IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

FIRST INTERSTATE BANK's Holding History (CIK: 0001125727)

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

Q4 2019
Shares 450 Value ($000) $2 Avg Close — Range —
Q3 2019
Shares 450 Value ($000) $1 Avg Close — Range —
Q2 2019
Shares 450 Value ($000) $1 Avg Close — Range —
Q1 2019
Shares 450 Value ($000) $1 Avg Close — Range —