MAST THERAPEUTICS INC

CUSIP: 576314108 Class: COM

HighTower Advisors, LLC's Holding History (CIK: 0001462245)

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

Q4 2016
Shares 333,198 Value ($000) $29 Avg Close — Range —
Q3 2016
Shares 336,098 Value ($000) $37 Avg Close — Range —
Q2 2016
Shares 336,098 Value ($000) $157 Avg Close — Range —
Q1 2016
Shares 338,098 Value ($000) $92 Avg Close — Range —
Q4 2015
Shares 343,098 Value ($000) $145 Avg Close — Range —
Q3 2015
Shares 48,500 Value ($000) $28 Avg Close — Range —
Q2 2015
Shares 53,500 Value ($000) $26 Avg Close — Range —
Q1 2015
Shares 75,500 Value ($000) $37 Avg Close — Range —
Q4 2014
Shares 91,500 Value ($000) $51 Avg Close — Range —
Q3 2014
Shares 111,209 Value ($000) $62 Avg Close — Range —
Q2 2014
Shares 113,954 Value ($000) $72 Avg Close — Range —
Q1 2014
Shares 110,892 Value ($000) $76 Avg Close — Range —
Q4 2013
Shares 106,647 Value ($000) $50 Avg Close — Range —
Q3 2013
Shares 77,147 Value ($000) $34 Avg Close — Range —