IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Essex Savings Bank's Holding History (CIK: 0001752212)

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

Q2 2019
Shares 2,045 Value ($000) $4 Avg Close — Range —
Q1 2019
Shares 1,125 Value ($000) $3 Avg Close — Range —
Q4 2018
Shares 1,078 Value ($000) $5 Avg Close — Range —