DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q4 2025

Shares 37,514 Value ($000) $350 Avg Close $8.35 Range $6.70 - $10.90

Q1 2023

Shares 17,342 Value ($000) $232 Avg Close $19.53 Range $11.98 - $25.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	37,514	$350	$8.35	$6.70 - $10.90
Q1 2023	17,342	$232	$19.53	$11.98 - $25.77