<SEC-DOCUMENT>0001628280-25-057671-index.html : 20251217
<SEC-HEADER>0001628280-25-057671.hdr.sgml : 20251217
<ACCEPTANCE-DATETIME>20251217163839
ACCESSION NUMBER:		0001628280-25-057671
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251215
FILED AS OF DATE:		20251217
DATE AS OF CHANGE:		20251217

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lynch Ryan
		CENTRAL INDEX KEY:			0001709271
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36177
		FILM NUMBER:		251579834

	MAIL ADDRESS:	
		STREET 1:		C/O CONCERT PHARMACEUTICALS INC.
		STREET 2:		99 HAYDEN AVENUE SUITE 500
		CITY:			LEXINGTON
		STATE:			MA
		ZIP:			02421

ISSUER:		

	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

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1766007516.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wk-form4_1766007516.html

Document 1 - RAW XML: wk-form4_1766007516.xml

</DOCUMENT>
</SEC-DOCUMENT>