IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q2 2019
Shares 220,900 Value ($000) $479 Avg Close — Range —
Q1 2019
Shares 34,510 Value ($000) $93 Avg Close — Range —
Q2 2016
Shares 168,200 Value ($000) $518 Avg Close — Range —
Q4 2014
Shares 116,500 Value ($000) $710 Avg Close — Range —