GTx, Inc./Mitchell S. Steiner
 

     
 
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G/A

Under the Securities Exchange Act of 1934
(Amendment No. 1)*

GTx, Inc.
(Name of Issuer)
Common Stock, $ 0.001 par value
(Title of Class of Securities)
40052B108
(CUSIP Number)
December 31, 2005
(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)

     o Rule 13d-1(c)

     þ 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).

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.

 
 


 

                     
CUSIP No.
 
40052B108 
  Page  
  of   

 

           
1   NAMES OF REPORTING PERSONS:
   
  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY): 
    Mitchell S. Steiner, M.D., F.A.C.S.
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):

  (a)   o
  (b)   o
     
3   SEC USE ONLY:
   
   
     
4   CITIZENSHIP OR PLACE OF ORGANIZATION:
   
  United States of America
       
  5   SOLE VOTING POWER:
     
NUMBER OF   26,500
       
SHARES 6   SHARED VOTING POWER:
BENEFICIALLY    
OWNED BY   5,535,647
       
EACH 7   SOLE DISPOSITIVE POWER:
REPORTING    
PERSON   26,500
       
WITH: 8   SHARED DISPOSITIVE POWER:
     
    5,535,647
     
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
   
  5,562,147
     
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):
   
  17.9%
     
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):
   
  IN


 

                     
CUSIP No.
 
40052B108 
  Page  
  of   
         
Item 1(a).
  Name of Issuer:   GTx, Inc.
Item 1(b).
  Address of Issuer’s
Principal Executive
Offices
:
  3 N. Dunlap Street
Van Vleet Building
Memphis, TN 38163
Item 2(a).
  Name of Person Filing:   Mitchell S. Steiner, M.D., F.A.C.S.
Item 2(b).
  Address of Principal
Business Office or, if none, Residence
:
  3 N. Dunlap Street
Memphis, TN 38163
Item 2(c).
  Organization/Citizenship:   United States of America
Item 2(d).
  Title of Class Of Securities:   Common Stock, $0.001 par value
Item 2(e).
  CUSIP Number:   40052B108
Item 3.
  Inapplicable.    
Item 4.
  Ownership.    
                                                 
    Total Shares                                
    of                                
    Common                           Sole   Shared
    Stock   Percent   Sole   Shared   Power   Power
    Beneficially   of   Voting   Voting   to   to
Person   Owned   Class(1)   Power   Power   Dispose   Dispose
Mitchell S. Steiner, M.D., F.A.C.S.
    5,562,147       17.9 %     26,500       5,535,647       26,500       5,535,647  
 
(1)   Based on 30,992,552 shares of Common Stock outstanding as of November 4, 2005.

 


 

                     
CUSIP No.
 
40052B108 
  Page  
  of   
         
Item 5.   Ownership of Five Percent or Less of a Class.
 
      Inapplicable
 
       
Item 6.   Ownership of More than Five Percent on Behalf of Another Person.
 
      Inapplicable
 
       
Item 7.   Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on by the Parent Holding
Company
.
 
      Inapplicable
 
       
Item 8.   Identification and Classification of Members of the Group.
 
      Inapplicable
 
       
Item 9.   Notice of Dissolution of Group.
 
      Inapplicable
 
       
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.

 


 

                     
CUSIP No.
 
40052B108 
  Page  
  of   
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.
     
 
   
 
  1/19/2006
 
   
 
  Date
 
   
 
   
 
  /s/ Mitchell S. Steiner, M.D., F.A.C.S.
 
   
 
  (Signature)
 
   
 
   
 
  Mitchell S. Steiner, M.D., F.A.C.S.

Chief Executive Officer and Vice Chairman of the Board
of Directors of GTx, Inc.