<SEC-DOCUMENT>0001213900-13-007398.txt : 20131224
<SEC-HEADER>0001213900-13-007398.hdr.sgml : 20131224
<ACCEPTANCE-DATETIME>20131224154344
ACCESSION NUMBER:		0001213900-13-007398
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20130808
FILED AS OF DATE:		20131224
DATE AS OF CHANGE:		20131224

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Actinium Pharmaceuticals, Inc.
		CENTRAL INDEX KEY:			0001388320
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				880378336
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		501 FIFTH AVENUE, 3RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		212-300-2131

	MAIL ADDRESS:	
		STREET 1:		501 FIFTH AVENUE, 3RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Cactus Ventures, Inc.
		DATE OF NAME CHANGE:	20070130

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SETH SANDESH
		CENTRAL INDEX KEY:			0001566175

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-52446
		FILM NUMBER:		131297635

	MAIL ADDRESS:	
		STREET 1:		300 E 93RD STREET, #20-B
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10128
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>f4080813seth_actinium.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2013-08-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001388320</issuerCik>
        <issuerName>Actinium Pharmaceuticals, Inc.</issuerName>
        <issuerTradingSymbol>ATNM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001566175</rptOwnerCik>
            <rptOwnerName>SETH SANDESH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ACTINIUM PHARMACEUTICALS, INC</rptOwnerStreet1>
            <rptOwnerStreet2>501 FIFTH AVENUE, THIRD FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</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>Restricted Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2013-08-08</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.60</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">100% of the Restricted Stocks vests 12 months after the date of grant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Sandesh Seth</signatureName>
        <signatureDate>2013-12-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
