Ownership Submission
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, Section 17(a) of the Public Utility Holding Company Act of 1935 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 *
ROTHBLATT MARTINE A
   2. Issuer Name and Ticker or Trading Symbol
UNITED THERAPEUTICS Corp [UTHR] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CEO
(Last)
(First)
(Middle)
C/O UNITED THERAPEUTICS CORPORATION, 1040 SPRING STREET		 3. Date of Earliest Transaction (Month/Day/Year)
04/17/2014
(Street)

SILVER SPRING, MD 20910		 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
Common Stock 04/17/2014   M(1)   3,833 A $ 34.56 (2) 3,973 D  
Common Stock 04/17/2014   S(1)   3,833 D $ 99.5931 (3) 140 D  
Common Stock 04/17/2014   M(1)   5,233 A $ 30.75 (2) 5,373 D  
Common Stock 04/17/2014   S(1)   2,933 D $ 96.9271 (4) 2,440 D  
Common Stock 04/17/2014   S(1)   1,100 D $ 98.0973 (5) 1,340 D  
Common Stock 04/17/2014   S(1)   1,000 D $ 98.925 (6) 340 D  
Common Stock 04/17/2014   S(1)   200 D $ 99.76 (7) 140 D  
Common Stock               166 I By Spouse
Common Stock               533,094.05 I By Trusts

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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
Stock Options $ 34.56 (2) 04/17/2014   M(1)     3,833 12/30/2005 12/30/2015 Common Stock 3,833 $ 0 337,330 D  
Stock Options $ 30.75 (2) 04/17/2014   M(1)     5,233 12/26/2009 12/31/2017 Common Stock 5,233 $ 0 737,836 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
ROTHBLATT MARTINE A
C/O UNITED THERAPEUTICS CORPORATION
1040 SPRING STREET
SILVER SPRING, MD 20910		   X     CEO  

Signatures

 /s/ John S. Hess, Jr. under Power of Attorney   04/18/2014
**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).
(1) This exercise of stock options and corresponding sale of shares was pursuant to a Rule 10b5-1 trading plan entered into by the reporting person.
(2) Exercise price and number of shares/awards has been adjusted to reflect the issuer's two-for-one stock split on September 22, 2009.
(3) This transaction was executed in multiple trades at prices ranging from $98.7301 to $99.87. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
(4) This transaction was executed in multiple trades at prices ranging from $96.58 to $97.55. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
(5) This transaction was executed in multiple trades at prices ranging from $97.58 to $98.56. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
(6) This transaction was executed in multiple trades at prices ranging from $98.72 to $99.50. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
(7) This transaction was executed in multiple trades at prices ranging from $99.73 to $99.79. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

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