DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

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

Q4 2024
Shares 800,000 Value ($000) $10,136 Avg Close $13.91 Range $12.11 - $16.76
Q3 2024
Shares 900,000 Value ($000) $12,537 Avg Close $14.27 Range $12.53 - $16.75
Q1 2024
Shares 159,000 Value ($000) $2,627 Avg Close $14.97 Range $13.42 - $17.85
Q4 2023
Shares 150,000 Value ($000) $2,190 Avg Close $12.12 Range $9.67 - $15.60
Q3 2023
Shares 1,036,599 Value ($000) $12,719 Avg Close $13.04 Range $11.13 - $15.36
Q2 2023
Shares 2,442,500 Value ($000) $29,163 Avg Close $13.06 Range $10.84 - $16.00
Q1 2023
Shares 740,000 Value ($000) $9,894 Avg Close $19.53 Range $11.98 - $25.77
Q4 2022
Shares 3,300,000 Value ($000) $71,016 Avg Close $20.51 Range $17.66 - $23.10
Q3 2022
Shares 3,040,000 Value ($000) $60,891 Avg Close $21.27 Range $16.00 - $28.35
Q2 2022
Shares 2,746,825 Value ($000) $49,168 Avg Close $10.33 Range $5.44 - $18.22
Q1 2022
Shares 175,849 Value ($000) $1,744 Avg Close $13.21 Range $9.03 - $17.70
Q4 2021
Shares 110,000 Value ($000) $1,854 Avg Close $20.55 Range $15.16 - $26.62
Q3 2021
Shares 90,000 Value ($000) $2,136 Avg Close $23.96 Range $19.76 - $28.70