Schedule 13G Amendment No. 1

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

SCHEDULE 13G/A

 

Under the Securities Exchange Act of 1934

(Amendment No. 1)*

 

 

Alexion Pharmaceuticals Inc.


(Name of Issuer)

COMMON STOCK


(Title of Class of Securities)

 

 

015351109

                                (CUSIP Number)                                

February 21, 2006


(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

¨ Rule 13d-1(b)

x Rule 13d-1(c)

¨ Rule 13d-1(d)

 

*   The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).


CUSIP No. 015351109     Page 2 of 23 Pages

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

   
                Atlas Master Fund, Ltd.    
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  
  (a)  ¨  
    (b)  ¨    
  3   SEC USE ONLY  
         
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
                Cayman Islands    

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

    5    SOLE VOTING POWER
 
                  89,878 (See Item 4)
    6    SHARED VOTING POWER
 
                  None
    7    SOLE DISPOSITIVE POWER
 
                  89,878 (See Item 4)
    8    SHARED DISPOSITIVE POWER
 
                  None
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    
                89,878 (See Item 4)    
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*   ¨
                Not Applicable    
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
                .29%    
12   TYPE OF REPORTING PERSON*  
                CO    

 

* SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 015351109     Page 3 of 23 Pages

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

   
                Atlas Global, LLC    
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  
  (a)  ¨  
    (b)  ¨    
  3   SEC USE ONLY  
         
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
                Delaware    

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

    5    SOLE VOTING POWER
 
                  None
    6    SHARED VOTING POWER
 
                  89,878 (See Item 4)
    7    SOLE DISPOSITIVE POWER
 
                  None
    8    SHARED DISPOSITIVE POWER
 
                  89,878 (See Item 4)
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    
                89,878 (See Item 4)    
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*   ¨
                Not Applicable    
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
                .29%    
12   TYPE OF REPORTING PERSON*  
                OO    

 

* SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 015351109     Page 4 of 23 Pages

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

   
                Atlas Global Investments, Ltd.    
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  
  (a)  ¨  
    (b)  ¨    
  3   SEC USE ONLY  
         
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
                Cayman Islands    

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

    5    SOLE VOTING POWER
 
                  None
    6    SHARED VOTING POWER
 
                  89,878 (See Item 4)
    7    SOLE DISPOSITIVE POWER
 
                  None
    8    SHARED DISPOSITIVE POWER
 
                  89,878 (See Item 4)
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    
                89,878 (See Item 4)    
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*   ¨
                Not Applicable    
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
                .29%    
12   TYPE OF REPORTING PERSON*  
                CO    

 

* SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 015351109     Page 5 of 23 Pages

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

   
                Atlas Global Investments II, Ltd.    
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  
  (a)  ¨  
    (b)  ¨    
  3   SEC USE ONLY  
         
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
                Cayman Islands    

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

    5    SOLE VOTING POWER
 
                  None
    6    SHARED VOTING POWER
 
                  89,878 (See Item 4)
    7    SOLE DISPOSITIVE POWER
 
                  None
    8    SHARED DISPOSITIVE POWER
 
                  89,878 (See Item 4)
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    
                89,878 (See Item 4)    
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*   ¨
                Not Applicable    
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
                .29%    
12   TYPE OF REPORTING PERSON*  
                CO    

 

* SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 015351109     Page 6 of 23 Pages

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

   
                Visium Balanced Fund, LP    
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  
  (a)  ¨  
    (b)  ¨    
  3   SEC USE ONLY  
         
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
                Delaware    

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

    5    SOLE VOTING POWER
 
                  None
    6    SHARED VOTING POWER
 
                  483,018 (See Item 4)
    7    SOLE DISPOSITIVE POWER
 
                  None
    8    SHARED DISPOSITIVE POWER
 
                  483,018 (See Item 4)
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    
                483,018 (See Item 4)    
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*   ¨
                Not Applicable    
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
                1.56%    
12   TYPE OF REPORTING PERSON*  
                OO    

 

* SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 015351109     Page 7 of 23 Pages

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

   
                Visium Long Bias Fund, LP    
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  
  (a)  ¨  
    (b)  ¨    
  3   SEC USE ONLY  
         
