MAST THERAPEUTICS INC

CUSIP: 576314108 Class: COM

WELLS FARGO & COMPANY/MN's Holding History (CIK: 0000072971)

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

Q4 2016
Shares 325 Value ($000) $0 Avg Close — Range —
Q4 2014
Shares 5,000 Value ($000) $3 Avg Close — Range —
Q3 2014
Shares 5,000 Value ($000) $3 Avg Close — Range —
Q2 2014
Shares 5,000 Value ($000) $3 Avg Close — Range —
Q1 2014
Shares 5,000 Value ($000) $3 Avg Close — Range —
Q4 2013
Shares 5,000 Value ($000) $2 Avg Close — Range —
Q3 2013
Shares 5,000 Value ($000) $2 Avg Close — Range —
Q2 2013
Shares 5,000 Value ($000) $2 Avg Close — Range —