ZOGENIX INC

CUSIP: 98978L105 Class: CMN

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q2 2015
Shares 1,257,560 Value ($000) $2,112 Avg Close — Range —
Q1 2015
Shares 1,304,013 Value ($000) $1,786 Avg Close — Range —
Q4 2014
Shares 1,297,989 Value ($000) $1,778 Avg Close — Range —
Q3 2014
Shares 1,313,278 Value ($000) $1,511 Avg Close — Range —
Q2 2014
Shares 1,181,376 Value ($000) $2,375 Avg Close — Range —
Q1 2014
Shares 1,260,900 Value ($000) $3,587 Avg Close — Range —
Q4 2013
Shares 1,277,234 Value ($000) $4,393 Avg Close — Range —
Q3 2013
Shares 946,502 Value ($000) $1,752 Avg Close — Range —
Q2 2013
Shares 808,448 Value ($000) $1,383 Avg Close — Range —