DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

Cerity Partners LLC's Holding History (CIK: 0001566475)

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

Q4 2025

Shares 11,586 Value ($000) $108 Avg Close $8.35 Range $6.70 - $10.90

Q2 2025

Shares 14,417 Value ($000) $94 Avg Close $6.88 Range $6.08 - $8.14

Q1 2025

Shares 14,999 Value ($000) $119 Avg Close $10.77 Range $7.54 - $13.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,586	$108	$8.35	$6.70 - $10.90
Q2 2025	14,417	$94	$6.88	$6.08 - $8.14
Q1 2025	14,999	$119	$10.77	$7.54 - $13.53