SC 13G/A 1 u4125747a.txt FIRST AMENDMENT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* UNITED THERAPEUTICS CORPORATION -------------------------------------------------------------------------------- (Name of Issuer) Common Stock, Par Value $0.01 Per Share -------------------------------------------------------------------------------- (Title of Class of Securities) 91307C102 --------- (CUSIP Number) December 31, 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: [ ] Rule 13d-1(b) [X] Rule 13d-1(c) [ ] 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 on 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). Page 1 of 11 ------------------------------ ------------------- CUSIP No. 91307C102 13G Page 2 of 11 Pages ------------------------------ ------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON S.A.C. Capital Advisors, LLC ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware --------------------- ----- ---------------------------------------------------- 5 SOLE VOTING POWER 0 ----- ---------------------------------------------------- 6 SHARED VOTING POWER NUMBER OF SHARES BENEFICIALLY OWNED 186,570 (1) (see Item 4) BY EACH REPORTING ----- ---------------------------------------------------- PERSON WITH 7 SOLE DISPOSITIVE POWER 0 ----- ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 186,570 (1) (see Item 4) ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 186,570 (1) (see Item 4) ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.8% (1) (see Item 4) ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* 00 ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT Page 2 of 11 ------------------------------ ------------------- CUSIP No. 91307C102 13G Page 3 of 11 Pages ------------------------------ ------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON S.A.C. Capital Management, LLC ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware --------------------- ----- ---------------------------------------------------- 5 SOLE VOTING POWER 0 ----- ---------------------------------------------------- 6 SHARED VOTING POWER NUMBER OF SHARES BENEFICIALLY OWNED 186,570 (1) (see Item 4) BY EACH REPORTING ----- ---------------------------------------------------- PERSON WITH 7 SOLE DISPOSITIVE POWER 0 ----- ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 186,570 (1) (see Item 4) ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 186,570 (1) (see Item 4) ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.8% (1) (see Item 4) ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* 00 ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT Page 3 of 11 ------------------------------ ------------------- CUSIP No. 91307C102 13G Page 4 of 11 Pages ------------------------------ ------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON CR Intrinsic Investors, LLC ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware --------------------- ----- ---------------------------------------------------- 5 SOLE VOTING POWER 0 ----- ---------------------------------------------------- 6 SHARED VOTING POWER NUMBER OF SHARES BENEFICIALLY OWNED 0 (see Item 4) BY EACH REPORTING ----- ---------------------------------------------------- PERSON WITH 7 SOLE DISPOSITIVE POWER 0 ----- ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 (see Item 4) ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0 (see Item 4) ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0% (see Item 4) ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* 00 ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT Page 4 of 11 ------------------------------ ------------------- CUSIP No. 91307C102 13G Page 5 of 11 Pages ------------------------------ ------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Sigma Capital Management, LLC ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware --------------------- ----- ---------------------------------------------------- 5 SOLE VOTING POWER 0 ----- ---------------------------------------------------- 6 SHARED VOTING POWER NUMBER OF SHARES BENEFICIALLY OWNED 120,000 (see Item 4) BY EACH REPORTING ----- ---------------------------------------------------- PERSON WITH 7 SOLE DISPOSITIVE POWER 0 ----- ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 120,000 (see Item 4) ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 120,000 (see Item 4) ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.5% (see Item 4) ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* 00 ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT Page 5 of 11 ------------------------------ ------------------- CUSIP No. 91307C102 13G Page 6 of 11 Pages ------------------------------ ------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Steven A. Cohen ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States --------------------- ----- ---------------------------------------------------- 5 SOLE VOTING POWER 0 ----- ---------------------------------------------------- 6 SHARED VOTING POWER NUMBER OF SHARES BENEFICIALLY OWNED 306,570 (1) (see Item 4) BY EACH REPORTING ----- ---------------------------------------------------- PERSON WITH 7 SOLE DISPOSITIVE POWER 0 ----- ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 306,570 (1) (see Item 4) ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 306,570 (1) (see Item 4) ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.4% (see Item 4) ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT Page 6 of 11 Item 1(a) Name of Issuer: -------------- United Therapeutics Corporation Item 1(b) Address of Issuer's Principal Executive Offices: ----------------------------------------------- 1110 Spring Street, Silver Spring, MD 20910 Items 2(a) Name of Person Filing: --------------------- This statement is filed by: (i) S.A.C. Capital Advisors, LLC ("SAC Capital Advisors") with respect to shares of common stock, par value $0.01 per share ("Shares"), of the Issuer beneficially owned by S.A.C. Capital Associates, LLC ("SAC Capital Associates") and S.A.C. MultiQuant Fund, LLC ("SAC MultiQuant Fund"); (ii) S.A.C. Capital Management, LLC ("SAC Capital Management") with respect to Shares beneficially owned by SAC Capital Associates and SAC MultiQuant Fund; (iii) CR Intrinsic Investors, LLC ("CR Intrinsic Investors") with respect to Shares beneficially owned by CR Intrinsic Investments, LLC ("CR Intrinsic Investments"); (iv) Sigma Capital Management, LLC ("Sigma Management") with respect to Shares beneficially owned by Sigma Capital Associates, LLC ("Sigma Capital Associates") and (v) Steven A. Cohen with respect to Shares beneficially owned by SAC Capital Advisors, SAC Capital Management, SAC Capital Associates, SAC MultiQuant Fund, CR Intrinsic Investors, CR Intrinsic Investments, Sigma Management and Sigma Capital Associates. SAC Capital Advisors, SAC Capital Management, CR Intrinsic Investors, Sigma Management and Steven A. Cohen have entered into a Joint Filing Agreement, a copy of which is filed with this Schedule 13G as Exhibit 99.1, pursuant to which they have agreed to file this Schedule 13G jointly in accordance with the provisions of Rule 13d-1(k) of the Securities Exchange Act of 1934, as amended. Item 2(b) Address of Principal Business Office: ------------------------------------ The address of the principal business office of (i) SAC Capital Advisors, CR Intrinsic Investors and Mr. Cohen is 72 Cummings Point Road, Stamford, Connecticut 06902 and (ii) SAC Capital Management and Sigma Management is 540 Madison Avenue, New York, New York 10022. Item 2(c) Citizenship: ----------- SAC Capital Advisors, SAC Capital Management, CR Intrinsic Investors, Sigma Management are Delaware limited liability companies. Mr. Cohen is a United States citizen. Page 7 of 11 Item 2(d) Title of Class of Securities: ---------------------------- Common Stock, par value $0.01 per share Item 2(e) CUSIP Number: ------------ 91307C102 Item 3 Not Applicable Item 4 Ownership: --------- The percentages used herein are calculated based upon the Shares issued and outstanding as of January 3, 2008 as reported on the Issuer's prospectus on Form 424B7 filed with the Securities and Exchange Commission by the Issuer on January 7, 2008. As of the close of business on December 31, 2007: 1. S.A.C. Capital Advisors, LLC (a) Amount beneficially owned: 186,570 (1) (b) Percent of class: 0.8% (1) (c)(i) Sole power to vote or direct the vote: -0- (ii) Shared power to vote or direct the vote: 186,570 (1) (iii) Sole power to dispose or direct the disposition: -0- (iv) Shared power to dispose or direct the disposition: 186,570 (1) 2. S.A.C. Capital Management, LLC (a) Amount beneficially owned: 186,570 (1) (b) Percent of class: 0.8% (1) (c)(i) Sole power to vote