<SUBMISSION>
<ACCESSION-NUMBER>0001140361-10-029389
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20100713
<FILING-DATE>20100714
<DATE-OF-FILING-DATE-CHANGE>20100714
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>BIDERMAN MARK C
<CIK>0001263606
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-32169
<FILM-NUMBER>10952714
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>NATIONAL FINANCIAL PARTNERS CORP
<STREET2>340 MADISON AVENUE, 19TH FL
<CITY>NEW YORK
<STATE>NY
<ZIP>10173
</MAIL-ADDRESS>
<FORMER-NAME>
<FORMER-CONFORMED-NAME>BIDERMAN MARC C
<DATE-CHANGED>20030912
</FORMER-NAME>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>ATLAS ENERGY, INC.
<CIK>0001279228
<ASSIGNED-SIC>4922
<IRS-NUMBER>510404430
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>WESTPOINTE CORPORATE CENTER ONE
<STREET2>1550 CORAOPOLIS HEIGHTS RD. 2ND. FLOOR
<CITY>MOONTOWNSHIP
<STATE>PA
<ZIP>15108
<PHONE>412-262-2830
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>WESTPOINTE CORPORATE CENTER ONE
<STREET2>1550 CORAOPOLIS HEIGHTS RD. 2ND. FLOOR
<CITY>MOONTOWNSHIP
<STATE>PA
<ZIP>15108
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>ATLAS AMERICA INC
<DATE-CHANGED>20040209
</FORMER-COMPANY>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-07-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001279228</issuerCik>
        <issuerName>ATLAS ENERGY, INC.</issuerName>
        <issuerTradingSymbol>ATLS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001263606</rptOwnerCik>
            <rptOwnerName>BIDERMAN MARK C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1845 WALNUT STREET, 10TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-07-13</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>503</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13395</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The undersigned is a participant in the Atlas Energy, Inc. (the &quot;Company&quot;) 2004 Stock Incentive Plan (the &quot;Plan&quot;).  The undersigned received 503 deferred units under the Plan on July 13, 2010.  Each deferred unit, upon vesting, converts into one share of Company common stock.  The deferred units are receivable on account of the undersigned's service as a non-employee director and without additional consideration.</footnote>
        <footnote id="F2">Includes 1,395 deferred units issued pursuant to the Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Lisa Washington, Attorney-in-Fact</signatureName>
        <signatureDate>2010-07-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
