ZOGENIX INC

CUSIP: 98978L204 Class: COM NEW

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2021
Shares 909,034 Value ($000) $14,772 Avg Close — Range —
Q3 2021
Shares 2,051,906 Value ($000) $31,168 Avg Close — Range —
Q2 2021
Shares 2,326,808 Value ($000) $40,208 Avg Close — Range —
Q1 2021
Shares 2,312,630 Value ($000) $45,143 Avg Close — Range —
Q4 2020
Shares 2,742,524 Value ($000) $54,823 Avg Close — Range —
Q3 2020
Shares 1,792,780 Value ($000) $32,145 Avg Close — Range —
Q2 2020
Shares 314,889 Value ($000) $8,505 Avg Close — Range —
Q1 2020
Shares 28,242 Value ($000) $698 Avg Close — Range —
Q3 2019
Shares 1,030 Value ($000) $41 Avg Close — Range —
Q1 2019
Shares 564,721 Value ($000) $31,065 Avg Close — Range —
Q4 2018
Shares 134,023 Value ($000) $4,887 Avg Close — Range —
Q3 2018
Shares 120,667 Value ($000) $5,985 Avg Close — Range —