IDEAYA BIOSCIENCES INC

Ticker: IDYA CUSIP: 45166A102 Class: Common Stock

Weiss Asset Management LP's Holding History (CIK: 0001357550)

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

Q3 2025

Shares 23,321 Value ($000) $635 Avg Close $24.19 Range $20.50 - $28.01

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	23,321	$635	$24.19	$20.50 - $28.01