ZYMEWORKS INC

Ticker: ZYME CUSIP: 98985Y108 Class: Common Stock

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q4 2025

Shares 28,083 Value ($000) $739 Avg Close $21.81 Range $16.00 - $28.49

Q3 2025

Shares 29,015 Value ($000) $496 Avg Close $14.31 Range $11.51 - $17.60

Q2 2025

Shares 27,109 Value ($000) $340 Avg Close $11.91 Range $9.03 - $13.44

Q1 2025

Shares 26,775 Value ($000) $319 Avg Close $13.64 Range $10.96 - $17.07

Q4 2024

Shares 27,385 Value ($000) $401 Avg Close $13.98 Range $11.99 - $17.70

Q3 2024

Shares 79,856 Value ($000) $1,002 Avg Close $10.89 Range $8.32 - $13.27

Q2 2024

Shares 81,789 Value ($000) $696 Avg Close $8.90 Range $7.97 - $10.56

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	28,083	$739	$21.81	$16.00 - $28.49
Q3 2025	29,015	$496	$14.31	$11.51 - $17.60
Q2 2025	27,109	$340	$11.91	$9.03 - $13.44
Q1 2025	26,775	$319	$13.64	$10.96 - $17.07
Q4 2024	27,385	$401	$13.98	$11.99 - $17.70
Q3 2024	79,856	$1,002	$10.89	$8.32 - $13.27
Q2 2024	81,789	$696	$8.90	$7.97 - $10.56