IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q1 2019
Shares 59,531 Value ($000) $161 Avg Close — Range —
Q4 2015
Shares 57,500 Value ($000) $780 Avg Close — Range —
Q3 2015
Shares 47,900 Value ($000) $460 Avg Close — Range —