MAST THERAPEUTICS INC

CUSIP: 576314108 Class: COM

GUGGENHEIM CAPITAL LLC's Holding History (CIK: 0001283072)

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

Q1 2017
Shares 46,631 Value ($000) $6 Avg Close — Range —
Q4 2016
Shares 46,353 Value ($000) $4 Avg Close — Range —
Q3 2016
Shares 46,353 Value ($000) $5 Avg Close — Range —
Q2 2016
Shares 46,800 Value ($000) $22 Avg Close — Range —
Q3 2015
Shares 31,807 Value ($000) $18 Avg Close — Range —
Q2 2015
Shares 27,835 Value ($000) $14 Avg Close — Range —
Q1 2015
Shares 27,835 Value ($000) $13 Avg Close — Range —
Q4 2014
Shares 21,059 Value ($000) $12 Avg Close — Range —
Q3 2014
Shares 13,388 Value ($000) $7 Avg Close — Range —
Q2 2014
Shares 44,580 Value ($000) $28 Avg Close — Range —
Q1 2014
Shares 49,036 Value ($000) $33 Avg Close — Range —
Q4 2013
Shares 37,890 Value ($000) $18 Avg Close — Range —
Q3 2013
Shares 35,639 Value ($000) $16 Avg Close — Range —
Q2 2013
Shares 35,639 Value ($000) $15 Avg Close — Range —