IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY's Holding History (CIK: 0000714142)

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

Q3 2023
Shares 66,878 Value ($000) $1 Avg Close — Range —
Q2 2023
Shares 66,878 Value ($000) $1 Avg Close — Range —
Q1 2023
Shares 201,953 Value ($000) $1 Avg Close — Range —
Q4 2022
Shares 173,255 Value ($000) $1 Avg Close — Range —
Q3 2022
Shares 157,685 Value ($000) $754 Avg Close — Range —
Q1 2022
Shares 123,780 Value ($000) $589 Avg Close — Range —
Q4 2021
Shares 123,780 Value ($000) $918 Avg Close — Range —
Q3 2021
Shares 123,780 Value ($000) $702 Avg Close — Range —
Q3 2014
Shares 35,650 Value ($000) $378 Avg Close — Range —
Q2 2014
Shares 35,650 Value ($000) $422 Avg Close — Range —
Q1 2014
Shares 35,650 Value ($000) $532 Avg Close — Range —
Q4 2013
Shares 38,090 Value ($000) $559 Avg Close — Range —
Q3 2013
Shares 34,620 Value ($000) $589 Avg Close — Range —
Q2 2013
Shares 37,740 Value ($000) $626 Avg Close — Range —