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
                Delaware    

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

    5    SOLE VOTING POWER
 
                  None
    6    SHARED VOTING POWER
 
                  78,808 (See Item 4)
    7    SOLE DISPOSITIVE POWER
 
                  None
    8    SHARED DISPOSITIVE POWER
 
                  78,808 (See Item 4)
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    
                78,808 (See Item 4)    
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*   ¨
                Not Applicable    
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
                .25%    
12   TYPE OF REPORTING PERSON*  
                OO    

 

* SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 015351109     Page 8 of 23 Pages

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

   
                Visium Balanced Offshore Fund, Ltd.    
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  
  (a)  ¨  
    (b)  ¨    
  3   SEC USE ONLY  
         
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
                Cayman Islands    

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

    5    SOLE VOTING POWER
 
                  None
    6    SHARED VOTING POWER
 
                  373,509 (See Item 4)
    7    SOLE DISPOSITIVE POWER
 
                  None
    8    SHARED DISPOSITIVE POWER
 
                  373,509 (See Item 4)
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    
                373,509 (See Item 4)    
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*   ¨
                Not Applicable    
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
                1.21%    
12   TYPE OF REPORTING PERSON*  
                CO    

 

* SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 015351109     Page 9 of 23 Pages

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

   
                Visium Balanced Long Bias Fund, Ltd.    
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  
  (a)  ¨  
    (b)  ¨    
  3   SEC USE ONLY  
         
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
                Cayman Islands    

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

    5    SOLE VOTING POWER
 
                  None
    6    SHARED VOTING POWER
 
                  327,698 (See Item 4)
    7    SOLE DISPOSITIVE POWER
 
                  None
    8    SHARED DISPOSITIVE POWER
 
                  327,698 (See Item 4)
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    
                327,698 (See Item 4)    
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*   ¨
                Not Applicable    
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
                1.06%    
12   TYPE OF REPORTING PERSON*  
                CO    

 

* SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 015351109     Page 10 of 23 Pages

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

   
                Visium Capital Management, LLC    
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  
  (a)  ¨  
    (b)  ¨    
  3   SEC USE ONLY  
         
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
                Delaware    

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

    5    SOLE VOTING POWER
 
                  None
    6    SHARED VOTING POWER
 
                  1,263,033 (See Item 4)
    7    SOLE DISPOSITIVE POWER
 
                  None
    8    SHARED DISPOSITIVE POWER
 
                  1,263,033 (See Item 4)
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    
                1,263,033 (See Item 4)    
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*   ¨
                Not Applicable    
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
                4.09%    
12   TYPE OF REPORTING PERSON*  
                OO    

 

* SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 015351109     Page 11 of 23 Pages

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

   
                Balyasny Asset Management L.P.    
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  
  (a)  ¨  
    (b)  ¨    
  3   SEC USE ONLY  
         
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
                Delaware    

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

    5    SOLE VOTING POWER
 
                  89,878 (See Item 4)
    6    SHARED VOTING POWER
 
                  1,263,033 (See Item 4)
    7    SOLE DISPOSITIVE POWER
 
                  89,878 (See Item 4)
    8    SHARED DISPOSITIVE POWER
 
                  1,263,033 (See Item 4)
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    
                1,352,911 (See Item 4)    
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*   ¨
                Not Applicable    
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
                4.38%    
12   TYPE OF REPORTING PERSON*  
                OO    

 

* SEE INSTRUCTIONS BEFORE FILLING OUT.


CUSIP No. 015351109     Page 12 of 23 Pages

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

   
                Dmitry Balyasny    
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*  
  (a)  ¨  
    (b)  ¨    
  3   SEC USE ONLY  
         
  4   CITIZENSHIP OR PLACE OF ORGANIZATION  
                United States    

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

    5    SOLE VOTING POWER
 
                  89,878 (See Item 4)
    6    SHARED VOTING POWER
 
                  1,263,033 (See Item 4)
    7    SOLE DISPOSITIVE POWER
 
                  89,878 (See Item 4)
    8    SHARED DISPOSITIVE POWER
 
                  1,263,033 (See Item 4)
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    
                1,352,911 (See Item 4)    
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*   ¨
                Not Applicable    
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)  
                4.38%    
12   TYPE OF REPORTING PERSON*  
                IN    

 

* SEE INSTRUCTIONS BEFORE FILLING OUT.


