<SEC-DOCUMENT>0001567619-21-007773.txt : 20210407
<SEC-HEADER>0001567619-21-007773.hdr.sgml : 20210407
<ACCEPTANCE-DATETIME>20210407171543
ACCESSION NUMBER:		0001567619-21-007773
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210405
FILED AS OF DATE:		20210407
DATE AS OF CHANGE:		20210407

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ICAHN CARL C
		CENTRAL INDEX KEY:			0000921669
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09210
		FILM NUMBER:		21812966

	BUSINESS ADDRESS:	
		STREET 1:		C/O ICAHN ENTERPRISES L.P.
		STREET 2:		16690 COLLINS AVE., PH-1
		CITY:			SUNNY ISLES BEACH
		STATE:			FL
		ZIP:			33160
		BUSINESS PHONE:		305-422-4145

	MAIL ADDRESS:	
		STREET 1:		C/O ICAHN ENTERPRISES L.P.
		STREET 2:		16690 COLLINS AVE., PH-1
		CITY:			SUNNY ISLES BEACH
		STATE:			FL
		ZIP:			33160

	FORMER NAME:	
		FORMER CONFORMED NAME:	ICAHN CARL C ET AL
		DATE OF NAME CHANGE:	19950612

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ICAHN PARTNERS MASTER FUND LP
		CENTRAL INDEX KEY:			0001322827
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09210
		FILM NUMBER:		21812964

	BUSINESS ADDRESS:	
		STREET 1:		16690 COLLINS AVE.
		STREET 2:		PH
		CITY:			SUNNY ISLES
		STATE:			FL
		ZIP:			33160
		BUSINESS PHONE:		305-422-4000

	MAIL ADDRESS:	
		STREET 1:		16690 COLLINS AVE.
		STREET 2:		PH
		CITY:			SUNNY ISLES
		STATE:			FL
		ZIP:			33160

	FORMER NAME:	
		FORMER CONFORMED NAME:	Icahn Partners Master Fund LP
		DATE OF NAME CHANGE:	20050405

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ICAHN PARTNERS LP
		CENTRAL INDEX KEY:			0001313666
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09210
		FILM NUMBER:		21812965

	BUSINESS ADDRESS:	
		STREET 1:		16690 COLLINS AVE.
		STREET 2:		PH
		CITY:			SUNNY ISLES
		STATE:			FL
		ZIP:			33160
		BUSINESS PHONE:		305-422-4145

	MAIL ADDRESS:	
		STREET 1:		16690 COLLINS AVE.
		STREET 2:		PH
		CITY:			SUNNY ISLES
		STATE:			FL
		ZIP:			33160

	FORMER NAME:	
		FORMER CONFORMED NAME:	Icahn Partners L P
		DATE OF NAME CHANGE:	20050107

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OCCIDENTAL PETROLEUM CORP /DE/
		CENTRAL INDEX KEY:			0000797468
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				954035997
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5 GREENWAY PLAZA
		STREET 2:		SUITE 110
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77046
		BUSINESS PHONE:		7132157000

	MAIL ADDRESS:	
		STREET 1:		5 GREENWAY PLAZA
		STREET 2:		SUITE 110
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77046
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
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    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-04-05</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000797468</issuerCik>
        <issuerName>OCCIDENTAL PETROLEUM CORP /DE/</issuerName>
        <issuerTradingSymbol>OXY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000921669</rptOwnerCik>
            <rptOwnerName>ICAHN CARL C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ICAHN ASSOCIATES HOLDINGS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>16690 COLLINS AVENUE - PH-1</rptOwnerStreet2>
            <rptOwnerCity>SUNNY ISLES BEACH</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33160</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
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            <isDirector>0</isDirector>
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            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001313666</rptOwnerCik>
            <rptOwnerName>ICAHN PARTNERS LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>16690 COLLINS AVENUE - PH-1</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SUNNY ISLES BEACH</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33160</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
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            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001322827</rptOwnerCik>
            <rptOwnerName>ICAHN PARTNERS MASTER FUND LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>16690 COLLINS AVENUE - PH-1</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SUNNY ISLES BEACH</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33160</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-04-05</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3500000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>25.60</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>77127271</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Please see footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-04-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3500000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>25.70</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>73627271</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Please see footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On April 5, 2021, Icahn Partners LP (&quot;Icahn Partners&quot;) sold       2,045,696 Shares and Icahn Partners Master Fund LP (&quot;Icahn Master&quot;) sold 1,454,304 Shares. On  April 6, 2021, Icahn Partners LP (&quot;Icahn Partners&quot;) sold 2,039,372 Shares and Icahn Partners Master Fund LP (&quot;Icahn Master&quot;) sold 1,460,628  Shares. All such sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Carl C. Icahn and certain affiliates on March 12, 2021.</footnote>
        <footnote id="F2">As of April 6, 2021, Icahn Partners directly beneficially owns 43,037,232 Shares, and Icahn Master directly beneficially owns 30,590,039 Shares. In addition, Icahn Partners beneficially owns 11,286,856 Warrants to acquire Common Stock and Icahn Master beneficially owns 8,018,057 Warrants to acquire Common Stock.</footnote>
        <footnote id="F3">Beckton Corp. (&quot;Beckton&quot;) is the sole stockholder of Icahn Enterprises G.P. Inc. (&quot;Icahn Enterprises GP&quot;), which is the general partner of Icahn Enterprises Holdings L.P. (&quot;Icahn Enterprises Holdings&quot;). Icahn Enterprises Holdings is the sole member of IPH GP LLC (&quot;IPH&quot;), which is the general partner of Icahn Capital LP (&quot;Icahn Capital&quot;). Icahn Capital is the general partner of each of Icahn Onshore LP (&quot;Icahn Onshore&quot;) and Icahn Offshore LP (&quot;Icahn Offshore&quot;). Icahn Onshore is the general partner of Icahn Partners. Icahn Offshore is the general partner of Icahn Master.</footnote>
        <footnote id="F4">Beckton is 100 percent owned by Carl C. Icahn. As such, Mr. Icahn is in a position indirectly to determine the investment and voting decisions made by each of Icahn Partners and Icahn Master.</footnote>
        <footnote id="F5">Each of Icahn Onshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Shares which Icahn Partners owns. Each of Icahn Onshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn disclaims beneficial ownership of such Shares except to the extent of their pecuniary interest therein.</footnote>
        <footnote id="F6">Each of Icahn Offshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Shares which Icahn Master owns. Each of Icahn Offshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr. Icahn disclaims beneficial ownership of such Shares except to the extent of their pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/S/ Carl C. Icahn</signatureName>
        <signatureDate>2021-04-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/S/ Icahn Partners Master Fund LP</signatureName>
        <signatureDate>2021-04-07</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/S/ Icahn Partners L.P</signatureName>
        <signatureDate>2021-04-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
