DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

J. Goldman & Co LP's Holding History (CIK: 0001412741)

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

Q3 2025

Shares 569,619 Value ($000) $4,016 Avg Close $6.88 Range $5.63 - $7.74

Q2 2025

Shares 557,480 Value ($000) $3,624 Avg Close $6.88 Range $6.08 - $8.14

Q2 2024

Shares 44,943 Value ($000) $619 Avg Close $14.63 Range $11.94 - $18.07

Q1 2024

Shares 61,327 Value ($000) $1,013 Avg Close $14.97 Range $13.42 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	569,619	$4,016	$6.88	$5.63 - $7.74
Q2 2025	557,480	$3,624	$6.88	$6.08 - $8.14
Q2 2024	44,943	$619	$14.63	$11.94 - $18.07
Q1 2024	61,327	$1,013	$14.97	$13.42 - $17.85