ZOGENIX INC

CUSIP: 98978L105 Class: CMN

SUSQUEHANNA INTERNATIONAL GROUP, LLP's Holding History (CIK: 0001446194)

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

Q2 2015
Shares 456,966 Value ($000) $767 Avg Close — Range —
Q1 2015
Shares 623,447 Value ($000) $855 Avg Close — Range —
Q4 2014
Shares 180,187 Value ($000) $247 Avg Close — Range —
Q3 2014
Shares 32,018 Value ($000) $37 Avg Close — Range —
Q2 2014
Shares 59,734 Value ($000) $120 Avg Close — Range —
Q1 2014
Shares 50,187 Value ($000) $143 Avg Close — Range —
Q4 2013
Shares 53,508 Value ($000) $184 Avg Close — Range —