ZOGENIX INC

CUSIP: 98978L204 Class: COM NEW

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2021
Shares 153,860 Value ($000) $2,500 Avg Close — Range —
Q3 2021
Shares 33,767 Value ($000) $623 Avg Close — Range —
Q2 2021
Shares 40,327 Value ($000) $696 Avg Close — Range —
Q1 2021
Shares 23,618 Value ($000) $461 Avg Close — Range —
Q4 2020
Shares 9,993 Value ($000) $0 Avg Close — Range —
Q3 2020
Shares 5,827 Value ($000) $0 Avg Close — Range —
Q2 2020
Shares 9,588 Value ($000) $258 Avg Close — Range —
Q1 2020
Shares 550 Value ($000) $13 Avg Close — Range —
Q4 2019
Shares 17,179 Value ($000) $895 Avg Close — Range —
Q3 2019
Shares 42,457 Value ($000) $1,699 Avg Close — Range —
Q1 2019
Shares 9,757 Value ($000) $536 Avg Close — Range —
Q4 2018
Shares 9,464 Value ($000) $345 Avg Close — Range —
Q3 2018
Shares 17,068 Value ($000) $846 Avg Close — Range —
Q1 2018
Shares 17,181 Value ($000) $688 Avg Close — Range —
Q3 2017
Shares 30,352 Value ($000) $1,063 Avg Close — Range —
Q1 2016
Shares 4,569 Value ($000) $42 Avg Close — Range —
Q4 2015
Shares 3,528 Value ($000) $52 Avg Close — Range —
Q3 2015
Shares 4,350 Value ($000) $58 Avg Close — Range —