ZAFGEN INC

CUSIP: 98885E103 Class: Cmn

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q2 2015
Shares 80,200 Value ($000) $2,777,000 Avg Close — Range —
Q1 2015
Shares 40,000 Value ($000) $1,584,000 Avg Close — Range —