IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

THOMPSON SIEGEL & WALMSLEY LLC's Holding History (CIK: 0001008322)

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

Q2 2023
Shares 42,000 Value ($000) $1 Avg Close — Range —
Q4 2016
Shares 70 Value ($000) $0 Avg Close — Range —