MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

Pinnacle Wealth Management Advisory Group, LLC's Holding History (CIK: 0001631864)

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

Q1 2015
Shares 27,250 Value ($000) $324 Avg Close — Range —
Q4 2014
Shares 27,250 Value ($000) $308 Avg Close — Range —