<SEC-DOCUMENT>0001214659-25-014813-index.html : 20251009
<SEC-HEADER>0001214659-25-014813.hdr.sgml : 20251009
<ACCEPTANCE-DATETIME>20251009161511
ACCESSION NUMBER:		0001214659-25-014813
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20251009
DATE AS OF CHANGE:		20251009

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CRESCENT BIOPHARMA, INC.
		CENTRAL INDEX KEY:			0001253689
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87811
		FILM NUMBER:		251385231

	BUSINESS ADDRESS:	
		STREET 1:		300 FIFTH AVENUE
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		617-430-5595

	MAIL ADDRESS:	
		STREET 1:		300 FIFTH AVENUE
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GLYCOMIMETICS INC
		DATE OF NAME CHANGE:	20030711

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TANG CAPITAL MANAGEMENT LLC
		CENTRAL INDEX KEY:			0001232621
		ORGANIZATION NAME:           	
		EIN:				461592449
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G

	BUSINESS ADDRESS:	
		STREET 1:		4747 EXECUTIVE DRIVE
		STREET 2:		SUITE 210
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		858-200-3830

	MAIL ADDRESS:	
		STREET 1:		4747 EXECUTIVE DRIVE
		STREET 2:		SUITE 210
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</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>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex99_1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: ex99_1.htm

</DOCUMENT>
</SEC-DOCUMENT>