Day One Biopharmaceuticals, Inc.

Stonepine Capital Management, LLC DAWN

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

200,000

Value ($000)

1,864

Weight

1.5%

2025 Q2 - 2025 Q4 (3 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/13/2026	1,864	1.5%	200,000	12/31/2025
2025 Q3	11/13/2025	4,564	3.7%	647,382	9/30/2025
2025 Q2	8/13/2025	2,925	2.9%	450,000	6/30/2025