IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q3 2023
Shares 150,000 Value ($000) $2,381 Avg Close — Range —
Q2 2023
Shares 150,000 Value ($000) $2,831 Avg Close — Range —
Q4 2021
Shares 336,436 Value ($000) $2,496 Avg Close — Range —
Q3 2018
Shares 100,000 Value ($000) $947 Avg Close — Range —