IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Prospera Financial Services Inc's Holding History (CIK: 0001541625)

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

Q2 2022
Shares 521 Value ($000) $2 Avg Close — Range —
Q1 2022
Shares 541 Value ($000) $3 Avg Close — Range —
Q3 2020
Shares 122 Value ($000) $0 Avg Close — Range —