Item 1  

(a)

   Name of Issuer:      
     Alexion Pharmaceuticals Inc. (the “Company”)      
 

(b)

   Address of Issuer’s Principal Executive Offices:      
     352 Knotter Drive, Cheshire, Connecticut 06410      
Item 2  

(a) – (c)

   This statement is filed on behalf of the following:      
     (1) Atlas Master Fund, Ltd., a Cayman Islands corporation (“AMF”), with its principal business office at c/o Walkers SPV Limited, Walker House, P.O. Box 908 GT, George Town, Grand Cayman, Cayman Islands, British West Indies.      
     (2) Atlas Global, LLC, a Delaware limited liability company (“AG”), with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. AG owns 16.8% of the equity interests in AMF.      
     (3) Atlas Global Investments, Ltd., a Cayman Islands corporation (“AGI1”), with its principal business office at c/o Walkers SPV Limited, Walker House, P.O. Box 908 GT, George Town, Grand Cayman, Cayman Islands, British West Indies. AGI1 owns 74.7% of the equity interests in AMF.      
     (4) Atlas Global Investments II, Ltd., a Cayman Islands corporation (“AGI2”), with its principal business office at c/o Walkers SPV Limited, Walker House, P.O. Box 908 GT, George Town, Grand Cayman, Cayman Islands, British West Indies. AGI2 owns 8.47% of the equity interests in AMF.      
     (5) Visium Balanced Fund, LP, a Delaware limited partnership (“VBF”), with its principal business office at c/o Balyasny Asset Management L.P., 650 Madison Avenue, New York, NY 10022.      
     (6) Visium Long Bias Fund, LP, a Delaware limited partnership (“VLBF”), with its principal business office at c/o Balyasny Asset Management L.P., 650 Madison Avenue, New York, NY 10022.      
     (7) Visium Balanced Fund Offshore, Ltd., a Cayman Islands corporation (“VBFO”), with its principal business office at c/o Morgan Stanley Fund Services (Cayman) Limited, P.O. Box 2681GT, Century yard, 4th Floor, Cricket Square, Hutchins Drive, Grand Cayman, Cayman Islands, British West Indies.      
     (8) Visium Long Bias Fund Offshore, Ltd., a Cayman Islands corporation (“VLBFO”), with its principal business office at c/o Morgan Stanley Fund Services (Cayman) Limited, P.O. Box 2681GT, Century yard, 4th Floor,      

 

Page 13 of 23 Pages


     Cricket Square, Hutchins Drive, Grand Cayman, Cayman Islands, British West Indies.      
     (9) Visium Capital Management, LLC, a Delaware limited liability company (“VCM”), with its principal business office at c/o Balyasny Asset Management L.P., 650 Madison Avenue, New York, NY 10022. VCM is the investment advisor to each of VBF, VLBF, VBFO and VLBFO.      
     (10) Balyasny Asset Management L.P., a Delaware limited partnership (“BAM”), with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. BAM is the sole managing member of AG, the investment advisor to each of AG, AGI1 and AGI2 and the investment subadvisor to each of VBF, VLBF, VBFO and VLBFO.      
     (11) Dmitry Balyasny, a United States citizen whose business address is 181 West Madison, Suite 3600, Chicago, IL 60602. Dmitry Balyasny is the sole managing member of the general partner of BAM.      
  (d)    Title of Class of Securities:      
     Common Stock, no par value      
  (e)    CUSIP Number:      
     015351109      
Item 3   If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:   
  Not Applicable   

 

Item 4    Ownership:      
   AMF      
   (a)    Amount Beneficially Owned:      
      89,878 shares      
   (b)    Percent of Class:      
      .29%      
   (c)    Number of Shares as to which person has:      
      (i)    sole power to vote or to direct vote:      

 

