<SEC-DOCUMENT>0001664211-24-000012.txt : 20241120
<SEC-HEADER>0001664211-24-000012.hdr.sgml : 20241120
<ACCEPTANCE-DATETIME>20241120180036
ACCESSION NUMBER:		0001664211-24-000012
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20241118
FILED AS OF DATE:		20241120
DATE AS OF CHANGE:		20241120

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Durr Julie J
		CENTRAL INDEX KEY:			0001664207
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15087
		FILM NUMBER:		241481598

	MAIL ADDRESS:	
		STREET 1:		901 HEARTLAND WAY
		CITY:			NORTH LIBERTY
		STATE:			IA
		ZIP:			52317

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Gerdin Ann S
		CENTRAL INDEX KEY:			0001483283
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15087
		FILM NUMBER:		241481599

	MAIL ADDRESS:	
		STREET 1:		901 HEARTLAND WAY
		CITY:			NORTH LIBERTY
		STATE:			IA
		ZIP:			52317

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Janssen Angela K
		CENTRAL INDEX KEY:			0001664284
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15087
		FILM NUMBER:		241481600

	MAIL ADDRESS:	
		STREET 1:		901 HEARTLAND WAY
		CITY:			NORTH LIBERTY
		STATE:			IA
		ZIP:			52317

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ann S. Gerdin Revocable Trust
		CENTRAL INDEX KEY:			0001664211
		ORGANIZATION NAME:           	
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15087
		FILM NUMBER:		241481601

	BUSINESS ADDRESS:	
		STREET 1:		901 HEARTLAND WAY
		CITY:			NORTH LIBERTY
		STATE:			IA
		ZIP:			52317
		BUSINESS PHONE:		319-645-7060

	MAIL ADDRESS:	
		STREET 1:		901 HEARTLAND WAY
		CITY:			NORTH LIBERTY
		STATE:			IA
		ZIP:			52317

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HEARTLAND EXPRESS INC
		CENTRAL INDEX KEY:			0000799233
		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				930926999
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		901 HEARTLAND WAY
		CITY:			NORTH LIBERTY
		STATE:			IA
		ZIP:			52317
		BUSINESS PHONE:		3196457060

