DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

Virtus Investment Advisers, LLC's Holding History (CIK: 0000019481)

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

Q4 2025

Shares 81,747 Value ($000) $762 Avg Close $8.35 Range $6.70 - $10.90

Q3 2025

Shares 66,427 Value ($000) $468 Avg Close $6.88 Range $5.63 - $7.74

Q2 2025

Shares 66,427 Value ($000) $432 Avg Close $6.88 Range $6.08 - $8.14

Q1 2025

Shares 28,030 Value ($000) $222 Avg Close $10.77 Range $7.54 - $13.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	81,747	$762	$8.35	$6.70 - $10.90
Q3 2025	66,427	$468	$6.88	$5.63 - $7.74
Q2 2025	66,427	$432	$6.88	$6.08 - $8.14
Q1 2025	28,030	$222	$10.77	$7.54 - $13.53