Page 14 of 23 Pages


         None      
      (ii)    shared power to vote or to direct vote:      
         89,878 shares      
      (iii)    sole power to dispose or direct disposition of:      
         None      
      (iv)    shared power to dispose or to direct disposition of:      
         89,878 shares      
   AG            
   (a)    Amount Beneficially Owned:      
      By virtue of its ownership of 16.8% of the equity interest in AMF, AG may be deemed to beneficially own the 89,878 shares of the Company’s Common Stock beneficially owned by AMF.      
   (b)    Percent of Class:      
      .29%         
   (c)    Number of Shares as to which person has:      
      (i)    sole power to vote or to direct vote:      
         None      
      (ii)    shared power to vote or to direct vote:      
         89,878 shares      
      (iii)    sole power to dispose or direct disposition of:      
         None      
      (iv)    shared power to dispose or to direct disposition of:      
         89,878 shares      

 

Page 15 of 23 Pages


   AGI1            
   (a)    Amount Beneficially Owned:      
      By virtue of its ownership of 74.7% of the equity interest in AMF, AGI1 may be deemed to beneficially own the 89,878 shares of the Company’s Common Stock beneficially owned by AMF.      
   (b)    Percent of Class:      
      .29%         
   (c)    Number of Shares as to which person has:      
      (i)    sole power to vote or to direct vote:      
         None      
      (ii)    shared power to vote or to direct vote:      
         89,878 shares      
      (iii)    sole power to dispose or direct disposition of:      
         None      
      (iv)    shared power to dispose or to direct disposition of:      
         89,878 shares      
   AGI2            
   (a)    Amount Beneficially Owned:      
      By virtue of its ownership of 8.47% of the equity interest in AMF, AGI2 may be deemed to beneficially own the 89,878 shares of the Company’s Common Stock beneficially owned by AMF.      
   (b)    Percent of Class:      
      .29%         

 

Page 16 of 23 Pages


   (c)    Number of Shares as to which person has:      
      (i)    sole power to vote or to direct vote:      
         None      
      (ii)    shared power to vote or to direct vote:      
         89,878 shares      
      (iii)    sole power to dispose or direct disposition of:      
         None      
      (iv)    shared power to dispose or to direct disposition of:      
         89,878 shares      
   VBF      
   (a)    Amount Beneficially Owned:      
      483,018 shares      
   (b)    Percent of Class:      
      1.56%      
   (c)    Number of Shares as to which person has:      
      (i)    sole power to vote or to direct vote:      
         None      
      (ii)    shared power to vote or to direct vote:      
         483,018 shares      
      (iii)    sole power to dispose or direct disposition of:      
         None      
      (iv)    shared power to dispose or to direct disposition of:      
         483,018 shares      

 

Page 17 of 23 Pages


   VLBF      
   (a)    Amount Beneficially Owned:      
      78,808 shares      
   (b)    Percent of Class:      
      .25%      
   (c)    Number of Shares as to which person has:      
      (i)    sole power to vote or to direct vote:      
         None      
      (ii)    shared power to vote or to direct vote:      
         483,018 shares      
      (iii)    sole power to dispose or direct disposition of:      
         None      
      (iv)    shared power to dispose or to direct disposition of:      
         483,018 shares      
   VBFO      
   (a)    Amount Beneficially Owned:      
      373,509 shares      
   (b)    Percent of Class:      
      1.21%      
   (c)    Number of Shares as to which person has:      
      (i)    sole power to vote or to direct vote:      
         None      

 

Page 18 of 23 Pages


      (ii)    shared power to vote or to direct vote:      
         373,509 shares      
      (iii)    sole power to dispose or direct disposition of:      
         None      
      (iv)    shared power to dispose or to direct disposition of:      
         373,509 shares      
   VLBFO            
   (a)    Amount Beneficially Owned:      
      327,698 shares      
   (b)    Percent of Class:      
      1.06%         
   (c)    Number of Shares as to which person has:      
      (i)    sole power to vote or to direct vote:      
         None      
      (ii)    shared power to vote or to direct vote:      
         327,698 shares      
      (iii)    sole power to dispose or direct disposition of:      
         None      
      (iv)    shared power to dispose or to direct disposition of:      
         327,698 shares      

 

