<SEC-DOCUMENT>0001683168-24-003345.txt : 20240513
<SEC-HEADER>0001683168-24-003345.hdr.sgml : 20240513
<ACCEPTANCE-DATETIME>20240513194718
ACCESSION NUMBER:		0001683168-24-003345
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240509
FILED AS OF DATE:		20240513
DATE AS OF CHANGE:		20240513

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CALDERONE FREDERICK P
		CENTRAL INDEX KEY:			0001202708
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15057
		FILM NUMBER:		24941029

	MAIL ADDRESS:	
		STREET 1:		C/O CENTRAL TRANSPORT INTL
		STREET 2:		12225 STEPHENS RD
		CITY:			WARREN
		STATE:			MI
		ZIP:			48089

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PAM TRANSPORTATION SERVICES INC
		CENTRAL INDEX KEY:			0000798287
		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				710633135
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		297 WEST HENRI DE TONTI BLVD
		CITY:			TONTITOWN
		STATE:			AR
		ZIP:			72770
		BUSINESS PHONE:		4793619111

	MAIL ADDRESS:	
		STREET 1:		297 WEST HENRI DE TONTI BLVD
		CITY:			TONTITOWN
		STATE:			AR
		ZIP:			72770
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-05-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000798287</issuerCik>
        <issuerName>PAM TRANSPORTATION SERVICES INC</issuerName>
        <issuerTradingSymbol>PTSI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001202708</rptOwnerCik>
            <rptOwnerName>CALDERONE FREDERICK P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O P.A.M. TRANSPORTATION SERVICES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>POST OFFICE BOX 188</rptOwnerStreet2>
            <rptOwnerCity>TONTITOWN</rptOwnerCity>
            <rptOwnerState>AR</rptOwnerState>
            <rptOwnerZipCode>72770</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-05-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>284</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.6</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10636</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Award of common stock as part of annual retainer for non-employee directors.</footnote>
        <footnote id="F2">On August 16, 2021, and March 29, 2022, P.A.M. Transportation Services, Inc. effected separate 2-for-1 forward splits of its common stock in the form of respective 100% stock dividends, resulting in a four-fold increase in the number of shares of common stock beneficially owned by the reporting person since the reporting person's most recent Form 4 filing.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Courtney C. Crouch, III as Attorney-in-Fact for Frederick P. Calderone</signatureName>
        <signatureDate>2024-05-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
