MEDASSETS INC

CUSIP: 584045108 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q2 2015
Shares 1,595 Value ($000) $35 Avg Close — Range —
Q1 2015
Shares 2,752 Value ($000) $52 Avg Close — Range —
Q3 2014
Shares 1,091 Value ($000) $23 Avg Close — Range —
Q3 2013
Shares 800 Value ($000) $20 Avg Close — Range —
Q2 2013
Shares 200 Value ($000) $4 Avg Close — Range —