IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

OPPENHEIMER ASSET MANAGEMENT INC.'s Holding History (CIK: 0001269119)

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

Q1 2020
Shares 9,190 Value ($000) $31 Avg Close — Range —
Q4 2019
Shares 9,802 Value ($000) $50 Avg Close — Range —
Q3 2019
Shares 10,214 Value ($000) $25 Avg Close — Range —
Q2 2019
Shares 10,980 Value ($000) $24 Avg Close — Range —
Q1 2019
Shares 11,247 Value ($000) $30 Avg Close — Range —
Q4 2018
Shares 11,209 Value ($000) $54 Avg Close — Range —
Q3 2018
Shares 12,055 Value ($000) $114 Avg Close — Range —
Q2 2018
Shares 12,200 Value ($000) $119 Avg Close — Range —
Q1 2018
Shares 12,912 Value ($000) $136 Avg Close — Range —
Q4 2017
Shares 13,059 Value ($000) $100 Avg Close — Range —
Q3 2017
Shares 13,059 Value ($000) $100 Avg Close — Range —
Q2 2017
Shares 12,514 Value ($000) $89 Avg Close — Range —
Q1 2017
Shares 12,438 Value ($000) $48 Avg Close — Range —