	MAIL ADDRESS:	
		STREET 1:		901 HEARTLAND WAY
		CITY:			NORTH LIBERTY
		STATE:			IA
		ZIP:			52317
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1732143629.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-11-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000799233</issuerCik>
        <issuerName>HEARTLAND EXPRESS INC</issuerName>
        <issuerTradingSymbol>HTLD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001664211</rptOwnerCik>
            <rptOwnerName>Ann S. Gerdin Revocable Trust</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>901 HEARTLAND WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NORTH LIBERTY</rptOwnerCity>
            <rptOwnerState>IA</rptOwnerState>
            <rptOwnerZipCode>52317</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>Co-Trustee of 10% Owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001664284</rptOwnerCik>
            <rptOwnerName>Janssen Angela K</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>901 HEARTLAND WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NORTH LIBERTY</rptOwnerCity>
            <rptOwnerState>IA</rptOwnerState>
            <rptOwnerZipCode>52317</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>Co-Trustee of 10% Owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001483283</rptOwnerCik>
            <rptOwnerName>Gerdin Ann S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>901 HEARTLAND WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NORTH LIBERTY</rptOwnerCity>
            <rptOwnerState>IA</rptOwnerState>
            <rptOwnerZipCode>52317</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001664207</rptOwnerCik>
            <rptOwnerName>Durr Julie J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>901 HEARTLAND WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NORTH LIBERTY</rptOwnerCity>
            <rptOwnerState>IA</rptOwnerState>
            <rptOwnerZipCode>52317</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>Co-Trustee of 10% Owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-11-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>49506</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.2427</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>898584</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Trustee of Trust</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8510438</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1451828</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Trustee of Trust</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4283975</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Co-Trustee of Trust</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>38424</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Trustee of Trusts</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>38424</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Trustee of Trusts</value>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5003805</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Co-Trustee of Trust</value>
                    <footnoteId id="F8"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7813</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Spouse</value>
                    <footnoteId id="F9"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1936276</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Co-General Partner of Partnership</value>
                    <footnoteId id="F10"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The price reflects a weighted average purchase price for multiple transactions ranging from 12.1750 to 12.2500 per share, inclusive. The reporting person undertakes to provide upon request by the SEC staff, the issuer, or a stockholder of the issuer, full information regarding the number of shares purchased at each separate price.</footnote>
        <footnote id="F2">Julie Durr is the trustee of the Julie J. Durr Revocable Trust with voting and dispositive power.</footnote>
        <footnote id="F3">Michael Gerdin, Mrs. Durr, Mrs. Janssen, and Mrs. Gerdin serve as co-trustees over shares held by the Ann S. Gerdin Revocable Trust. As co-trustees, they have shared voting and dispositive powers with respect to this trust. Beneficial ownership is disclaimed for Mr. Gerdin, Mrs. Durr, and Mrs. Janssen.</footnote>
        <footnote id="F4">Angela Janssen is the trustee of the Angela K. Janssen Revocable Trust with voting and dispositive power.</footnote>
        <footnote id="F5">Mr. Gerdin, Mrs. Durr, and Mrs. Janssen are the beneficiaries of the 2009 Gerdin Heartland Trust. Mr. Gerdin, Mrs. Durr, and Mrs. Janssen serve as co-trustees over shares held by the trust. Beneficial ownership is disclaimed with respect to this trust because none of the trustees have the power to vote or dispose shares without consent of the other two trustees.</footnote>
        <footnote id="F6">Mrs. Janssen is the trustee of trusts created for the benefit of her children. As trustee, Mrs. Janssen has voting and dispositive powers with respect to this trust. Beneficial ownership is disclaimed.</footnote>
        <footnote id="F7">Mrs. Durr is the trustee of trusts created for the benefit of her children. As trustee, Mrs. Durr has voting and dispositive powers with respect to this trust. Beneficial ownership is disclaimed.</footnote>
        <footnote id="F8">Mr. Gerdin, Mrs. Durr, and Mrs. Janssen are the beneficiaries of the 2007 Gerdin Heartland Trust. Mr. Gerdin, Mrs. Durr, and Mrs. Janssen serve as co-trustees over shares held by the trust. Beneficial ownership is disclaimed with respect to this trust because none of the trustees have the power to vote or dispose shares without the consent of the other two trustees.</footnote>
        <footnote id="F9">Mrs. Janssen's husband owns these shares. Beneficial ownership of these shares is disclaimed.</footnote>
        <footnote id="F10">The Ann S. Gerdin Revocable Trust, Mr. Gerdin, Mrs. Durr, and Mrs. Janssen are co-general partners of Gerdin Family Investments LP. None of the Ann S. Gerdin Revocable Trust, Mr. Gerdin, Mrs. Durr, or Mrs. Janssen has voting and dispositive powers with respect to this partnership without consent of the majority of the other co-general partners. Beneficial ownership is disclaimed except to the extent of each such reporting person's percentage ownership of general and limited partner shares in the partnership.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Michael Gerdin, Co-Trustee of the Ann S. Gerdin Revocable Trust, by Chris Strain, pursuant to power of attorney previously filed</signatureName>
        <signatureDate>2024-11-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/Angela K. Janssen, by Chris Strain, pursuant to power of attorney previously filed</signatureName>
        <signatureDate>2024-11-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/Julie J. Durr, by Chris Strain, pursuant to power of attorney previously filed</signatureName>
        <signatureDate>2024-11-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Ann S. Gerdin, by Chris Strain, pursuant to power of attorney previously filed</signatureName>
        <signatureDate>2024-11-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
