ZYMEWORKS INC

Ticker: ZYME CUSIP: 98985Y108 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 4,595,548 Value ($000) $121,001 Avg Close $21.81 Range $16.00 - $28.49

Q3 2025

Shares 3,989,533 Value ($000) $68,141 Avg Close $14.31 Range $11.51 - $17.60

Q2 2025

Shares 3,794,272 Value ($000) $47,618 Avg Close $11.91 Range $9.03 - $13.44

Q1 2025

Shares 4,089,421 Value ($000) $48,705 Avg Close $13.64 Range $10.96 - $17.07

Q4 2024

Shares 4,184,956 Value ($000) $61,268 Avg Close $13.98 Range $11.99 - $17.70

Q3 2024

Shares 4,263,595 Value ($000) $53,508 Avg Close $10.89 Range $8.32 - $13.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,595,548	$121,001	$21.81	$16.00 - $28.49
Q3 2025	3,989,533	$68,141	$14.31	$11.51 - $17.60
Q2 2025	3,794,272	$47,618	$11.91	$9.03 - $13.44
Q1 2025	4,089,421	$48,705	$13.64	$10.96 - $17.07
Q4 2024	4,184,956	$61,268	$13.98	$11.99 - $17.70
Q3 2024	4,263,595	$53,508	$10.89	$8.32 - $13.27