IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

VIRGINIA RETIREMENT SYSTEMS ET AL's Holding History (CIK: 0001005354)

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

Q2 2023
Shares 13,500 Value ($000) $255 Avg Close — Range —
Q3 2022
Shares 16,100 Value ($000) $77 Avg Close — Range —
Q4 2021
Shares 10,200 Value ($000) $76 Avg Close — Range —
Q1 2018
Shares 27,400 Value ($000) $288 Avg Close — Range —
Q4 2017
Shares 48,000 Value ($000) $308 Avg Close — Range —
Q3 2017
Shares 17,800 Value ($000) $136 Avg Close — Range —