<SEC-DOCUMENT>0001104659-20-115837.txt : 20201019
<SEC-HEADER>0001104659-20-115837.hdr.sgml : 20201019
<ACCEPTANCE-DATETIME>20201019083058
ACCESSION NUMBER:		0001104659-20-115837
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201018
FILED AS OF DATE:		20201019
DATE AS OF CHANGE:		20201019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Tailwind Acquisition Corp.
		CENTRAL INDEX KEY:			0001814215
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39489
		FILM NUMBER:		201245310

	BUSINESS ADDRESS:	
		STREET 1:		1545 COURTNEY AVENUE
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90046
		BUSINESS PHONE:		212-909-3022

	MAIL ADDRESS:	
		STREET 1:		1545 COURTNEY AVENUE
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90046

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Tailwind Acquisition Corp.
		CENTRAL INDEX KEY:			0001814215
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1545 COURTNEY AVENUE
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90046
		BUSINESS PHONE:		212-909-3022

	MAIL ADDRESS:	
		STREET 1:		1545 COURTNEY AVENUE
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90046
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-10-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001814215</issuerCik>
        <issuerName>Tailwind Acquisition Corp.</issuerName>
        <issuerTradingSymbol>TWND</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001814215</rptOwnerCik>
            <rptOwnerName>Tailwind Acquisition Corp.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TAILWIND ACQUISITION CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>1545 COURTNEY AVE</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90046</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B common stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-10-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>269607</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>269607</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8355393</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4 reflects the automatic surrender to Tailwind Acquisition Corp. (the &quot;issuer&quot;) of 269,607 shares of the issuer's Class B common stock, par value $0.0001 per share, for no consideration by the reporting person pursuant to contractual arrangements with the issuer, triggered by the election by the underwriter of the issuer's initial public offering only to partially exercise its option to purchase additional units.</footnote>
        <footnote id="F2">As described in the issuer's registration statement on Form S-1 (File No. 333-248113) under the heading &quot;Description of Securities--Founder Shares&quot;, the shares of Class B common stock will automatically convert into shares of Class B common stock at the time of the issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to adjustment for share splits, share capitalizations, reorganizations, recapitalizations and the like, and certain anti-dilution rights and have no expiration date.</footnote>
        <footnote id="F3">Philip Krim controls the reporting person, and as such has voting and investment discretion with respect to the securities held by the reporting person and may be deemed to have beneficial ownership of the securities held directly by the reporting person. The business address of Mr. Krim is c/o Tailwind Acquisition Corp., 1545 Courtney Ave, Los Angeles, California 90046.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Philip Krim, as Authorized Signatory</signatureName>
        <signatureDate>2020-10-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
