DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

FOX RUN MANAGEMENT, L.L.C.'s Holding History (CIK: 0001533457)

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

Q4 2025

Shares 33,639 Value ($000) $314 Avg Close $8.35 Range $6.70 - $10.90

Q3 2025

Shares 25,932 Value ($000) $183 Avg Close $6.88 Range $5.63 - $7.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	33,639	$314	$8.35	$6.70 - $10.90
Q3 2025	25,932	$183	$6.88	$5.63 - $7.74