ZYMEWORKS INC

Ticker: ZYME CUSIP: 98985Y108 Class: Common Stock

Blackstone Inc.'s Holding History (CIK: 0001393818)

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

Q3 2025

Shares 1,616,290 Value ($000) $27,606 Avg Close $14.31 Range $11.51 - $17.60

Q2 2025

Shares 1,656,790 Value ($000) $20,793 Avg Close $11.91 Range $9.03 - $13.44

Q1 2025

Shares 1,382,587 Value ($000) $16,467 Avg Close $13.64 Range $10.96 - $17.07

Q4 2024

Shares 569,715 Value ($000) $8,341 Avg Close $13.98 Range $11.99 - $17.70

Q3 2024

Shares 25,082 Value ($000) $315 Avg Close $10.89 Range $8.32 - $13.27

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1,616,290	$27,606	$14.31	$11.51 - $17.60
Q2 2025	1,656,790	$20,793	$11.91	$9.03 - $13.44
Q1 2025	1,382,587	$16,467	$13.64	$10.96 - $17.07
Q4 2024	569,715	$8,341	$13.98	$11.99 - $17.70
Q3 2024	25,082	$315	$10.89	$8.32 - $13.27