ZOGENIX INC

CUSIP: 98978L204 Class: COM NEW

GW&K Investment Management, LLC's Holding History (CIK: 0001082917)

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

Q4 2021
Shares 376,609 Value ($000) $6,120 Avg Close — Range —
Q3 2021
Shares 392,444 Value ($000) $5,961 Avg Close — Range —
Q2 2021
Shares 397,645 Value ($000) $6,871 Avg Close — Range —
Q1 2021
Shares 407,410 Value ($000) $7,953 Avg Close — Range —
Q4 2020
Shares 387,509 Value ($000) $7,746 Avg Close — Range —
Q3 2020
Shares 181,159 Value ($000) $3,248 Avg Close — Range —
Q2 2020
Shares 184,169 Value ($000) $4,974 Avg Close — Range —
Q1 2020
Shares 188,607 Value ($000) $4,664 Avg Close — Range —
Q4 2019
Shares 135,137 Value ($000) $7,045 Avg Close — Range —
Q3 2019
Shares 146,139 Value ($000) $5,851 Avg Close — Range —
Q2 2019
Shares 99,702 Value ($000) $4,764 Avg Close — Range —
Q1 2019
Shares 100,769 Value ($000) $5,543 Avg Close — Range —
Q4 2018
Shares 116,989 Value ($000) $4,265 Avg Close — Range —
Q3 2018
Shares 123,177 Value ($000) $6,110 Avg Close — Range —
Q2 2018
Shares 125,697 Value ($000) $5,556 Avg Close — Range —
Q1 2018
Shares 125,908 Value ($000) $5,043 Avg Close — Range —