Page 19 of 23 Pages


   VCM      
   (a)    Amount Beneficially Owned:      
   By virtue of its position as investment advisor to each of VBF, VLBF, VBFO and VLBFO, VCM may be deemed to beneficially own the 1,263,033 shares of the Company’s Common Stock beneficially owned by VBF, VLBF, VBFO and VLBFO.      
   (b)    Percent of Class:      
      4.09%      
   (c)    Number of Shares as to which person has:      
      (i)    sole power to vote or to direct vote:      
         None      
      (ii)    shared power to vote or to direct vote:      
         1,263,033 shares      
      (iii)    sole power to dispose or direct disposition of:      
         None      
      (iv)    shared power to dispose or to direct disposition of:      
         1,263,033 shares      
   BAM      
   (a)    Amount Beneficially Owned:      
   By virtue of its position as investment advisor to each of AG, AGI1 and AGI2 and its role as sole managing member of AG, BAM may be deemed to beneficially own the 89,878 shares of the Company’s Common Stock beneficially owned by AG, AGI1 and AGI2. By virtue of its position as investment subadvisor to each of VFB, VLBF, VBFO and VLBFO, BAM may be deemed to beneficially own the 1,263,033 shares of the Company’s Common Stock beneficially owned by VFB, VLBF, VBFO and VLBFO.      
   (b)    Percent of Class:      
      4.38%      

 

Page 20 of 23 Pages


   (c)    Number of Shares as to which person has:      
      (i)    sole power to vote or to direct vote:      
         89,878 shares      
      (ii)    shared power to vote or to direct vote:      
         1,263,033 shares      
      (iii)    sole power to dispose or direct disposition of:      
         89,878 shares      
      (iv)    shared power to dispose or to direct disposition of:      
         1,263,033 shares      
   Dmitry Balyasny      
   (a)    Amount Beneficially Owned:      
      By virtue of his position as the sole managing member of the general partner of BAM, Mr. Balyasny may be deemed to beneficially own the 1,352,911 shares of the Company’s Common Stock beneficially owned by BAM.      
   (b)    Percent of Class:      
      4.38%         
   (c)    Number of Shares as to which person has:      
      (i)    sole power to vote or to direct vote:      
         89,878 shares      
      (ii)    shared power to vote or to direct vote:      
         1,263,033 shares      
      (iii)    sole power to dispose or direct disposition of:      
         89,878 shares      

 

Page 21 of 23 Pages


      (iv)    shared power to dispose or to direct disposition of:      
         1,263,033 shares      
Item 5    Ownership of Five Percent or Less of a Class:   
   Not Applicable   
Item 6    Ownership of More than Five Percent on Behalf of Another Person:      
   Not Applicable      
Item 7    Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company:
   Not Applicable
Item 8    Identification and Classification of Members of the Group:      
   Not Applicable      
Item 9    Notice of Dissolution of Group:      
   Not Applicable      
Item 10    Certification:      
   By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.      

 

Page 22 of 23 Pages


SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: February 5, 2007

 

ATLAS MASTER FUND, LTD.     VISIUM LONG BIAS FUND, LP
By:  

/s/ Scott Schroeder

    By:  

/s/ Scott Schroeder

  Authorized Signatory       Authorized Signatory
ATLAS GLOBAL, LLC     VISIUM BALANCED FUND OFFSHORE, LTD.
By:  

/s/ Scott Schroeder

    By:  

/s/ Scott Schroeder

  Authorized Signatory       Authorized Signatory
ATLAS GLOBAL INVESTMENTS, LTD.     VISIUM LONG BIAS FUND OFFSHORE, LTD.
By:  

/s/ Scott Schroeder

    By:  

/s/ Scott Schroeder

  Authorized Signatory       Authorized Signatory
ATLAS GLOBAL INVESTMENTS II, LTD.     VISIUM CAPITAL MANAGEMENT, LLC
By:  

/s/ Scott Schroeder

    By:  

/s/ Scott Schroeder

  Authorized Signatory       Authorized Signatory
VISIUM BALANCED FUND, LP     BALYASNY ASSET MANAGEMENT L.P.
By:  

/s/ Scott Schroeder

    By:  

/s/ Scott Schroeder

  Authorized Signatory       Authorized Signatory
      By:  

/s/ Scott Schroeder

        Authorized Signatory

 

Page 23 of 23 Pages