<SEC-DOCUMENT>0001401521-21-000044.txt : 20210426
<SEC-HEADER>0001401521-21-000044.hdr.sgml : 20210426
<ACCEPTANCE-DATETIME>20210426164209
ACCESSION NUMBER:		0001401521-21-000044
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210403
FILED AS OF DATE:		20210426
DATE AS OF CHANGE:		20210426

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			St John Scott
		CENTRAL INDEX KEY:			0001685063

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-52833
		FILM NUMBER:		21854434

	MAIL ADDRESS:	
		STREET 1:		800 2ND AVE S
		CITY:			ST PETERSBURG
		STATE:			FL
		ZIP:			33701

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNITED INSURANCE HOLDINGS CORP.
		CENTRAL INDEX KEY:			0001401521
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				753241967
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		800 2ND AVE S
		CITY:			SAINT PETERSBURG
		STATE:			FL
		ZIP:			33701
		BUSINESS PHONE:		727-895-7737

	MAIL ADDRESS:	
		STREET 1:		800 2ND AVE S
		CITY:			SAINT PETERSBURG
		STATE:			FL
		ZIP:			33701

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FMG ACQUISITION CORP
		DATE OF NAME CHANGE:	20070531
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>FORM 4
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        <issuerCik>0001401521</issuerCik>
        <issuerName>UNITED INSURANCE HOLDINGS CORP.</issuerName>
        <issuerTradingSymbol>UIHC</issuerTradingSymbol>
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            <rptOwnerName>St John Scott</rptOwnerName>
        </reportingOwnerId>
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            <rptOwnerStreet1>C/O UNITED INSURANCE HOLDINGS CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>800 2ND AVENUE S</rptOwnerStreet2>
            <rptOwnerCity>ST PETERSBURG</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33701</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Claims Officer</officerTitle>
            <otherText></otherText>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Nonqualified Stock Options</value>
            </securityTitle>
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            <transactionDate>
                <value>2021-04-23</value>
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                <transactionCode>A</transactionCode>
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                <transactionPricePerShare>
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            <securityTitle>
                <value>Performance Stock Units</value>
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                    <value>24351</value>
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    <footnotes>
        <footnote id="F1">Each stock unit represents a conditional right to receive one share of the company's common stock.</footnote>
        <footnote id="F2">On April 3, 2019, the reporting person was granted 2,720 restricted stock units, vesting in three annual installments of approximately equal size beginning the first anniversary of the date of the grant.</footnote>
        <footnote id="F3">The dividend equivalent units will vest proportionately with the underlying restricted stock units to which they relate.</footnote>
        <footnote id="F4">Exercise of the nonqualified award is subject to vesting over three years with one third, rounded down to the nearest whole share of stock, becoming exercisable in each period.</footnote>
        <footnote id="F5">The restricted stock units are subject to vesting over three years with one third, rounded down to the nearest whole share of stock, vesting in each period.</footnote>
        <footnote id="F6">The performance units are subject to vesting over three years with one third, rounded down to the nearest whole share of stock, vesting in each period.</footnote>
        <footnote id="F7">The number of shares of common stock that will be delivered for each performance stock unit depends on the achievement of certain performance factors. Depending on actual performance, the number of shares of common stock delivered upon the vesting date (based on the terms outlined in the respective award agreement) can range from 0% to 150% of the number presented above.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jessica Strathman, Attorney-in-Fact for Scott St John</signatureName>
        <signatureDate>2021-04-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
