SC 13G 1 d51876sc13g.htm SCHEDULE 13G sc13g
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. ___)*
USEC Inc.
 
(Name of Issuer)
Common Stock
 
(Title of Class of Securities)
90333E108
 
(CUSIP Number)
November 20, 2007
 
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
o Rule 13d-1(b)
þ Rule 13d-1(c)
o 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 the disclosures provided in a prior cover page.
The information required in 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).
 
 

 

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CUSIP No.
  
 90333E108 
  

 

           
1   Names of Reporting Persons.

Corriente Advisors, LLC

I.R.S. Identification Nos. of above persons (entities only).
     
     
2   Check the Appropriate Box if a Member of a Group (See Instructions)
  (a)   o
  (b)   þ
     
3   SEC Use Only
   
   
     
4   Citizenship or Place of Organization
   
  Delaware
       
  5   Sole Voting Power
     
Number of   5,723,328
       
Shares 6   Shared Voting Power
Beneficially    
Owned By   0
       
Each 7   Sole Dispositive Power
Reporting    
Person   5,723,328
       
With: 8   Shared Dispositive Power
     
    0
     
9   Aggregate Amount Beneficially Owned by Each Reporting Person
   
  5,723,328
     
10   Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) o
   
   
     
11   Percent of Class Represented by Amount in Row (9)
   
  5.2%
     
12   Type of Reporting Person (See Instructions)
   
  OO/IA

 

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CUSIP No.
  
 90333E108 
  

 

           
1   Names of Reporting Persons.

Mark L. Hart III

I.R.S. Identification Nos. of above persons (entities only).
     
     
2   Check the Appropriate Box if a Member of a Group (See Instructions)
  (a)   o
  (b)   þ
     
3   SEC Use Only
   
   
     
4   Citizenship or Place of Organization
   
  United States
       
  5   Sole Voting Power
     
Number of   5,723,328
       
Shares 6   Shared Voting Power
Beneficially    
Owned by   0
       
Each 7   Sole Dispositive Power
Reporting    
Person   5,723,328
       
With: 8   Shared Dispositive Power
     
    0
     
9   Aggregate Amount Beneficially Owned by Each Reporting Person
   
  5,723,328
     
10   Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) o
   
   
     
11   Percent of Class Represented by Amount in Row (9)
   
  5.2%
     
12   Type of Reporting Person (See Instructions)
   
  IN/HC

 

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Item 1
Item 2
Item 3. If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is:
Item 4. Ownership
Item 5. Ownership of 5% or Less of a Class
Item 6. Ownership of More than 5 Percent on Behalf of Another Person
Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person
Item 8. Identification and Classification of Members of the Group
Item 9. Notice of Dissolution of Group
Item 10. Certifications
SIGNATURE
EXHIBIT INDEX
Joint Filing Agreement

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Item 1.
  (a)   Name of Issuer
 
      USEC Inc.
 
  (b)   Address of Issuer’s Principal Executive Offices
 
      2 Democracy Center, 6903 Rockledge Drive, Bethesda, Maryland 20817
Item 2.
  (a)   Name of Person Filing
               This statement is jointly filed by and on behalf of each of Corriente Advisors, LLC and Mark L. Hart III. Corriente Advisors acts as an investment adviser to, and manages investment and trading accounts of, other persons, including Corriente Master Fund, L.P. Corriente Advisors may be deemed, through investment advisory contracts or otherwise, to beneficially own securities owned by other persons, including Corriente Master Fund. Mr. Hart is the Chairman and Chief Executive Officer of Corriente Advisors and may be deemed to control Corriente Advisors and beneficially own securities owned by Corriente Advisors.
               Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, the beneficial owner of any securities covered by this statement.
               Each reporting person may be deemed to be a member of a group with respect to the issuer or securities of the issuer for the purposes of Section 13(d) or 13(g) of the Act. Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, (i) acting (or has agreed or is agreeing to act) with any other person as a partnership, limited partnership, syndicate, or other group for the purpose of acquiring, holding, or disposing of securities of the issuer or otherwise with respect to the issuer or any securities of the issuer or (ii) a member of any syndicate or group with respect to the issuer or any securities of the issuer.
  (b)   Address of Principal Business Office or, if none, Residence
               The address of the principal business office of each reporting person is 201 Main Street, Suite 1800, Fort Worth, Texas 76102.
  (c)   Citizenship
 
      See Item 4 on the cover page(s) hereto.
 
