<SEC-DOCUMENT>0001032011-14-000001.txt : 20140624
<SEC-HEADER>0001032011-14-000001.hdr.sgml : 20140624
<ACCEPTANCE-DATETIME>20140616182344
ACCESSION NUMBER:		0001032011-14-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20140610
FILED AS OF DATE:		20140616
DATE AS OF CHANGE:		20140616

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN SHARED HOSPITAL SERVICES
		CENTRAL INDEX KEY:			0000744825
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
		IRS NUMBER:				942918118
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		FOUR EMBARCADERO CENTER
		STREET 2:		SUITE 3700
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111-4107
		BUSINESS PHONE:		415-788-5300

	MAIL ADDRESS:	
		STREET 1:		FOUR EMBARCADERO CENTER
		STREET 2:		SUITE 3700
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111-4107

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RUFFLE JOHN F
		CENTRAL INDEX KEY:			0001032011

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08789
		FILM NUMBER:		14923854

	MAIL ADDRESS:	
		STREET 1:		1170 EIGHTH AVENUE
		CITY:			BETHLEHEM
		STATE:			PA
		ZIP:			18016-7699
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2014-06-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000744825</issuerCik>
        <issuerName>AMERICAN SHARED HOSPITAL SERVICES</issuerName>
        <issuerTradingSymbol>AMS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001032011</rptOwnerCik>
            <rptOwnerName>RUFFLE JOHN F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1170 EIGHTH AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BETHLEHEM</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>18016-7699</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <transactionDate>
                <value>2014-06-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7576</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>279767</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <transactionDate>
                <value>2014-06-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>500</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>280267</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <transactionDate>
                <value>2014-06-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.43</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>480267</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>STOCK OPTION (RIGHT TO BUY)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.43</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2014-06-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2014-06-10</value>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <value>2021-06-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">THIS REPRESENTS AN AWARD OF RESTRICTED STOCK UNITS AWARDED ANNUALLY TO EACH BOARD OF DIRECTOR IN LIEU OF RECEIPT OF QUARTERLY CASH COMPENSATION. EACH UNIT WILL ENTITLE THE REPORTING PERSON TO ONE SHARE OF THE ISSUER'S COMMON STOCK UPON VESTING. THE AWARD WAS GRANTED ON JANUARY 2, 2014 (THE FIRST BUSINESS DAY OF THE CALENDAR YEAR) AND DIVIDED INTO FOUR SEPARATE AMOUNTS OF COMMON STOCK THAT VEST AT THREE MONTHS, SIX MONTHS, NINE MONTHS AND TWELVE MONTHS, RESPECTIVELY. THE AWARD WAS GRANTED FOR THE CALENDAR YEAR OF 2014 BUT THE COMPANY PREVIOUSLY DID NOT FILE A FORM 4 ON BEHALF OF EACH BOARD OF DIRECTOR FOR THIS 2014 AWARD.</footnote>
        <footnote id="F2">INCLUDES 7,576 SHARES SUBJECT TO THE RESTRICTED STOCK UNIT AWARD WHICH WILL VEST IN FULL ON THE VESTING DATE.</footnote>
        <footnote id="F3">THIS REPRESENTS AN AWARD OF RESTRICTED STOCK UNITS. EACH UNIT WILL ENTITLE THE REPORTING PERSON TO ONE SHARE OF THE ISSUER'S COMMON STOCK UPON VESTING. THE UNITS WILL VEST IN FULL UPON THE EARLIER OF (I) THE REPORTING PERSON'S COMPLETION OF ONE YEAR OF SERVICE MEASURED FROM JUNE 10, 2014, OR SUCH INDIVIDUAL'S CONTINUATION IN BOARD SERVICE THROUGH THE DAY IMMEDIATELY PRECEDING THE 2015 ANNUAL SHAREHOLDERS MEETING (THE &quot;VESTING DATE&quot;).</footnote>
        <footnote id="F4">INCLUDES 500 SHARES SUBJECT TO THE REPORTED RESTRICTED STOCK UNIT AWARD WHICH WILL VEST IN FULL ON THE VESTING DATE.</footnote>
        <footnote id="F5">THE REPORTED STOCK OPTION WILL VEST IN FULL UPON THE EARLIER OF (I) THE REPORTING PERSON'S COMPLETION OF ONE YEAR OF SERVICE MEASURED FROM JUNE 10, 2014, OR (II) SUCH INDIVIDUAL'S CONTINUATION IN BOARD SERVICE THROUGH THE DAY IMMEDIATELY PRECEDING THE 2015 ANNUAL SHAREHOLDERS MEETING (THE &quot;VESTING DATE&quot;).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>ERIC OHWA ON BEHALF OF JOHN F RUFFLE</signatureName>
        <signatureDate>2014-06-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
