IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Altium Capital Management LP's Holding History (CIK: 0001746382)

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

Q3 2023
Shares 725,000 Value ($000) $11,506 Avg Close — Range —
Q2 2023
Shares 485,000 Value ($000) $9,152 Avg Close — Range —
Q2 2022
Shares 280,000 Value ($000) $1,260 Avg Close — Range —
Q1 2022
Shares 920,000 Value ($000) $4,379 Avg Close — Range —