FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public
Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

SPECTRUM PHARMACEUTICALS INC 		2. Issuer Name and Ticker or Trading Symbol

ALLOS THERAPEUTICS INC [ ALTH ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      __ X __ 10% Owner
_____ Officer (give title below)      _____ Other (specify below)
(Last)          (First)          (Middle)

11500 SOUTH EASTERN AVENUE, SUITE 240,  		3. Date of Earliest Transaction (MM/DD/YYYY)

9/5/2012
(Street)

HENDERSON, NV 89052
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

___ Form filed by One Reporting Person
_ X _ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   9/5/2012     P    130854840   (1) A $1.82   1000   (2) D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Explanation of Responses:
( 1)  Reflects all outstanding shares of Allos Therapeutics, Inc. ("Allos") not acquired in the tender offer described in the Tender Offer Statement on Schedule TO, as amended and supplemented, initially filed with the Securities and Exchange Commission on April 16, 2012 (the "Tender Offer") by Spectrum Pharmaceuticals, Inc. ("Spectrum") and Sapphire Acquisition Sub, Inc. ("Merger Sub"). On September 5, 2012, following completion of the Tender Offer, Allos merged with Merger Sub, with Allos surviving the merger as a wholly owned subsidiary of Spectrum pursuant to a "short-form merger" under Delaware law (the "Merger"). Outstanding shares of Allos not tendered in the Tender Offer are deemed acquired by Spectrum and Merger Sub upon consummation of the Merger.
( 2)  Prior to the Merger, Spectrum held 1,000 shares of the common stock of Merger Sub, which represented all of the issued and outstanding capital stock of Merger Sub. At the effective time of the Merger, each share of Merger Sub was converted into a share of Allos stock. At the effective time of the Merger, all shares of Allos issued and outstanding immediately prior to the effective time were cancelled as a result of the Merger, in effect cancelling all shares of Allos held by Merger Sub.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
SPECTRUM PHARMACEUTICALS INC
11500 SOUTH EASTERN AVENUE, SUITE 240
HENDERSON, NV 89052
X

SAPPHIRE ACQUISITION SUB, INC.
C/O SPECTRUM PHARMACEUTICALS, INC.
11500 SOUTH EASTERN AVENUE, SUITE 240
HENDERSON, NV 89052
X


Signatures
Spectrum Pharmaceuticals, Inc.., by /s/ Brett L. Scott 9/6/2012
** Signature of Reporting Person Date

Sapphire Acquisition Sub, Inc., by /s/ Brett L. Scott 9/6/2012
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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