<SEC-DOCUMENT>0000899243-18-015753.txt : 20180608
<SEC-HEADER>0000899243-18-015753.hdr.sgml : 20180608
<ACCEPTANCE-DATETIME>20180608161815
ACCESSION NUMBER:		0000899243-18-015753
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180606
FILED AS OF DATE:		20180608
DATE AS OF CHANGE:		20180608

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carmichael Bandwidth LLC
		CENTRAL INDEX KEY:			0001721937
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38285
		FILM NUMBER:		18889688

	BUSINESS ADDRESS:	
		STREET 1:		C/O CARMICHAEL INVESTMENT PARTNERS, LLC
		STREET 2:		4725 PIEDMONT ROW DRIVE, SUITE 210
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28210
		BUSINESS PHONE:		(704) 325-2255

	MAIL ADDRESS:	
		STREET 1:		C/O CARMICHAEL INVESTMENT PARTNERS, LLC
		STREET 2:		4725 PIEDMONT ROW DRIVE, SUITE 210
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28210

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bailey Brian D.
		CENTRAL INDEX KEY:			0001575505

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38285
		FILM NUMBER:		18889689

	MAIL ADDRESS:	
		STREET 1:		712 FIFTH AVENUE
		STREET 2:		9TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Martin Kevin J
		CENTRAL INDEX KEY:			0001567046

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38285
		FILM NUMBER:		18889690

	MAIL ADDRESS:	
		STREET 1:		ONE RIVERFRONT PLAZA
		CITY:			CORNING
		STATE:			NY
		ZIP:			14831

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carmichael Partners LLC
		CENTRAL INDEX KEY:			0001722003
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38285
		FILM NUMBER:		18889691

	BUSINESS ADDRESS:	
		STREET 1:		C/O CARMICHAEL INVESTMENT PARTNERS, LLC
		STREET 2:		4725 PIEDMONT ROW DRIVE, SUITE 210
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28210
		BUSINESS PHONE:		(704) 325-2255

	MAIL ADDRESS:	
		STREET 1:		C/O CARMICHAEL INVESTMENT PARTNERS, LLC
		STREET 2:		4725 PIEDMONT ROW DRIVE, SUITE 210
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28210

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carmichael Investment Partners, LLC
		CENTRAL INDEX KEY:			0001513802
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38285
		FILM NUMBER:		18889692

	BUSINESS ADDRESS:	
		STREET 1:		6000 FAIRVIEW ROAD
		STREET 2:		SUITE 1200
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28210
		BUSINESS PHONE:		704-422-4008

	MAIL ADDRESS:	
		STREET 1:		6000 FAIRVIEW ROAD
		STREET 2:		SUITE 1200
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28210

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carmichael Investment Partners II, LLC
		CENTRAL INDEX KEY:			0001562063
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38285
		FILM NUMBER:		18889693

	BUSINESS ADDRESS:	
		STREET 1:		4725 PIEDMONT ROW DRIVE
		STREET 2:		SUITE 210
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28210
		BUSINESS PHONE:		704-442-4008

	MAIL ADDRESS:	
		STREET 1:		4725 PIEDMONT ROW DRIVE
		STREET 2:		SUITE 210
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28210

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carmichael Investment Partners III, LLC
		CENTRAL INDEX KEY:			0001592580
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38285
		FILM NUMBER:		18889694

	BUSINESS ADDRESS:	
		STREET 1:		4725 PIEDMONT ROW DRIVE
		STREET 2:		SUITE 210
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28210
		BUSINESS PHONE:		704-442-4008

	MAIL ADDRESS:	
		STREET 1:		4725 PIEDMONT ROW DRIVE
		STREET 2:		SUITE 210
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28210

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Bandwidth Inc.
		CENTRAL INDEX KEY:			0001514416
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		900 MAIN CAMPUS DRIVE
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27606
		BUSINESS PHONE:		919-439-4171

	MAIL ADDRESS:	
		STREET 1:		900 MAIN CAMPUS DRIVE
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Bandwidth.com, Inc.
		DATE OF NAME CHANGE:	20110303
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>FORM 4 SUBMISSION
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    <periodOfReport>2018-06-06</periodOfReport>

