<SEC-DOCUMENT>0000899243-21-037514.txt : 20210923
<SEC-HEADER>0000899243-21-037514.hdr.sgml : 20210923
<ACCEPTANCE-DATETIME>20210923213022
ACCESSION NUMBER:		0000899243-21-037514
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210330
FILED AS OF DATE:		20210923
DATE AS OF CHANGE:		20210923

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vuong Hoang
		CENTRAL INDEX KEY:			0001883031

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40817
		FILM NUMBER:		211273884

	MAIL ADDRESS:	
		STREET 1:		C/O AMPLITUDE, INC.
		STREET 2:		201 THIRD STREET, SUITE 200
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94103

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Amplitude, Inc.
		CENTRAL INDEX KEY:			0001866692
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		201 THIRD STREET, SUITE 200
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94103
		BUSINESS PHONE:		510 473-5668

	MAIL ADDRESS:	
		STREET 1:		201 THIRD STREET, SUITE 200
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94103
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7375</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>278251</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will convert automatically into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions or (b) the date that is six months following the date on which none of the Issuer's founders is an employee or director of the Issuer (unless a founder has rejoined the Issuer during such six-month period).</footnote>
        <footnote id="F2">Transaction being reported herein pursuant to Rule 16a-2(a).</footnote>
        <footnote id="F3">1/48th of the shares subject to the option vest on each monthly anniversary measured from June 4, 2019 (the &quot;Vesting Commencement Date&quot;), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.</footnote>
        <footnote id="F4">The option is early exercisable.  1/48th of the shares subject to the option vest on each monthly anniversary measured from April 29, 2019 (the &quot;Vesting Commencement Date&quot;), such that 100% of the shares subject to the option will be fully vested on the fourth anniversary of the Vesting Commencement Date.</footnote>
        <footnote id="F5">In connection with the reclassification of the Issuer's Common Stock on August 30, 2021, each share of Common Stock held by the Reporting Person was automatically reclassified as Class B Common Stock.</footnote>
        <footnote id="F6">The securities were sold in a private secondary sale transaction.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Hoang Vuong</signatureName>
        <signatureDate>2021-09-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
