<SEC-DOCUMENT>0001140361-14-045654.txt : 20141217
<SEC-HEADER>0001140361-14-045654.hdr.sgml : 20141217
<ACCEPTANCE-DATETIME>20141217171145
ACCESSION NUMBER:		0001140361-14-045654
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20141215
FILED AS OF DATE:		20141217
DATE AS OF CHANGE:		20141217

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADVANCED DRAINAGE SYSTEMS, INC.
		CENTRAL INDEX KEY:			0001604028
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTICS FOAM PRODUCTS [3086]
		IRS NUMBER:				510105665
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		4640 TRUEMAN BOULEVARD
		CITY:			HILLIARD
		STATE:			OH
		ZIP:			43026
		BUSINESS PHONE:		614-658-0050

	MAIL ADDRESS:	
		STREET 1:		4640 TRUEMAN BOULEVARD
		CITY:			HILLIARD
		STATE:			OH
		ZIP:			43026

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ASP ADS Investco, LLC
		CENTRAL INDEX KEY:			0001614813
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36557
		FILM NUMBER:		141293308

	BUSINESS ADDRESS:	
		STREET 1:		C/O AMERICAN SECURITIES LLC
		STREET 2:		299 PARK AVENUE, 34TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10171
		BUSINESS PHONE:		212 476-8000

	MAIL ADDRESS:	
		STREET 1:		C/O AMERICAN SECURITIES LLC
		STREET 2:		299 PARK AVENUE, 34TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10171
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>FORM 4
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    <periodOfReport>2014-12-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001604028</issuerCik>
        <issuerName>ADVANCED DRAINAGE SYSTEMS, INC.</issuerName>
        <issuerTradingSymbol>WMS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001614813</rptOwnerCik>
            <rptOwnerName>ASP ADS Investco, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN SECURITIES LLC</rptOwnerStreet1>
            <rptOwnerStreet2>299 PARK AVENUE, 34TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
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    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2014-12-15</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
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            <transactionAmounts>
                <transactionShares>
                    <value>1500000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.3469</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
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                    <value>7546908</value>
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                    <footnoteId id="F2"/>
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    <footnotes>
        <footnote id="F1">The shares are directly owned by ASP ADS Investco, LLC (&quot;ASPADS&quot;) and may also be deemed to be indirectly beneficially owned by: (i) American Securities Partners V, L.P., American Securities Partners V(B), L.P. and American Securities Partners V(C), L.P. (each, a &quot;Sponsor&quot;), the owners of membership interests in ASPADS; and (ii) American Securities Associates V, LLC (&quot;GP&quot;), the general partner of each Sponsor.  American Securities LLC provides investment advisory services to each Sponsor.</footnote>
        <footnote id="F2">Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of such Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.</footnote>
        <footnote id="F3">Sold pursuant to an exercise of underwriters' overallotment option.</footnote>
    </footnotes>

    <remarks>Exhibit 99.1 Joint Filer Information, incorporated herein by reference.</remarks>

    <ownerSignature>
        <signatureName>ASP ADS Investco, LLC By: ASP Manager Corp., its manager By: /s/ David Horing, Vice President</signatureName>
        <signatureDate>2014-12-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>American Securities Partners V, L.P. By: American Securities Associates V, LLC, its general partner By: /s/ David Horing, as Managing Member</signatureName>
        <signatureDate>2014-12-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>American Securities Partners V(B), L.P. By: American Securities Associates V, LLC, its general partner By: /s/ David Horing, as Managing Member</signatureName>
        <signatureDate>2014-12-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>American Securities Partners V(C), L.P. By: American Securities Associates V, LLC, its general partner By: /s/ David Horing, as Managing Member</signatureName>
        <signatureDate>2014-12-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>American Securities Associates V, LLC By:  /s/ David Horing, as Managing Member</signatureName>
        <signatureDate>2014-12-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>American Securities LLC By:  /s/ David Horing, as Managing Director</signatureName>
        <signatureDate>2014-12-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<TYPE>EX-99.1
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">10% Owner</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Advanced Drainage Systems, Inc. [WMS]</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">ASP ADS Investco, LLC</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Advanced Drainage Systems, Inc. [WMS]</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">10% Owner</font></div>
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<td valign="top" width="40%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 8pt">&#160; </font></td>
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