<SEC-DOCUMENT>0001493152-25-025995.txt : 20251203
<SEC-HEADER>0001493152-25-025995.hdr.sgml : 20251203
<ACCEPTANCE-DATETIME>20251203165913
ACCESSION NUMBER:		0001493152-25-025995
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506(b) provides a "safer harbor" for a private offering
FILED AS OF DATE:		20251203
DATE AS OF CHANGE:		20251203
EFFECTIVENESS DATE:		20251203

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:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-565686
		FILM NUMBER:		251547190

	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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        <entityName>FibroBiologics, Inc.</entityName>
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            <street1>455 E. MEDICAL CENTER BLVD, SUITE 300</street1>
            <city>HOUSTON</city>
            <stateOrCountry>TX</stateOrCountry>
            <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
            <zipCode>77598</zipCode>
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        <issuerPhoneNumber>281 671-5150</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <previousName>FibroBiologics LLC</previousName>
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        <entityType>Corporation</entityType>
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            <value>2021</value>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Pete</firstName>
                <lastName>O'Heeron</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
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                <city>Houston</city>
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                <zipCode>77598</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
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                <relationship>Director</relationship>
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            <relationshipClarification>Chairman, Founder and Chief Executive Officer</relationshipClarification>
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        <relatedPersonInfo>
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                <firstName>Jason</firstName>
                <middleName>D.</middleName>
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            <relatedPersonRelationshipList>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Pharmaceuticals</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2025-11-18</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
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            <isOptionToAcquireType>true</isOptionToAcquireType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>4000000</totalOfferingAmount>
            <totalAmountSold>4000000</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse>Includes warrants to purchase 12,110,203 shares of the issuer's common  stock (exercise price of $0.3303 per share)</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>1</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
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                <dollarAmount>0</dollarAmount>
            </salesCommissions>
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            <clarificationOfResponse></clarificationOfResponse>
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        <signatureBlock>
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            <signature>
                <issuerName>FibroBiologics, Inc.</issuerName>
                <signatureName>/s/ Ruben A. Garcia</signatureName>
                <nameOfSigner>Ruben A. Garcia</nameOfSigner>
                <signatureTitle>General Counsel</signatureTitle>
                <signatureDate>2025-12-03</signatureDate>
            </signature>
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