DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

Susquehanna Portfolio Strategies, LLC's Holding History (CIK: 0001996449)

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

Q4 2025

Shares 57,379 Value ($000) $535 Avg Close $8.35 Range $6.70 - $10.90

Q3 2025

Shares 92,555 Value ($000) $653 Avg Close $6.88 Range $5.63 - $7.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	57,379	$535	$8.35	$6.70 - $10.90
Q3 2025	92,555	$653	$6.88	$5.63 - $7.74