<SEC-DOCUMENT>0001683168-20-002836.txt : 20200820
<SEC-HEADER>0001683168-20-002836.hdr.sgml : 20200820
<ACCEPTANCE-DATETIME>20200820213856
ACCESSION NUMBER:		0001683168-20-002836
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200818
FILED AS OF DATE:		20200820
DATE AS OF CHANGE:		20200820

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vitiritto Joseph A.
		CENTRAL INDEX KEY:			0001821854

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15057
		FILM NUMBER:		201121363

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 188
		CITY:			TONTITOWN
		STATE:			AR
		ZIP:			72770

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PAM TRANSPORTATION SERVICES INC
		CENTRAL INDEX KEY:			0000798287
		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
		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>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-08-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001821854</rptOwnerCik>
            <rptOwnerName>Vitiritto Joseph A.</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>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-08-18</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>40000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents an award of restricted stock which will vest in four installments of 5,000 shares on each August 18 in 2022, 2023, 2024 and 2027, and two installments of 10,000 shares on each August 18 in 2025 and 2026, subject to continued employment.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Courtney C. Crouch, III, as Attorney-in-Fact for Joseph A. Vitiritto</signatureName>
        <signatureDate>2020-08-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
