DAY ONE BIOPHARMACEUTICALS I

Ticker: DAWN CUSIP: 23954D109 Class: Common Stock

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2024

Shares 731,303 Value ($000) $9,266 Avg Close $13.91 Range $12.11 - $16.76

Q3 2024

Shares 721,581 Value ($000) $10,052 Avg Close $14.27 Range $12.53 - $16.75

Q2 2024

Shares 298,038 Value ($000) $4,107 Avg Close $14.63 Range $11.94 - $18.07

Q1 2024

Shares 272,117 Value ($000) $4,495 Avg Close $14.97 Range $13.42 - $17.85

Q4 2023

Shares 208,969 Value ($000) $3,051 Avg Close $12.12 Range $9.67 - $15.60

Q3 2023

Shares 117,576 Value ($000) $1,443 Avg Close $13.04 Range $11.13 - $15.36

Q2 2023

Shares 112,010 Value ($000) $1,337 Avg Close $13.06 Range $10.84 - $16.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	731,303	$9,266	$13.91	$12.11 - $16.76
Q3 2024	721,581	$10,052	$14.27	$12.53 - $16.75
Q2 2024	298,038	$4,107	$14.63	$11.94 - $18.07
Q1 2024	272,117	$4,495	$14.97	$13.42 - $17.85
Q4 2023	208,969	$3,051	$12.12	$9.67 - $15.60
Q3 2023	117,576	$1,443	$13.04	$11.13 - $15.36
Q2 2023	112,010	$1,337	$13.06	$10.84 - $16.00