IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO's Holding History (CIK: 0001007280)

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

Q4 2023
Shares 33,000 Value ($000) $978 Avg Close — Range —
Q2 2020
Shares 14,369 Value ($000) $66 Avg Close — Range —
Q1 2020
Shares 14,369 Value ($000) $49 Avg Close — Range —
Q4 2019
Shares 11,300 Value ($000) $58 Avg Close — Range —
Q3 2019
Shares 11,300 Value ($000) $27 Avg Close — Range —