DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

XTX Topco Ltd's Holding History (CIK: 0001828301)

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

Q4 2025

Shares 128,440 Value ($000) $1,197 Avg Close $8.35 Range $6.70 - $10.90

Q3 2025

Shares 78,848 Value ($000) $556 Avg Close $6.88 Range $5.63 - $7.74

Q2 2025

Shares 24,268 Value ($000) $158 Avg Close $6.88 Range $6.08 - $8.14

Q3 2024

Shares 12,778 Value ($000) $178 Avg Close $14.27 Range $12.53 - $16.75

Q1 2024

Shares 24,042 Value ($000) $397 Avg Close $14.97 Range $13.42 - $17.85

Q2 2023

Shares 17,049 Value ($000) $204 Avg Close $13.06 Range $10.84 - $16.00

Q1 2023

Shares 20,582 Value ($000) $275 Avg Close $19.53 Range $11.98 - $25.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	128,440	$1,197	$8.35	$6.70 - $10.90
Q3 2025	78,848	$556	$6.88	$5.63 - $7.74
Q2 2025	24,268	$158	$6.88	$6.08 - $8.14
Q3 2024	12,778	$178	$14.27	$12.53 - $16.75
Q1 2024	24,042	$397	$14.97	$13.42 - $17.85
Q2 2023	17,049	$204	$13.06	$10.84 - $16.00
Q1 2023	20,582	$275	$19.53	$11.98 - $25.77