ZOGENIX INC

CUSIP: 98978L105 Class: CMN

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q1 2015
Shares 35,133 Value ($000) $48 Avg Close — Range —
Q4 2014
Shares 35,542 Value ($000) $49 Avg Close — Range —
Q3 2014
Shares 33,767 Value ($000) $39 Avg Close — Range —
Q2 2014
Shares 33,767 Value ($000) $68 Avg Close — Range —
Q1 2014
Shares 49,934 Value ($000) $142 Avg Close — Range —
Q4 2013
Shares 36,339 Value ($000) $125 Avg Close — Range —