DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

Knott David M Jr's Holding History (CIK: 0001892770)

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

Q4 2025

Shares 25,884 Value ($000) $241 Avg Close $8.35 Range $6.70 - $10.90

Q3 2025

Shares 130,500 Value ($000) $920 Avg Close $6.88 Range $5.63 - $7.74

Q2 2025

Shares 33,714 Value ($000) $219 Avg Close $6.88 Range $6.08 - $8.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	25,884	$241	$8.35	$6.70 - $10.90
Q3 2025	130,500	$920	$6.88	$5.63 - $7.74
Q2 2025	33,714	$219	$6.88	$6.08 - $8.14