  (d)   Title of Class of Securities
 
      Common Stock
 
  (e)   CUSIP Number
 
      90333E108
Item 3. If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is:

 

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  (a) o A Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o).
 
  (b) o A Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c).
 
  (c) o An insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c).
 
  (d) o An investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).
 
  (e) o An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);
 
  (f) o An employee benefit plan or endowment fund in accordance with §240.13d- 1(b)(1)(ii)(F);
 
  (g) o A parent holding company or control person in accordance with §240.13d- 1(b)(1)(ii)(G);
 
  (h) o A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
 
  (i) o A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
 
  (j) o A group, in accordance with §240.13d-1(b)(1)(ii)(J).
Item 4. Ownership.
  (a)   Amount beneficially owned:
 
      See Item 9 on the cover page(s) hereto.
 
  (b)   Percent of class:
 
      See Item 11 on the cover page(s) hereto.
 
  (c)   Number of shares as to which such person has:
  (i)   Sole power to vote or to direct the vote:
 
      See Item 5 on the cover page(s) hereto.
 
  (ii)   Shared power to vote or to direct the vote:
 
      See Item 6 on the cover page(s) hereto.
 
  (iii)   Sole power to dispose or to direct the disposition of:
 
      See Item 7 on the cover page(s) hereto.
 
  (iv)   Shared power to dispose or to direct the disposition of:
 
      See Item 8 on the cover page(s) hereto.

 

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Item 5. Ownership of 5% or Less of a Class.
               If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following o.
Item 6. Ownership of More than 5 Percent on Behalf of Another Person
               Corriente Master Fund, L.P. is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities covered by this statement that may be deemed to be beneficially owned by the reporting persons.
Item 7.   Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
               Not Applicable
Item 8. Identification and Classification of Members of the Group
               Each reporting person may be deemed to be a member of a group with respect to the issuer or securities of the issuer for the purposes of Section 13(d) or 13(g) of the Act. Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, (i) acting (or has agreed or is agreeing to act) with any other person as a partnership, limited partnership, syndicate, or other group for the purpose of acquiring, holding, or disposing of securities of the issuer or otherwise with respect to the issuer or any securities of the issuer or (ii) a member of any syndicate or group with respect to the issuer or any securities of the issuer.
Item 9. Notice of Dissolution of Group
               Each reporting person may be deemed to be a member of a group with respect to the issuer or securities of the issuer for the purposes of Section 13(d) or 13(g) of the Act. Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, (i) acting (or has agreed or is agreeing to act) with any other person as a partnership, limited partnership, syndicate, or other group for the purpose of acquiring, holding, or disposing of securities of the issuer or otherwise with respect to the issuer or any securities of the issuer or (ii) a member of any syndicate or group with respect to the issuer or any securities of the issuer.
Item 10. Certifications
     (a) Not Applicable
     (b) 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.

 

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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: November 28, 2007   CORRIENTE ADVISORS, LLC    
 
                
 
      By:   /s/ James E. Haddaway    
 
               
 
      Name:   James E. Haddaway    
 
      Title:   Chief Financial Officer and
Chief Operating Officer		    
 
                
        MARK L. HART III    
 
                
 
      By:   /s/ Mark L. Hart III    
 
               
 
      Name:   Mark L. Hart III    

 

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EXHIBIT INDEX
     
Exhibit   Description of Exhibit
99.1
  Joint Filing Agreement