ZYMEWORKS INC

Ticker: ZYME CUSIP: 98985Y108 Class: Common Stock

Bank of New York Mellon Corp's Holding History (CIK: 0001390777)

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

Q4 2025

Shares 128,131 Value ($000) $3,374 Avg Close $21.81 Range $16.00 - $28.49

Q3 2025

Shares 137,552 Value ($000) $2,349 Avg Close $14.31 Range $11.51 - $17.60

Q2 2025

Shares 133,090 Value ($000) $1,670 Avg Close $11.91 Range $9.03 - $13.44

Q1 2025

Shares 120,727 Value ($000) $1,438 Avg Close $13.64 Range $10.96 - $17.07

Q4 2024

Shares 120,683 Value ($000) $1,767 Avg Close $13.98 Range $11.99 - $17.70

Q3 2024

Shares 249,991 Value ($000) $3,137 Avg Close $10.89 Range $8.32 - $13.27

Q2 2024

Shares 309,703 Value ($000) $2,636 Avg Close $8.90 Range $7.97 - $10.56

Q1 2024

Shares 294,878 Value ($000) $3,102 Avg Close $11.10 Range $9.64 - $13.14

Q4 2023

Shares 276,899 Value ($000) $2,877 Avg Close $7.97 Range $6.01 - $10.99

Q3 2023

Shares 139,415 Value ($000) $884 Avg Close $7.39 Range $6.11 - $8.80

Q2 2023

Shares 137,100 Value ($000) $1,185 Avg Close $8.95 Range $7.75 - $10.35

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	128,131	$3,374	$21.81	$16.00 - $28.49
Q3 2025	137,552	$2,349	$14.31	$11.51 - $17.60
Q2 2025	133,090	$1,670	$11.91	$9.03 - $13.44
Q1 2025	120,727	$1,438	$13.64	$10.96 - $17.07
Q4 2024	120,683	$1,767	$13.98	$11.99 - $17.70
Q3 2024	249,991	$3,137	$10.89	$8.32 - $13.27
Q2 2024	309,703	$2,636	$8.90	$7.97 - $10.56
Q1 2024	294,878	$3,102	$11.10	$9.64 - $13.14
Q4 2023	276,899	$2,877	$7.97	$6.01 - $10.99
Q3 2023	139,415	$884	$7.39	$6.11 - $8.80
Q2 2023	137,100	$1,185	$8.95	$7.75 - $10.35