<SEC-DOCUMENT>0001193125-25-294631-index.html : 20251125
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<ACCEPTANCE-DATETIME>20251125083041
ACCESSION NUMBER:		0001193125-25-294631
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20251125
DATE AS OF CHANGE:		20251125

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FibroBiologics, Inc.
		CENTRAL INDEX KEY:			0001958777
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				863329066
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-284663
		FILM NUMBER:		251515306

	BUSINESS ADDRESS:	
		STREET 1:		455 E. MEDICAL CENTER BLVD
		STREET 2:		SUITE 300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77598
		BUSINESS PHONE:		281-671-5150

	MAIL ADDRESS:	
		STREET 1:		455 E. MEDICAL CENTER BLVD SUITE 300
		STREET 2:		SUITE 300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77598

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FibroBiologics Inc.
		DATE OF NAME CHANGE:	20221216
</SEC-HEADER>
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<TYPE>424B5
<SEQUENCE>1
<FILENAME>prosup_hcw_11.25.25.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: prosup_hcw_11.25.25.htm

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<SEQUENCE>2
<FILENAME>img38200705_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: img38200705_0.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img38200705_1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: img38200705_1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>img38200705_2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: img38200705_2.jpg

</DOCUMENT>
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