DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

JONES FINANCIAL COMPANIES LLLP's Holding History (CIK: 0000815917)

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

Q4 2025

Shares 1,002 Value ($000) $9 Avg Close $8.35 Range $6.70 - $10.90

Q3 2025

Shares 1,002 Value ($000) $7 Avg Close $6.88 Range $5.63 - $7.74

Q2 2025

Shares 2 Value ($000) $0 Avg Close $6.88 Range $6.08 - $8.14

Q1 2025

Shares 363 Value ($000) $3 Avg Close $10.77 Range $7.54 - $13.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,002	$9	$8.35	$6.70 - $10.90
Q3 2025	1,002	$7	$6.88	$5.63 - $7.74
Q2 2025	2	$0	$6.88	$6.08 - $8.14
Q1 2025	363	$3	$10.77	$7.54 - $13.53