<SEC-DOCUMENT>0001127602-14-015255.txt : 20140425
<SEC-HEADER>0001127602-14-015255.hdr.sgml : 20140425
<ACCEPTANCE-DATETIME>20140425180100
ACCESSION NUMBER:		0001127602-14-015255
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20140324
FILED AS OF DATE:		20140425
DATE AS OF CHANGE:		20140425

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CENTURY ALUMINUM CO
		CENTRAL INDEX KEY:			0000949157
		STANDARD INDUSTRIAL CLASSIFICATION:	PRIMARY PRODUCTION OF ALUMINUM [3334]
		IRS NUMBER:				133070826
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 SOUTH WACKER DRIVE
		STREET 2:		SUITE 1000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3126963101

	MAIL ADDRESS:	
		STREET 1:		1 SOUTH WACKER DRIVE
		STREET 2:		SUITE 1000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hoffman Robert F
		CENTRAL INDEX KEY:			0001603836

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34474
		FILM NUMBER:		14786738

	MAIL ADDRESS:	
		STREET 1:		1 S. WACKER DRIVE
		STREET 2:		SUITE 1000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>form4a.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2014-03-24</periodOfReport>

    <dateOfOriginalSubmission>2014-04-03</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0000949157</issuerCik>
        <issuerName>CENTURY ALUMINUM CO</issuerName>
        <issuerTradingSymbol>CENX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001603836</rptOwnerCik>
            <rptOwnerName>Hoffman Robert F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1 S. WACKER DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1000</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60606</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOther>1</isOther>
            <otherText>Principal Accounting Officer</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2014-03-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2451</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9192</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares of common stock acquired by the Reporting Person in connection with the Issuer's 2014-2016 Performance Share Program under a Rule 16b-3(d) plan, all of which will vest in the ordinary course on the last day of the Plan Period, December 31, 2016.</footnote>
        <footnote id="F2">Reports a correction in the number of shares granted to the Reporting Person.</footnote>
        <footnote id="F3">Includes unvested performance share units granted to the Reporting Person in connection with the Issuer's 2012-2015 and 2013-2016 Performance Share Programs under a Rule 16b-3(d) plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Morgan F. Walbridge, attorney-in-fact for Mr. Hoffman</signatureName>
        <signatureDate>2014-04-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>doc1.txt
<DESCRIPTION>POWER OF ATTORNEY (PUBLIC): POA - WALBRIDGE
<TEXT>
			POWER OF ATTORNEY


	KNOW ALL BY THESE PRESENTS, that the undersigned hereby
constitutes and appoints each of Jesse E. Gary and Morgan F.
Walbridge, signing singly, the undersigned's true and lawful
attorney-in-fact to:

	(1)	execute for and on behalf of the undersigned,
		in the undersigned's capacity as an officer and/or
		director of Century Aluminum Company (the
		"Company"), all filings in accordance with the
		Securities Exchange Act of 1934 and the rules
		thereunder;

	(2)	do and perform any and all acts for and on behalf
		of the undersigned which may be necessary or
		desirable to complete and execute any such filings
		in accordance with the Securities Exchange Act of
		1934 and the rules thereunder, complete and execute
		any amendment or amendments thereto, and timely
		file such filings with the United States Securities
		and Exchange Commission and any stock exchange or
		similar authority; and

	(3)	take any other action of any type whatsoever in
		connection with the foregoing which, in the opinion
		of such attorney-in-fact, may be of benefit to, in
		the best interest of, or legally required by, the
		undersigned, it being understood that the documents
		executed by such attorney-in-fact on behalf of the
		undersigned pursuant to this Power of Attorney
		shall be in such form and shall contain such terms
		and conditions as such attorney-in-fact may approve
		in such attorney-in-fact's discretion.


	The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform any and every act and thing
whatsoever requisite, necessary, or proper to be done in the exercise
of any of the rights and powers herein granted, as fully to all
intents and purposes as the undersigned might or could do if personally
present, with full power of substitution or revocation, hereby
ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or
cause to be done by virtue of this power of attorney and the rights and
powers herein granted.  The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with the Securities Exchange
Act of 1934.


	This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to execute such filings in
accordance with the Securities Exchange Act of 1934 and the rules
thereunder, unless earlier revoked by the undersigned in a signed
writing delivered to the foregoing attorneys-in-fact.


	IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 26th day of March, 2014.


/s/ Robert F. Hoffman
Signature



Robert F. Hoffman
Print Name
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
