IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

CSS LLC/IL's Holding History (CIK: 0001103646)

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

Q4 2023
Shares 7,900 Value ($000) $234 Avg Close — Range —
Q2 2016
Shares 18,500 Value ($000) $57 Avg Close — Range —