MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

Ameritas Investment Partners, Inc.'s Holding History (CIK: 0001055980)

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

Q3 2017
Shares 10,539 Value ($000) $14 Avg Close — Range —
Q2 2017
Shares 10,539 Value ($000) $13 Avg Close — Range —
Q1 2017
Shares 10,539 Value ($000) $32 Avg Close — Range —
Q4 2016
Shares 10,539 Value ($000) $43 Avg Close — Range —
Q3 2016
Shares 10,539 Value ($000) $67 Avg Close — Range —