ZOGENIX INC

CUSIP: 98978L105 Class: CMN

SABBY MANAGEMENT, LLC's Holding History (CIK: 0001535610)

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

Q2 2015
Shares 5,963,095 Value ($000) $10,018 Avg Close — Range —
Q1 2015
Shares 8,418,811 Value ($000) $11,534 Avg Close — Range —
Q4 2013
Shares 256,500 Value ($000) $882 Avg Close — Range —