DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

ROTHSCHILD INVESTMENT LLC's Holding History (CIK: 0000085338)

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

Q4 2025
Shares 227 Value ($000) $2 Avg Close $8.35 Range $6.70 - $10.90
Q3 2025
Shares 225 Value ($000) $2 Avg Close $6.88 Range $5.63 - $7.74
Q2 2025
Shares 120 Value ($000) $1 Avg Close $6.88 Range $6.08 - $8.14
Q1 2025
Shares 95 Value ($000) $1 Avg Close $10.77 Range $7.54 - $13.53
Q4 2024
Shares 50 Value ($000) $1 Avg Close $13.91 Range $12.11 - $16.76
Q3 2024
Shares 65 Value ($000) $1 Avg Close $14.27 Range $12.53 - $16.75
Q2 2024
Shares 30 Value ($000) $0 Avg Close $14.63 Range $11.94 - $18.07
Q1 2024
Shares 10 Value ($000) $0 Avg Close $14.97 Range $13.42 - $17.85