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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2020-10-06</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000320121</issuerCik>
        <issuerName>TELOS CORP</issuerName>
        <issuerTradingSymbol>TLSRP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001541536</rptOwnerCik>
            <rptOwnerName>Minerva Advisors LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>50 MONUMENT ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 201</rptOwnerStreet2>
            <rptOwnerCity>BALA CYNWYD</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Member of 10% Group</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001214692</rptOwnerCik>
            <rptOwnerName>MINERVA GROUP L P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>50 MONUMENT ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 201</rptOwnerStreet2>
            <rptOwnerCity>BALA CYNWYD</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Member of 10% Group</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001828277</rptOwnerCik>
            <rptOwnerName>Minerva GP, LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>50 MONUMENT ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 201</rptOwnerStreet2>
            <rptOwnerCity>BALA CYNWYD</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Member of 10% Group</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001828276</rptOwnerCik>
            <rptOwnerName>Minerva GP, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>50 MONUMENT ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 201</rptOwnerStreet2>
            <rptOwnerCity>BALA CYNWYD</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Member of 10% Group</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001829583</rptOwnerCik>
            <rptOwnerName>Cohen David P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>50 MONUMENT ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 201</rptOwnerStreet2>
            <rptOwnerCity>BALA CYNWYD</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Member of 10% Group</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Preferred Stock, par value $.01 per share</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>122608</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote (2)</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Preferred Stock, par value $.01 per share</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>153343</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote (3)</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Preferred Stock, par value $.01 per share</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7433</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote (4)</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">12% Cumulative Exchangeable Redeemable Preferred Stock, par value $.01 per share (the &quot;Preferred Stock&quot;), of Telos Corporation (TLSRP) (&quot;Telos&quot;).</footnote>
        <footnote id="F2">Minerva Advisors LLC (&quot;Minerva Advisors&quot;) beneficially owns 122,608 shares of Preferred Stock. David P. Cohen, as President and sole member of Minerva Advisors, is also deemed the beneficial owner of such 122,608 shares of Preferred Stock.</footnote>
        <footnote id="F3">Minerva Group, LP (&quot;Minerva Group&quot;) is the direct beneficial owner of 153,343 shares of Preferred Stock.  Minerva GP, LP (&quot;Minerva GP&quot;), as the General Partner of Minerva Group, Minerva GP, Inc. (&quot;Minerva Inc&quot;), as the General Partner of Minerva GP, David P. Cohen, as President and sole owner of Minerva Inc, and Minerva Advisers, as the investment adviser to Minerva Group, are also deemed the beneficial owner of such 153,343 shares of Preferred Stock.</footnote>
        <footnote id="F4">David P. Cohen is the direct beneficial owner of 7,433 shares of Preferred Stock.  Mr. Cohen, as the President of Minerva Advisors, is also the indirect beneficial owner of the 122,608 shares of Preferred Stock beneficially owned by Minerva Advisors; and, as the President of Minerva Group, is also the indirect beneficial owner of the 153,343 shares of Preferred Stock beneficially owned by Minerva Group.</footnote>
    </footnotes>

    <remarks>On October 6, 2020, Minerva Advisors, Minerva Group, Minerva GP, Minerva Inc and David P. Cohen (collectively, the &quot;Reporting Persons&quot;) entered into a voting and support agreement with Telos and certain other holders of the Preferred Stock representing in the aggregate approximately 32% of the outstanding shares of Preferred Stock. No other transaction is reported herein.

The Reporting Persons disclaim beneficial ownership of the securities described in this statement, except to the extent of their individual pecuniary interest in such securities. The filing of his statement shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owner of any securities specified in this statement.</remarks>

    <ownerSignature>
        <signatureName>Minerva Advisors LLC, by /s/David P. Cohen, President</signatureName>
        <signatureDate>2020-10-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Minerva Group, LP, by Minerva GP, LP, its GP, by Minerva GP, Inc., its GP, by /s/David P. Cohen, President</signatureName>
        <signatureDate>2020-10-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Minerva GP, LP, by Minerva GP, Inc., its GP, by /s/David P. Cohen, President</signatureName>
        <signatureDate>2020-10-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Minerva GP, Inc., by /s/David P. Cohen, President</signatureName>
        <signatureDate>2020-10-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/David P. Cohen</signatureName>
        <signatureDate>2020-10-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
