IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

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

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

Q1 2021
Shares 69 Value ($000) $1 Avg Close — Range —
Q4 2016
Shares 200 Value ($000) $408 Avg Close — Range —
Q2 2016
Shares 200 Value ($000) $616 Avg Close — Range —
Q1 2016
Shares 200 Value ($000) $1,704 Avg Close — Range —
Q4 2015
Shares 200 Value ($000) $2,714 Avg Close — Range —
Q1 2015
Shares 200 Value ($000) $1,790 Avg Close — Range —