IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

SPHERA FUNDS MANAGEMENT LTD.'s Holding History (CIK: 0001496201)

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

Q4 2017
Shares 500,000 Value ($000) $3,205 Avg Close — Range —
Q1 2014
Shares 34,500 Value ($000) $515 Avg Close — Range —