MAST THERAPEUTICS INC

CUSIP: 576314108 Class: COM

UBS Group AG's Holding History (CIK: 0001610520)

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

Q1 2017
Shares 130,236 Value ($000) $16 Avg Close — Range —
Q4 2016
Shares 400 Value ($000) $0 Avg Close — Range —
Q3 2016
Shares 400 Value ($000) $0 Avg Close — Range —
Q2 2016
Shares 400 Value ($000) $0 Avg Close — Range —
Q3 2015
Shares 4,094 Value ($000) $2 Avg Close — Range —
Q2 2015
Shares 31,625 Value ($000) $16 Avg Close — Range —
Q1 2015
Shares 24,960 Value ($000) $12 Avg Close — Range —
Q4 2014
Shares 6,793 Value ($000) $3 Avg Close — Range —