IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Washington Trust Bank's Holding History (CIK: 0000861787)

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

Q2 2016
Shares 158 Value ($000) $0 Avg Close — Range —
Q1 2016
Shares 158 Value ($000) $1 Avg Close — Range —