg Close — Range —