IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Patten Group, Inc.'s Holding History (CIK: 0001633207)

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

Q4 2018
Shares 31 Value ($000) $0 Avg Close — Range —
Q3 2016
Shares 1,000 Value ($000) $2,410 Avg Close — Range —