IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q4 2023
Shares 157,856 Value ($000) $4,680 Avg Close — Range —
Q3 2023
Shares 101,315 Value ($000) $1,608 Avg Close — Range —
Q2 2023
Shares 76,382 Value ($000) $1,441 Avg Close — Range —
Q2 2019
Shares 3,175 Value ($000) $7 Avg Close — Range —
Q1 2018
Shares 2,200 Value ($000) $23 Avg Close — Range —
Q3 2017
Shares 4,500 Value ($000) $34 Avg Close — Range —
Q3 2016
Shares 12,700 Value ($000) $34 Avg Close — Range —
Q2 2016
Shares 5,650 Value ($000) $17 Avg Close — Range —
Q1 2016
Shares 9,800 Value ($000) $83 Avg Close — Range —
Q4 2015
Shares 5,300 Value ($000) $72 Avg Close — Range —
Q3 2015
Shares 5,300 Value ($000) $51 Avg Close — Range —
Q2 2015
Shares 5,900 Value ($000) $85 Avg Close — Range —
Q1 2015
Shares 6,500 Value ($000) $58 Avg Close — Range —
Q4 2014
Shares 14,500 Value ($000) $88 Avg Close — Range —
Q1 2014
Shares 38,823 Value ($000) $580 Avg Close — Range —
Q4 2013
Shares 13,148 Value ($000) $193 Avg Close — Range —
Q3 2013
Shares 13,148 Value ($000) $224 Avg Close — Range —
Q2 2013
Shares 33,000 Value ($000) $547 Avg Close — Range —