IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

NATIONAL BANK OF CANADA /FI/'s Holding History (CIK: 0000926171)

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

Q2 2023
Shares 2,000 Value ($000) $38 Avg Close — Range —
Q1 2023
Shares 2,000 Value ($000) $8 Avg Close — Range —
Q4 2022
Shares 2,000 Value ($000) $10 Avg Close — Range —
Q3 2022
Shares 2,000 Value ($000) $10 Avg Close — Range —
Q2 2022
Shares 2,000 Value ($000) $9 Avg Close — Range —
Q1 2022
Shares 2,000 Value ($000) $10 Avg Close — Range —
Q4 2021
Shares 2,000 Value ($000) $15 Avg Close — Range —