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Filing Details

Accession Number:: 0000899243-22-031602
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2022-09-20 17:47:24
Reporting Period:: 2022-09-16

Accepted Time:: 2022-09-20 17:47:24
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1845337	Day One Biopharmaceuticals Inc.	DAWN	()	E9

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1712417	L.p. Xi Canaan	285 Riverside Avenue, Suite 250 Westport CT 06880		No	No	Yes	No
1850694	Canaan Partners Xi Llc	285 Riverside Avenue, Suite 250 Westport CT 06880		No	No	Yes	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Disposition	2022-09-16	111,585	$21.53	9,307,021	No	4	S	Direct
Common Stock	Disposition	2022-09-16	3,722	$22.04	9,303,299	No	4	S	Direct
Common Stock	Disposition	2022-09-19	76,725	$20.57	9,226,574	No	4	S	Direct
Common Stock	Disposition	2022-09-20	146,404	$19.50	9,080,170	No	4	S	Direct
Common Stock	Disposition	2022-09-20	2,266	$20.10	9,077,904	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Footnotes

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.98 - $21.97, inclusive. The Reporting Persons undertake to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
These shares are held directly by Canaan XI L.P. (the "Canaan Fund"). Canaan Partners XI LLC ("Canaan XI") is the sole general partner of the Canaan Fund and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. Canaan XI disclaims Section 16 beneficial ownership of the securities held by the Canaan Fund, except to the extent of its pecuniary interest therein, if any.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.98 - $22.28, inclusive. The Reporting Persons undertake to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.22 - $21.07, inclusive. The Reporting Persons undertake to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.06 - $19.85, inclusive. The Reporting Persons undertake to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.06 - $20.15, inclusive. The Reporting Persons undertake to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.