IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

PALISADE CAPITAL MANAGEMENT, LP's Holding History (CIK: 0001009006)

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

Q4 2017
Shares 12,500 Value ($000) $80 Avg Close — Range —
Q3 2017
Shares 12,300 Value ($000) $94 Avg Close — Range —
Q4 2016
Shares 12,600 Value ($000) $26 Avg Close — Range —