ZYMEWORKS INC

CUSIP: 98985W102 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2022
Shares 42,552 Value ($000) $262 Avg Close — Range —
Q2 2022
Shares 42,952 Value ($000) $228 Avg Close — Range —
Q1 2022
Shares 80,722 Value ($000) $529 Avg Close — Range —
Q4 2021
Shares 6,122 Value ($000) $100 Avg Close — Range —
Q2 2021
Shares 6,245 Value ($000) $217 Avg Close — Range —
Q1 2021
Shares 12,970 Value ($000) $410 Avg Close — Range —
Q4 2020
Shares 9,603 Value ($000) $454 Avg Close — Range —
Q1 2020
Shares 3,446 Value ($000) $122 Avg Close — Range —
Q3 2019
Shares 4,189 Value ($000) $104 Avg Close — Range —
Q2 2019
Shares 401 Value ($000) $9 Avg Close — Range —