ZOGENIX INC

CUSIP: 98978L105 Class: CMN

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q2 2015
Shares 246,600 Value ($000) $415 Avg Close — Range —
Q1 2015
Shares 154,200 Value ($000) $212 Avg Close — Range —
Q4 2014
Shares 154,200 Value ($000) $212 Avg Close — Range —
Q3 2014
Shares 154,200 Value ($000) $178 Avg Close — Range —
Q2 2014
Shares 154,200 Value ($000) $310 Avg Close — Range —
Q1 2014
Shares 154,200 Value ($000) $439 Avg Close — Range —
Q4 2013
Shares 133,700 Value ($000) $460 Avg Close — Range —
Q3 2013
Shares 133,700 Value ($000) $261 Avg Close — Range —
Q2 2013
Shares 133,700 Value ($000) $229 Avg Close — Range —