Washington, D.C. 20549




Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934
(Amendment No.   )




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Filed by a Party other than the Registrant ☐

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  Preliminary Proxy Statement
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  Definitive Proxy Statement
  Definitive Additional Materials
  Soliciting Material under Rule 14a-12


Actinium Pharmaceuticals, Inc.

(Name of Registrant as Specified In Its Charter)



(Name of Person(s) Filing Proxy Statement, if other than the Registrant)


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Actinium Pharmaceuticals, Inc. (the “Company”) is providing shareholders with updated information relating to the quorum requirements described on pages 2-3 of the Company’s Proxy Statement filed on November 12, 2015.


Supplemental Information Regarding Quorum


On November 20, 2015, the Board of Directors of the Company amended its bylaws to reduce the quorum required for the Company’s annual meeting of stockholders, from a majority to thirty-four percent (34%) of the voting power of the shares of the Company. Therefore, thirty-four percent of the Company’s outstanding common shares as of the record date must be present at the annual meeting (in person or represented by proxy) in order to transact business.


This supplement should be considered in conjunction with the Proxy Statement.