<SEC-DOCUMENT>0001902313-25-000006.txt : 20251014
<SEC-HEADER>0001902313-25-000006.hdr.sgml : 20251014
<ACCEPTANCE-DATETIME>20251014173530
ACCESSION NUMBER:		0001902313-25-000006
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251009
FILED AS OF DATE:		20251014
DATE AS OF CHANGE:		20251014

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Botelho Kiersten Zaza
		CENTRAL INDEX KEY:			0001902313
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	814-00702
		FILM NUMBER:		251392799

	MAIL ADDRESS:	
		STREET 1:		C/O HERCULES CAPITAL, INC.
		STREET 2:		31 ST. JAMES AVENUE, SUITE 1005
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Hercules Capital, Inc.
		CENTRAL INDEX KEY:			0001280784
		ORGANIZATION NAME:           	
		EIN:				743113410
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 NORTH B STREET
		STREET 2:		SUITE 2000
		CITY:			SAN MATEO
		STATE:			CA
		ZIP:			94401
		BUSINESS PHONE:		650-289-3060

	MAIL ADDRESS:	
		STREET 1:		1 NORTH B STREET
		STREET 2:		SUITE 2000
		CITY:			SAN MATEO
		STATE:			CA
		ZIP:			94401

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HERCULES TECHNOLOGY GROWTH CAPITAL INC
		DATE OF NAME CHANGE:	20040219
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-10-09</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001280784</issuerCik>
        <issuerName>Hercules Capital, Inc.</issuerName>
        <issuerTradingSymbol>HTGC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001902313</rptOwnerCik>
            <rptOwnerName>Botelho Kiersten Zaza</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HERCULES CAPITAL, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>31 ST. JAMES AVENUE, SUITE 1005</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02116</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Chief Legal Officer &amp; CCO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-10-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>956.00</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.06</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>64925.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares of common stock withheld to pay taxes applicable to the vesting of restricted stock on October 9, 2025.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ /Eileen Bagarella, Attorney-in-Fact for Kiersten Zaza Botelho</signatureName>
        <signatureDate>2025-10-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
