IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Summit Trail Advisors, LLC's Holding History (CIK: 0001698478)

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

Q2 2018
Shares 12,635 Value ($000) $123 Avg Close — Range —
Q1 2018
Shares 36,824 Value ($000) $240 Avg Close — Range —
Q4 2017
Shares 32,569 Value ($000) $256 Avg Close — Range —