IMMUNOGEN INC

CUSIP: 45253H101 Class: Common Stock

Caprock Group, LLC's Holding History (CIK: 0001610769)

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

Q2 2018
Shares 10,985 Value ($000) $107 Avg Close — Range —
Q1 2018
Shares 11,360 Value ($000) $120 Avg Close — Range —