IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

BESSEMER GROUP INC's Holding History (CIK: 0001054074)

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

Q1 2017
Shares 16,678 Value ($000) $65 Avg Close — Range —
Q2 2016
Shares 2,130 Value ($000) $7 Avg Close — Range —
Q1 2016
Shares 2,450 Value ($000) $21 Avg Close — Range —
Q4 2015
Shares 347 Value ($000) $5 Avg Close — Range —
Q2 2014
Shares 290 Value ($000) $3 Avg Close — Range —
Q1 2014
Shares 1,043 Value ($000) $16 Avg Close — Range —
Q3 2013
Shares 100 Value ($000) $2 Avg Close — Range —