ZYMEWORKS INC

Ticker: ZYME CUSIP: 98985Y108 Class: Common Stock

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2025

Shares 307,979 Value ($000) $8,109 Avg Close $21.81 Range $16.00 - $28.49

Q3 2025

Shares 348,253 Value ($000) $5,948 Avg Close $14.31 Range $11.51 - $17.60

Q2 2025

Shares 349,799 Value ($000) $4,390 Avg Close $11.91 Range $9.03 - $13.44

Q1 2025

Shares 386,923 Value ($000) $4,608 Avg Close $13.64 Range $10.96 - $17.07

Q4 2024

Shares 394,830 Value ($000) $5,780 Avg Close $13.98 Range $11.99 - $17.70

Q3 2024

Shares 370,927 Value ($000) $4,655 Avg Close $10.89 Range $8.32 - $13.27

Q2 2024

Shares 364,414 Value ($000) $3,101 Avg Close $8.90 Range $7.97 - $10.56

Q1 2024

Shares 418,248 Value ($000) $4,400 Avg Close $11.10 Range $9.64 - $13.14

Q4 2023

Shares 417,146 Value ($000) $4,334 Avg Close $7.97 Range $6.01 - $10.99

Q3 2023

Shares 419,867 Value ($000) $2,662 Avg Close $7.39 Range $6.11 - $8.80

Q2 2023

Shares 421,028 Value ($000) $3,638 Avg Close $8.95 Range $7.75 - $10.35

Q1 2023

Shares 30,079 Value ($000) $272 Avg Close $8.72 Range $7.31 - $10.80

Q4 2022

Shares 12,832 Value ($000) $101 Avg Close $7.03 Range $4.86 - $9.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	307,979	$8,109	$21.81	$16.00 - $28.49
Q3 2025	348,253	$5,948	$14.31	$11.51 - $17.60
Q2 2025	349,799	$4,390	$11.91	$9.03 - $13.44
Q1 2025	386,923	$4,608	$13.64	$10.96 - $17.07
Q4 2024	394,830	$5,780	$13.98	$11.99 - $17.70
Q3 2024	370,927	$4,655	$10.89	$8.32 - $13.27
Q2 2024	364,414	$3,101	$8.90	$7.97 - $10.56
Q1 2024	418,248	$4,400	$11.10	$9.64 - $13.14
Q4 2023	417,146	$4,334	$7.97	$6.01 - $10.99
Q3 2023	419,867	$2,662	$7.39	$6.11 - $8.80
Q2 2023	421,028	$3,638	$8.95	$7.75 - $10.35
Q1 2023	30,079	$272	$8.72	$7.31 - $10.80
Q4 2022	12,832	$101	$7.03	$4.86 - $9.28