or direct the vote: -0- (ii) Shared power to vote or direct the vote: 186,570 (1) (iii) Sole power to dispose or direct the disposition: -0- (iv) Shared power to dispose or direct the disposition: 186,570 (1) 3. CR Intrinsic Investors, LLC (a) Amount beneficially owned: -0- (b) Percent of class: 0% (c)(i) Sole power to vote or direct the vote: -0- (ii) Shared power to vote or direct the vote: -0- (iii) Sole power to dispose or direct the disposition: -0- (iv) Shared power to dispose or direct the disposition: -0- Page 8 of 11 4. Sigma Capital Management, LLC (a) Amount beneficially owned: 120,000 (b) Percent of class: 0.5% (c)(i) Sole power to vote or direct the vote: -0- (ii) Shared power to vote or direct the vote: 120,000 (iii) Sole power to dispose or direct the disposition: -0- (iv) Shared power to dispose or direct the disposition: 120,000 5. Steven A. Cohen (a) Amount beneficially owned: 306,570 (1) (b) Percent of class: 1.4% (1) (c)(i) Sole power to vote or direct the vote: -0- (ii) Shared power to vote or direct the vote: 306,570 (1) (iii) Sole power to dispose or direct the disposition: -0- (iv) Shared power to dispose or direct the disposition: 306,570 (1) (1) Includes 50,000 Shares subject to call options held by SAC Capital Associates. SAC Capital Advisors, SAC Capital Management, CR Intrinsic Investors, Sigma Management and Mr. Cohen do not directly own any Shares. Pursuant to investment management agreements, each of SAC Capital Advisors and SAC Capital Management share all investment and voting power with respect to the securities held by SAC Capital Associates and SAC MultiQuant Fund. Pursuant to an investment management agreement, CR Intrinsic Investors maintains investment and voting power with respect to the securities held by CR Intrinsic Investments. Pursuant to an investment management agreement, Sigma Management maintains investment and voting power with respect to the securities held by Sigma Capital Associates. Mr. Cohen controls each of SAC Capital Advisors, SAC Capital Management, CR Intrinsic Investors and Sigma Management. By reason of the provisions of Rule 13d-3 of the Securities Exchange Act of 1934, as amended, each of (i) SAC Capital Advisors, SAC Capital Management and Mr. Cohen may be deemed to own beneficially 186,570 (1) Shares (representing approximately 0.8% (1) of the Shares outstanding) and (ii) Sigma Management and Mr. Cohen may be deemed to own beneficially 120,000 Shares (representing approximately 0.5% of the Shares outstanding). Each of SAC Capital Advisors, SAC Capital Management, CR Intrinsic Investors, Sigma Management and Mr. Cohen disclaim beneficial ownership of any of the securities covered by this statement. Page 9 of 11 Item 5 Ownership of Five Percent 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. [X] Item 6 Ownership of More than Five Percent on Behalf of Another -------------------------------------------------------- Person: ------ Not Applicable Item 7 Identification and Classification of the ---------------------------------------- Subsidiary Which Acquired the Security Being -------------------------------------------- Reported on By the Parent Holding Company: ------------------------------------------ Not Applicable Item 8 Identification and Classification of Members -------------------------------------------- of the Group: ------------ Not Applicable Item 9 Notice of Dissolution of Group: ------------------------------ Not Applicable Item 10 Certification: ------------- By signing below the signatory certifies that, to the best of his 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. Page 10 of 11 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. Dated: February 14, 2008 S.A.C. CAPITAL ADVISORS, LLC By: /s/ Peter Nussbaum ---------------------------------- Name: Peter Nussbaum Title: Authorized Person S.A.C. CAPITAL MANAGEMENT, LLC By: /s/ Peter Nussbaum ---------------------------------- Name: Peter Nussbaum Title: Authorized Person CR INTRINSIC INVESTORS, LLC By: /s/ Peter Nussbaum ---------------------------------- Name: Peter Nussbaum Title: Authorized Person SIGMA CAPITAL MANAGEMENT, LLC By: /s/ Peter Nussbaum ---------------------------------- Name: Peter Nussbaum Title: Authorized Person STEVEN A. COHEN By: /s/ Peter Nussbaum ---------------------------------- Name: Peter Nussbaum Title: Authorized Person Page 11 of 11