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

    <schemaVersion>X0304</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-12-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001057706</issuerCik>
        <issuerName>FIRST BANCORP /PR/</issuerName>
        <issuerTradingSymbol>FBP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001264367</rptOwnerCik>
            <rptOwnerName>HARMON MICHAEL P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532824</rptOwnerCik>
            <rptOwnerName>Oaktree Principal Fund V (Delaware), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532821</rptOwnerCik>
            <rptOwnerName>Oaktree FF Investment Fund AIF (Delaware), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532822</rptOwnerCik>
            <rptOwnerName>Oaktree Fund AIF Series, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532818</rptOwnerCik>
            <rptOwnerName>Oaktree Fund GP AIF, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532823</rptOwnerCik>
            <rptOwnerName>Oaktree Fund GP III, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532820</rptOwnerCik>
            <rptOwnerName>Oaktree AIF Investments, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532819</rptOwnerCik>
            <rptOwnerName>Oaktree AIF Holdings, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OAKTREE CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>333 SOUTH GRAND AVENUE, 28TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Rights to Purchase Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.50</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2011-12-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>544999</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2011-12-16</value>
            </exerciseDate>
            <expirationDate>
                <value>2011-12-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, par value $.10 per share</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>544999</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>544999</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4 is being filed with respect to rights to purchase up to an aggregate of 544,999 shares of the Issuer's common stock, par value $0.10 per share (&quot;Common Stock&quot;), of which (a) rights to purchase up to an aggregate of 450,878 shares of Common Stock are held by Oaktree Principal Fund V (Delaware), L.P. (the &quot;PF V Fund&quot;) and (b) rights to purchase up to an aggregate of 94,121 shares of Common Stock are directly owned by Oaktree FF Investment Fund AIF (Delaware), L.P. (the &quot;AIF Fund&quot;), which rights to purchase are pursuant to anti-dilution rights under the investment agreement with the Issuer and arising from the Issuer's recent rights offering.</footnote>
        <footnote id="F2">This Form 4 is being filed by Michael P. Harmon and by (i) Oaktree Capital Group Holdings GP, LLC (&quot;OCGH GP&quot;), in its capacity as the general partner of Oaktree Capital Group Holdings, L.P. (&quot;OCGH LP&quot;), (ii) OCGH LP, in its capacity as the majority holder of the voting units of Oaktree Capital Group, LLC (&quot;OCG&quot;) and the controlling shareholder of Oaktree AIF Holdings, Inc. (&quot;Oaktree AIF Holdings&quot;), (iii) OCG, in its capacity as managing member of Oaktree Holdings, LLC (&quot;Oaktree Holdings&quot;), (iv) Oaktree Holdings, in its capacity as managing member of OCM Holdings I, LLC (&quot;Oaktree Holdings I&quot;), (v) Oaktree Holdings I, in its capacity as general partner of Oaktree Capital I, L.P. (&quot;Oaktree Capital I&quot;), (vi) Oaktree Capital I, in its capacity as general partner of Oaktree Fund GP I, L.P. (&quot;Oaktree Fund GP I&quot;), (vii) Oaktree Fund GP I, in its capacity as managing member of Oaktree Fund GP, LLC (&quot;Oaktree Fund GP&quot;), (viii) Oaktree Fund GP, in its capacity as general partner of the PF V Fund,</footnote>
        <footnote id="F3">(ix) Oaktree AIF Holdings, in its capacity as general partner of Oaktree AIF Investments, L.P. (&quot;Oaktree AIF Investments&quot;), (x) Oaktree AIF Investments, in its capacity as general partner of Oaktree Fund GP III, L.P. (&quot;Oaktree GP III&quot;), (xi) Oaktree GP III, in its capacity as sole member of Oaktree Fund GP AIF, LLC (&quot;Oaktree GP AIF&quot;), (xii) Oaktree GP AIF, in its capacity as general partner of Oaktree Fund AIF Series, L.P. - Series I (&quot;Oaktree AIF&quot; and, together with OCGH GP, OCGH LP, OCG,  Oaktree Holdings, Oaktree Holdings I, Oaktree Capital I, Oaktree Fund GP I, Oaktree Fund GP, Oaktree AIF Holdings, Oaktree AIF Investments, Oaktree GP III and Oaktree GP AIF, collectively, the &quot;Reporting Persons&quot;), and (xiii) Oaktree AIF, in its capacity as general partner of the AIF Fund.</footnote>
        <footnote id="F4">By virtue of Mr. Harmon's voting and investment authority with respect to Oaktree Fund GP I and Oaktree GP III, Mr. Harmon may be deemed to have a beneficial ownership interest in the securities reported herein. Each of OCGH GP and OCGH LP may be deemed to have a beneficial ownership interest in the rights to purchase up to an aggregate of 544,999 shares of Common Stock that are held and collectively owned by the PF V Fund and the AIF Fund.  Each of OCG, Oaktree Holdings, Oaktree Holdings I, Oaktree Capital I, Oaktree Fund GP I and Oaktree Fund GP may be deemed to have a beneficial ownership interest in the rights to purchase up to an aggregate of 450,878 shares of Common Stock that are held by the PF V Fund.  Each of Oaktree AIF Holdings, Oaktree AIF Investments, Oaktree GP III, Oaktree GP AIF and Oaktree AIF may be deemed to have a beneficial ownership interest in the rights to purchase up to an aggregate of 94,121 shares of Common Stock that are held directly by the AIF Fund.</footnote>
        <footnote id="F5">Information with respect to each Reporting Person is given solely by such Reporting Person, and no such Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.  Each Reporting Person disclaims beneficial ownership of all shares reported herein except to the extent of their respective pecuniary interest therein and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any shares covered by this Form 4.</footnote>
        <footnote id="F6">OCGH GP is a limited liability company managed by an executive committee, the members of which are Howard S. Marks, Bruce A. Karsh, John B. Frank, David M. Kirchheimer, Sheldon M. Stone, Larry W. Keele, Stephen A. Kaplan and Kevin L. Clayton (the &quot;OCGH GP Members&quot;). In such capacity, the OCGH GP Members may be deemed indirect beneficial owners of the securities reported herein. Except to the extent of their respective pecuniary interest, Mr. Harmon and each OCGH GP Member disclaims beneficial ownership of the securities reported herein and the filing of this Form 4 shall not be construed as an admission that any such person is the beneficial owner of any securities covered by this Form 4.</footnote>
    </footnotes>

    <remarks>This Form 4 is being filed in two parts due to the large number of reporting persons. This filing is being filed by Michael P. Harmon, Oaktree Principal Fund V (Delaware), L.P., Oaktree FF Investment Fund AIF (Delaware), L.P., Oaktree Fund AIF Series, L.P. - Series I, Oaktree Fund GP AIF, LLC, Oaktree Fund GP III, L.P. and Oaktree AIF Holdings, Inc.  An accompanying filing is being filed on the date hereof by Oaktree Capital Group Holdings GP, LLC, Oaktree Capital Group Holdings, L.P., Oaktree Capital Group, LLC, Oaktree Holdings, LLC, OCM Holdings I, LLC, Oaktree Capital I, L.P., Oaktree Fund GP I, L.P. and Oaktree Fund GP, LLC.  All filings relate to the same holdings described above.</remarks>

    <ownerSignature>
        <signatureName>See Signatures Included in Exhibit 99.1</signatureName>
        <signatureDate>2011-12-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
