IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

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

Q1 2022
Shares 17,413 Value ($000) $83 Avg Close — Range —
Q4 2021
Shares 20,214 Value ($000) $141 Avg Close — Range —
Q1 2021
Shares 22,916 Value ($000) $186 Avg Close — Range —
Q4 2019
Shares 82 Value ($000) $0 Avg Close — Range —