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    <issuer>
        <issuerCik>0001514416</issuerCik>
        <issuerName>Bandwidth Inc.</issuerName>
        <issuerTradingSymbol>BAND</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001721937</rptOwnerCik>
            <rptOwnerName>Carmichael Bandwidth LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CARMICHAEL PARTNERS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>4725 PIEDMONT ROW DR, STE 210</rptOwnerStreet2>
            <rptOwnerCity>CHARLOTTE</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>28210</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
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            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001575505</rptOwnerCik>
            <rptOwnerName>Bailey Brian D.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CARMICHAEL INVESTMENT PARTNERS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>4725 PIEDMONT ROW DRIVE, SUITE 210</rptOwnerStreet2>
            <rptOwnerCity>CHARLOTTE</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>28210</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001567046</rptOwnerCik>
            <rptOwnerName>Martin Kevin J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CARMICHAEL INVESTMENT PARTNERS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>4725 PIEDMONT ROW DRIVE, SUITE 210</rptOwnerStreet2>
            <rptOwnerCity>CHARLOTTE</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>28210</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001722003</rptOwnerCik>
            <rptOwnerName>Carmichael Partners LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CARMICHAEL INVESTMENT PARTNERS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>4725 PIEDMONT ROW DRIVE, SUITE 210</rptOwnerStreet2>
            <rptOwnerCity>CHARLOTTE</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>28210</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001513802</rptOwnerCik>
            <rptOwnerName>Carmichael Investment Partners, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CARMICHAEL INVESTMENT PARTNERS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>4725 PIEDMONT ROW DRIVE, SUITE 210</rptOwnerStreet2>
            <rptOwnerCity>CHARLOTTE</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>28210</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001562063</rptOwnerCik>
            <rptOwnerName>Carmichael Investment Partners II, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CARMICHAEL INVESTMENT PARTNERS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>4725 PIEDMONT ROW DRIVE, SUITE 210</rptOwnerStreet2>
            <rptOwnerCity>CHARLOTTE</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>28210</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001592580</rptOwnerCik>
            <rptOwnerName>Carmichael Investment Partners III, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CARMICHAEL INVESTMENT PARTNERS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>4725 PIEDMONT ROW DRIVE, SUITE 210</rptOwnerStreet2>
            <rptOwnerCity>CHARLOTTE</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>28210</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-06-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1781874</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1784650</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-06-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1781874</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1781874</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>310464</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Consists of 1,781,874 shares of Class A Common Stock held by Carmichael Investment Partners LLC (&quot;CIP&quot;) and 2,776 shares of Class A Common Stock held directly by Brian D. Bailey.</footnote>
        <footnote id="F2">Pursuant to an agreement between Mr. Bailey and Carmichael Partners LLC, Carmichael Partners LLC is entitled to all economic benefits of the shares held by Mr. Bailey.</footnote>
        <footnote id="F3">The shares of Class B common stock are convertible in to Class A common stock on a 1-to-1 basis at the option of the holder and have no expiration date.</footnote>
        <footnote id="F4">Consists of (i) 178,572 shares of Class B common stock held by Carmichael Investment Partners II, LLC (&quot;CIP II&quot;), (ii) 123,142 shares of Class B common stock held by Carmichael Investment Partners III, LLC (&quot;CIP III&quot; and, together with CIP and CIP II, the &quot;Carmichael Entities&quot;) and (iii) 8,750 shares of Class B common stock held by Carmichael Partners LLC.</footnote>
        <footnote id="F5">Carmichael Bandwidth LLC is the managing member of each of the Carmichael Entities. Brian D. Bailey and Kevin J. Martin are the managing partners of Carmichael Bandwidth LLC and Carmichael Partners LLC and share voting and dispositive power with respect to the shares held by the Carmichael Entities and Carmichael Partners LLC. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its or their pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Brian D. Bailey</signatureName>
        <signatureDate>2018-06-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ W. Christopher Matton, Attorney-in-Fact for Kevin J. Martin</signatureName>
        <signatureDate>2018-06-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Carmichael Bandwidth LLC By: /s/ Brian D. Bailey, Managing Partner</signatureName>
        <signatureDate>2018-06-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Carmichael Partners LLC By: /s/ Brian D. Bailey, Managing Partner</signatureName>
        <signatureDate>2018-06-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Carmichael Investment Partners LLC,  By: Carmichael Bandwidth LLC, its managing member, By: /s/ Brian D. Bailey, Managing Partner</signatureName>
        <signatureDate>2018-06-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Carmichael Investment Partners II, LLC, By: Carmichael Bandwidth LLC, its managing member, By: /s/ Brian D. Bailey, Managing Partner</signatureName>
        <signatureDate>2018-06-08</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Carmichael Investment Partners III, LLC, By: Carmichael Bandwidth LLC, its managing member, By: /s/ Brian D. Bailey, Managing Partner</signatureName>
        <signatureDate>2018-06-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
