IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

DRW Securities, LLC's Holding History (CIK: 0001481986)

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

Q1 2018
Shares 19,000 Value ($000) $200 Avg Close — Range —
Q4 2017
Shares 24,000 Value ($000) $154 Avg Close — Range —