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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 AsA63knpyjGsx371R2RY9NWgKqAarEBoSBLxK8qusBAB6BZjkQviFPvZ03BLyEFW
 fTntTrqhDP58Uoo4nRs9ug==

<SEC-DOCUMENT>0001346550-05-000010.txt : 20051216
<SEC-HEADER>0001346550-05-000010.hdr.sgml : 20051216
<ACCEPTANCE-DATETIME>20051216083449
ACCESSION NUMBER:		0001346550-05-000010
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051214
FILED AS OF DATE:		20051216
DATE AS OF CHANGE:		20051216

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mantua Philip J
		CENTRAL INDEX KEY:			0001312729

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19065
		FILM NUMBER:		051268264

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		301.774.6400

	MAIL ADDRESS:	
		STREET 1:		SANDY SPRING BANK
		STREET 2:		17801 GEORGIA AVENUE
		CITY:			OLNEY
		STATE:			MD
		ZIP:			20832

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SANDY SPRING BANCORP INC
		CENTRAL INDEX KEY:			0000824410
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				520312970
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		17801 GEORGIA AVE
		CITY:			OLNEY
		STATE:			MD
		ZIP:			20832
		BUSINESS PHONE:		3017746400

	MAIL ADDRESS:	
		STREET 1:		17801 GEORGIA AVENUE
		CITY:			OLNEY
		STATE:			MD
		ZIP:			20832
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-12-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000824410</issuerCik>
        <issuerName>SANDY SPRING BANCORP INC</issuerName>
        <issuerTradingSymbol>SASR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001312729</rptOwnerCik>
            <rptOwnerName>Mantua Philip J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SANDY SPRING BANK</rptOwnerStreet1>
            <rptOwnerStreet2>17801 GEORGIA AVENUE</rptOwnerStreet2>
            <rptOwnerCity>OLNEY</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20832</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive Vice President/CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Options (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>38.13</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-12-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6395</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-12-14</value>
            </exerciseDate>
            <expirationDate>
                <value>2012-12-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6395</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6395</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <ownerSignature>
        <signatureName>Philip J. Mantua</signatureName>
        <signatureDate>2005-12-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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