Julie Papanek Grant - Dec 31, 2021 Form 5 Insider Report for Day One Biopharmaceuticals, Inc. (DAWN)

Role: Director
Signature: /s/ Charles N. York II, as Attorney-in-Fact
Stock symbol: DAWN
Transactions as of: Dec 31, 2021
Transactions value $: $0
Form type: 5
Date filed: 7/12/2022, 09:14 PM
Previous filing: May 26, 2021
Next filing: Jun 23, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DAWN	Common Stock	Gift	$0	-465K	-100%	$0.00^*	0	Nov 3, 2021	Direct	F1
transaction	DAWN	Common Stock	Gift	$0	+465K		$0.00	465K	Nov 3, 2021	See footnote	F2
holding	DAWN	Common Stock						362	Dec 31, 2021	See footnote	F3
holding	DAWN	Common Stock						9.66M	Dec 31, 2021	See footnote	F4

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

Explanation of Responses:

Id	Content
F1	Represents the contribution of 465,000 shares to The Grant Family Delaware Trust (the "Family Trust"), of which the Reporting Person is the trustee.
F2	Represents shares held by the Family Trust. The Reporting Person disclaims beneficial ownership of the shares except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Act"), or for any other purpose.
F3	Represents shares held by The Adam and Julie Grant Revocable Trust dtd October 13, 2017 (the "Revocable Trust") of which the Reporting Person and her spouse are co-trustees. These shares were received by the Revocable Trust in one or more prior distributions-in-kind by Canaan XI L.P. for no consideration pursuant to the exemptions afforded by Rules 16a-9 and 16a-13 of the Act. The Reporting Person disclaims beneficial ownership of the shares except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Act, or for any other purpose.
F4	These shares are held directly by Canaan XI L.P. The Reporting Person is a non-managing member of Canaan Partners XI LLC, the general partner of Canaan XI L.P. The Reporting Person does not have voting or dispositive power over any of the shares held directly by Canaan XI L.P. and disclaims beneficial ownership of the shares except to the extent of her pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Act, or for any other purpose.