ZAFGEN INC

CUSIP: 98885E103 Class: Cmn

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q2 2016
Shares 3,055,603 Value ($000) $18,303 Avg Close — Range —
Q1 2016
Shares 3,055,603 Value ($000) $20,411 Avg Close — Range —
Q4 2015
Shares 843,665 Value ($000) $5,307 Avg Close — Range —
Q3 2015
Shares 553,472 Value ($000) $17,683 Avg Close — Range —
Q2 2015
Shares 1,007,614 Value ($000) $34,894 Avg Close — Range —
Q1 2015
Shares 1,050,178 Value ($000) $41,598 Avg Close — Range —