MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328209 Class: Common Stock

J. Goldman & Co LP's Holding History (CIK: 0001412741)

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

Q4 2018
Shares 152,095 Value ($000) $587 Avg Close — Range —
Q3 2018
Shares 100,000 Value ($000) $533 Avg Close — Range —
Q2 2018
Shares 100,000 Value ($000) $491 Avg Close — Range —