DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

HRT FINANCIAL LP's Holding History (CIK: 0001475597)

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

Q4 2025

Shares 450,938 Value ($000) $4 Avg Close $8.35 Range $6.70 - $10.90

Q3 2025

Shares 321,377 Value ($000) $2 Avg Close $6.88 Range $5.63 - $7.74

Q1 2025

Shares 31,487 Value ($000) $0 Avg Close $10.77 Range $7.54 - $13.53

Q2 2024

Shares 98,624 Value ($000) $1 Avg Close $14.63 Range $11.94 - $18.07

Q4 2023

Shares 73,887 Value ($000) $1 Avg Close $12.12 Range $9.67 - $15.60

Q2 2022

Shares 35,426 Value ($000) $634 Avg Close $10.33 Range $5.44 - $18.22

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	450,938	$4	$8.35	$6.70 - $10.90
Q3 2025	321,377	$2	$6.88	$5.63 - $7.74
Q1 2025	31,487	$0	$10.77	$7.54 - $13.53
Q2 2024	98,624	$1	$14.63	$11.94 - $18.07
Q4 2023	73,887	$1	$12.12	$9.67 - $15.60
Q2 2022	35,426	$634	$10.33	$5.44 - $18.22