UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

 


 

FORM 8-K

 

CURRENT REPORT

Pursuant to Section 13 or 15 (d) of the

Securities Exchange Act of 1934

 

Date of Report (Date of earliest event reported):  June 9, 2009

 

United Therapeutics Corporation

(Exact Name of Registrant as Specified in Charter)

 

Delaware

(State or Other
Jurisdiction of
Incorporation)

 

000-26301

(Commission
File Number)

 

52-1984749

(I.R.S. Employer
Identification Number)

 

 

 

 

 

1110 Spring Street

 

 

Silver Spring, MD

 

20910

(Address of Principal Executive Offices)

 

(Zip Code)

 

Registrant’s telephone number, including area code:

(301) 608-9292

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

 

o

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 

 

o

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

 

 

o

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 

 

o

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

 

 



 

Item 7.01.  Regulation FD Disclosure.

 

On June 9, 2009, United Therapeutics Corporation (the “Company”) issued a press release regarding the results of a pivotal 16-week study showing that a once-daily dose of tadalafil was generally well tolerated, improved exercise capacity and improved time to clinical worsening in patients with pulmonary arterial hypertension. A copy of the press release is attached hereto as Exhibit 99.1.

 

The information contained in this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to liability under that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

 

Item 9.01.  Exhibits

 

(d)  Exhibits

 

Exhibit No.

 

Description of Exhibit

 

 

 

99.1

 

Press release dated June 9, 2009

 

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SIGNATURE

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

 

UNITED THERAPEUTICS CORPORATION

 

 

 

 

Dated: June 9, 2009

By:

/s/ Paul A. Mahon

 

Name:

Paul A. Mahon

 

Title:

General Counsel

 

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Exhibit Index

 

Exhibit No.

 

Description of Exhibit

 

 

 

99.1

 

Press release dated June 9, 2009

 

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