DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

Atlas Venture Life Science Advisors, LLC's Holding History (CIK: 0001917529)

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

Q4 2025
Shares 6,412,560 Value ($000) $59,765 Avg Close $8.35 Range $6.70 - $10.90
Q3 2025
Shares 6,430,257 Value ($000) $45,333 Avg Close $6.88 Range $5.63 - $7.74
Q2 2025
Shares 6,430,257 Value ($000) $41,797 Avg Close $6.88 Range $6.08 - $8.14
Q1 2025
Shares 6,430,257 Value ($000) $50,992 Avg Close $10.77 Range $7.54 - $13.53
Q4 2024
Shares 6,430,257 Value ($000) $81,471 Avg Close $13.91 Range $12.11 - $16.76
Q3 2024
Shares 6,430,257 Value ($000) $89,573 Avg Close $14.27 Range $12.53 - $16.75
Q2 2024
Shares 6,430,257 Value ($000) $88,609 Avg Close $14.63 Range $11.94 - $18.07
Q1 2024
Shares 6,430,257 Value ($000) $106,228 Avg Close $14.97 Range $13.42 - $17.85
Q4 2023
Shares 7,608,394 Value ($000) $111,083 Avg Close $12.12 Range $9.67 - $15.60
Q3 2023
Shares 7,608,394 Value ($000) $93,355 Avg Close $13.04 Range $11.13 - $15.36
Q2 2023
Shares 7,608,394 Value ($000) $90,844 Avg Close $13.06 Range $10.84 - $16.00
Q1 2023
Shares 7,608,394 Value ($000) $101,724 Avg Close $19.53 Range $11.98 - $25.77
Q4 2022
Shares 7,568,317 Value ($000) $162,870 Avg Close $20.51 Range $17.66 - $23.10
Q3 2022
Shares 8,169,171 Value ($000) $163,628 Avg Close $21.27 Range $16.00 - $28.35
Q2 2022
Shares 8,968,305 Value ($000) $160,533 Avg Close $10.33 Range $5.44 - $18.22
Q1 2022
Shares 8,201,638 Value ($000) $81,360 Avg Close $13.21 Range $9.03 - $17.70
Q4 2021
Shares 8,201,638 Value ($000) $138,198 Avg Close $20.55 Range $15.16 - $26.62