MAST THERAPEUTICS INC

CUSIP: 576314108 Class: COM

PERKINS CAPITAL MANAGEMENT INC's Holding History (CIK: 0000884300)

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

Q4 2016
Shares 213,500 Value ($000) $19 Avg Close — Range —
Q3 2016
Shares 559,750 Value ($000) $62 Avg Close — Range —
Q2 2016
Shares 559,750 Value ($000) $263 Avg Close — Range —
Q1 2016
Shares 563,500 Value ($000) $154 Avg Close — Range —
Q4 2015
Shares 567,250 Value ($000) $238 Avg Close — Range —
Q3 2015
Shares 615,750 Value ($000) $357 Avg Close — Range —
Q2 2015
Shares 623,250 Value ($000) $305 Avg Close — Range —
Q1 2015
Shares 643,000 Value ($000) $312 Avg Close — Range —
Q4 2014
Shares 1,150,000 Value ($000) $644 Avg Close — Range —
Q3 2013
Shares 110,000 Value ($000) $48 Avg Close — Range —
Q2 2013
Shares 140,000 Value ($000) $60 Avg Close — Range —