DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

Nuveen, LLC's Holding History (CIK: 0001871926)

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

Q4 2025

Shares 522,455 Value ($000) $4,869 Avg Close $8.35 Range $6.70 - $10.90

Q3 2025

Shares 150,372 Value ($000) $1,060 Avg Close $6.88 Range $5.63 - $7.74

Q2 2025

Shares 150,372 Value ($000) $977 Avg Close $6.88 Range $6.08 - $8.14

Q1 2025

Shares 139,658 Value ($000) $1,107 Avg Close $10.77 Range $7.54 - $13.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	522,455	$4,869	$8.35	$6.70 - $10.90
Q3 2025	150,372	$1,060	$6.88	$5.63 - $7.74
Q2 2025	150,372	$977	$6.88	$6.08 - $8.14
Q1 2025	139,658	$1,107	$10.77	$7.54 - $13.53