<SEC-DOCUMENT>0001076809-26-000031-index.html : 20260319
<SEC-HEADER>0001076809-26-000031.hdr.sgml : 20260319
<ACCEPTANCE-DATETIME>20260319164606
ACCESSION NUMBER:		0001076809-26-000031
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20260319
DATE AS OF CHANGE:		20260319

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Day One Biopharmaceuticals, Inc.
		CENTRAL INDEX KEY:			0001845337
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				832415215
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-92582
		FILM NUMBER:		26774911

	BUSINESS ADDRESS:	
		STREET 1:		1800 SIERRA POINT PARKWAY, SUITE 200
		CITY:			BRISBANE
		STATE:			CA
		ZIP:			94005
		BUSINESS PHONE:		650 484-0899

	MAIL ADDRESS:	
		STREET 1:		1800 SIERRA POINT PARKWAY, SUITE 200
		CITY:			BRISBANE
		STATE:			CA
		ZIP:			94005

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Day One Biopharmaceuticals Holding Co LLC
		DATE OF NAME CHANGE:	20210209

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GLAZER CAPITAL, LLC
		CENTRAL INDEX KEY:			0001076809
		ORGANIZATION NAME:           	
		EIN:				134032491
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G

	BUSINESS ADDRESS:	
		STREET 1:		250 WEST 55TH STREET
		STREET 2:		SUITE 30A
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-808-7308

	MAIL ADDRESS:	
		STREET 1:		250 WEST 55TH STREET
		STREET 2:		SUITE 30A
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GLAZER CAPITAL MANAGEMENT LP
		DATE OF NAME CHANGE:	19990114
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
</SEC-DOCUMENT>