DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q3 2025

Shares 10,641 Value ($000) $75 Avg Close $6.88 Range $5.63 - $7.74

Q2 2025

Shares 19,539 Value ($000) $127 Avg Close $6.88 Range $6.08 - $8.14

Q4 2023

Shares 42,500 Value ($000) $621 Avg Close $12.12 Range $9.67 - $15.60

Q3 2023

Shares 21,900 Value ($000) $269 Avg Close $13.04 Range $11.13 - $15.36

Q2 2023

Shares 11,900 Value ($000) $142 Avg Close $13.06 Range $10.84 - $16.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	10,641	$75	$6.88	$5.63 - $7.74
Q2 2025	19,539	$127	$6.88	$6.08 - $8.14
Q4 2023	42,500	$621	$12.12	$9.67 - $15.60
Q3 2023	21,900	$269	$13.04	$11.13 - $15.36
Q2 2023	11,900	$142	$13.06	$10.84 - $16.00