<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-08-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000095301</issuerCik>
        <issuerName>SEQUA CORP /DE/</issuerName>
        <issuerTradingSymbol>SQAA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001015725</rptOwnerCik>
            <rptOwnerName>ALEXANDER NORMAN E/</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 PARK AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10166</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive Chairman</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-08-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>103195</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1942855</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote 2</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>51739</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares, which were previously reported as indirectly owned by Mr. Alexander through a grantor retained annuity trust (the &quot;GRAT&quot;), have been distributed in accordance with the terms of the GRAT.</footnote>
        <footnote id="F2">Indirect ownership by Fifty Broad Street, Inc. (14,297 shares), Forfed Corporation (1,743,143 shares), 42 New Street Inc. (45,000 shares) and YOUANDI Corp. (30,000 shares), all of which are controlled by Mr. Alexander as well as 110,415 shares held by the Norman E. Alexander Family Foundation.</footnote>
        <footnote id="F3">Includes 2,049 shares held in 401(k) Plan for Mr. Alexander's account as of July 31, 2006.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Diane C. Bunt, as attorney-in-fact for Norman E. Alexander</signatureName>
        <signatureDate>2006-08-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0202
4
2006-08-14
0
0000095301
SEQUA CORP /DE/
SQAA
0001015725
ALEXANDER NORMAN E/
200 PARK AVENUE
NEW YORK
NY
10166
1
1
1
0
Executive Chairman
Class A Common Stock
2006-08-14
5
G
0
E
103195
0
D
1942855
I
See footnote 2
Class A Common Stock
51739
D
These shares, which were previously reported as indirectly owned by Mr. Alexander through a grantor retained annuity trust (the "GRAT"), have been distributed in accordance with the terms of the GRAT.
Indirect ownership by Fifty Broad Street, Inc. (14,297 shares), Forfed Corporation (1,743,143 shares), 42 New Street Inc. (45,000 shares) and YOUANDI Corp. (30,000 shares), all of which are controlled by Mr. Alexander as well as 110,415 shares held by the Norman E. Alexander Family Foundation.
Includes 2,049 shares held in 401(k) Plan for Mr. Alexander's account as of July 31, 2006.
/s/ Diane C. Bunt, as attorney-in-fact for Norman E. Alexander
2006-08-15