Ownership

Samuel C. Blackman - HEAD OF R&D at Day One Biopharmaceuticals, Inc.

Insider Transactions and Holdings

Entity Type: Individual
Role: Head Of R&D
Stock Symbol: DAWN on Nasdaq
Industry: Pharmaceutical Preparations
All Insider Reports: All Insider Reports

Samuel C. Blackman - trading volume in the past year for Day One Biopharmaceuticals, Inc.

	Shares	%	Avg Price	Total $
Buys
Sells	-167K	100%	$14.92	-$2.5M
Net	-167K	-100%		-$2.5M

Holdings reported by Samuel C. Blackman for Day One Biopharmaceuticals, Inc.

Class	Num Shares	Value	Price $	Transaction Date	Ownership	Underlying Class	Underlying Amount
Common Stock	1.1M	$15.6M	$14.22	Sep 10, 2024	Direct
Common Stock	1M	$14.2M	$14.22	Sep 10, 2024	Indirect
Restricted Stock Unit (RSU)	84.9K	$1.36M	$16.08	May 15, 2024	Direct	Common Stock
Restricted Stock Unit (RSU)	78.8K	$1.1M	$14.00	Aug 15, 2024	Direct	Common Stock
Stock Option (right to buy Common Stock)	148K			Jan 5, 2024	Direct	Common Stock

Transactions reported by Samuel C. Blackman for Day One Biopharmaceuticals, Inc.

Sym	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.