John A. Josey

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
6 Nov 25	DAWN Day One Biopharmaceuticals	Stock Option (right to buy Common Stock) Common Stock	Grant	Acquire A	No	No	8.99	32,335	290.69 k	32,335
6 Nov 25	DAWN Day One Biopharmaceuticals	Stock Option (right to buy Common Stock) Common Stock	Sale back to company	Dispose D	No	No	13.87	32,335	448.49 k	0
6 Nov 25	DAWN Day One Biopharmaceuticals	Stock Option (right to buy Common Stock) Common Stock	Grant	Acquire A	No	No	8.99	37,500	337.13 k	37,500
6 Nov 25	DAWN Day One Biopharmaceuticals	Stock Option (right to buy Common Stock) Common Stock	Sale back to company	Dispose D	No	No	12.69	37,500	475.88 k	0
6 Nov 25	DAWN Day One Biopharmaceuticals	Stock Option (right to buy Common Stock) Common Stock	Grant	Acquire A	No	No	8.99	28,700	258.01 k	28,700
6 Nov 25	DAWN Day One Biopharmaceuticals	Stock Option (right to buy Common Stock) Common Stock	Sale back to company	Dispose D	No	No	16.29	28,700	467.52 k	0
6 Nov 25	DAWN Day One Biopharmaceuticals	Stock Option (right to buy Common Stock) Common Stock	Grant	Acquire A	No	No	8.99	1,181	10.62 k	1,181
6 Nov 25	DAWN Day One Biopharmaceuticals	Stock Option (right to buy Common Stock) Common Stock	Sale back to company	Dispose D	No	No	16	1,181	18.90 k	0
6 Nov 25	DAWN Day One Biopharmaceuticals	Stock Option (right to buy Common Stock) Common Stock	Grant	Acquire A	No	No	8.99	63,000	566.37 k	63,000
6 Nov 25	DAWN Day One Biopharmaceuticals	Stock Option (right to buy Common Stock) Common Stock	Sale back to company	Dispose D	No	No	16	63,000	1.01 mm	0

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.