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

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
MAFFEI GREGORY B
   2. Issuer Name and Ticker or Trading Symbol
LIBERTY MEDIA CORP [LINT; LCAP] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President, CEO
(Last)
(First)
(Middle)
12300 LIBERTY BLVD.		 3. Date of Earliest Transaction (Month/Day/Year)
05/12/2006
(Street)

ENGLEWOOD, CO 80112		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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
Liberty Interactive Series A Common Stock 05/12/2006   P   3,381 A $ 18.56 3,381 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   875 A $ 18.6 4,256 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   600 A $ 18.59 4,856 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   607 A $ 18.57 5,463 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   2,900 A $ 18.65 8,363 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   2,192 A $ 18.64 10,555 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   4,977 A $ 18.5 15,532 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   169 A $ 18.53 15,701 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   578 A $ 18.45 16,279 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   8,610 A $ 18.48 24,889 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   2,300 A $ 18.49 27,189 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   7,500 A $ 18.46 34,689 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   800 A $ 18.47 35,489 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   100 A $ 18.44 35,589 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   5,575 A $ 18.5321 41,164 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   1,550 A $ 18.6252 42,714 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   1,000 A $ 18.575 43,714 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   400 A $ 18.465 44,114 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   3,950 A $ 18.5948 48,064 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   3,748 A $ 18.494 51,812 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   27,967 A $ 18.43 79,779 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   40 A $ 18.58 79,819 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   50 A $ 18.55 79,869 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   3,749 A $ 18.5473 83,618 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   6,993 A $ 18.5574 90,611 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   203 A $ 18.62 90,814 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   9,086 A $ 18.5669 99,900 D  
Liberty Interactive Series A Common Stock 05/12/2006   P   100 A $ 18.445 100,000 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MAFFEI GREGORY B
12300 LIBERTY BLVD.
ENGLEWOOD, CO 80112		   X     President, CEO  

Signatures

 /s/ Gregory B. Maffei   05/15/2006
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
 
Remarks:
The trading symbols for the Issuer's Interactive Series A and Series B Common Stock are LINTA and LINTB, respectively, and for the Issuer's Capital Series A and Series B Common Stock are LCAPA and LCAPB, respectively.

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