ZOGENIX INC

CUSIP: 98978L204 Class: COM NEW

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q3 2021
Shares 43,754 Value ($000) $665 Avg Close — Range —
Q2 2021
Shares 19,397 Value ($000) $335 Avg Close — Range —
Q4 2020
Shares 18,137 Value ($000) $363 Avg Close — Range —
Q3 2019
Shares 2,348 Value ($000) $94 Avg Close — Range —
Q1 2019
Shares 9,170 Value ($000) $504 Avg Close — Range —
Q3 2018
Shares 85 Value ($000) $4 Avg Close — Range —
Q2 2018
Shares 27,072 Value ($000) $1,197 Avg Close — Range —
Q1 2018
Shares 85 Value ($000) $3 Avg Close — Range —
Q4 2017
Shares 5,208 Value ($000) $209 Avg Close — Range —