MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328209 Class: Common Stock

MASSMUTUAL TRUST CO FSB/ADV's Holding History (CIK: 0001103653)

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

Q4 2025
Shares 24,500 Value ($000) $0 Avg Close — Range —
Q3 2025
Shares 24,500 Value ($000) $0 Avg Close — Range —
Q2 2025
Shares 24,500 Value ($000) $0 Avg Close — Range —
Q1 2025
Shares 24,500 Value ($000) $0 Avg Close — Range —
Q4 2024
Shares 24,500 Value ($000) $371 Avg Close — Range —