DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

Rubric Capital Management LP's Holding History (CIK: 0001687509)

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

Q3 2025

Shares 3,377,071 Value ($000) $23,808 Avg Close $6.88 Range $5.63 - $7.74

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	3,377,071	$23,808	$6.88	$5.63 - $7.74