DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

Vontobel Holding Ltd.'s Holding History (CIK: 0001588340)

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

Q4 2024

Shares 10,944 Value ($000) $139 Avg Close $13.91 Range $12.11 - $16.76

Q3 2024

Shares 10,944 Value ($000) $152 Avg Close $14.27 Range $12.53 - $16.75

Q2 2024

Shares 10,944 Value ($000) $151 Avg Close $14.63 Range $11.94 - $18.07

Q4 2023

Shares 15,500 Value ($000) $226 Avg Close $12.12 Range $9.67 - $15.60

Q3 2023

Shares 23,800 Value ($000) $292 Avg Close $13.04 Range $11.13 - $15.36

Q2 2023

Shares 23,800 Value ($000) $284 Avg Close $13.06 Range $10.84 - $16.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	10,944	$139	$13.91	$12.11 - $16.76
Q3 2024	10,944	$152	$14.27	$12.53 - $16.75
Q2 2024	10,944	$151	$14.63	$11.94 - $18.07
Q4 2023	15,500	$226	$12.12	$9.67 - $15.60
Q3 2023	23,800	$292	$13.04	$11.13 - $15.36
Q2 2023	23,800	$284	$13.06	$10.84 - $16.00