DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

Stonepine Capital Management, LLC's Holding History (CIK: 0001440771)

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

Q4 2025

Shares 200,000 Value ($000) $1,864 Avg Close $8.35 Range $6.70 - $10.90

Q3 2025

Shares 647,382 Value ($000) $4,564 Avg Close $6.88 Range $5.63 - $7.74

Q2 2025

Shares 450,000 Value ($000) $2,925 Avg Close $6.88 Range $6.08 - $8.14

Q1 2025

Shares 348,820 Value ($000) $2,766 Avg Close $10.77 Range $7.54 - $13.53

Q4 2024

Shares 235,000 Value ($000) $2,977 Avg Close $13.91 Range $12.11 - $16.76

Q3 2024

Shares 205,675 Value ($000) $2,865 Avg Close $14.27 Range $12.53 - $16.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	200,000	$1,864	$8.35	$6.70 - $10.90
Q3 2025	647,382	$4,564	$6.88	$5.63 - $7.74
Q2 2025	450,000	$2,925	$6.88	$6.08 - $8.14
Q1 2025	348,820	$2,766	$10.77	$7.54 - $13.53
Q4 2024	235,000	$2,977	$13.91	$12.11 - $16.76
Q3 2024	205,675	$2,865	$14.27	$12.53 - $16.75