-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, Pou0QUo0K6XpBKOELkzQOtXM4PNxQ8CwlhJQe8jHZSTxL6fGVFDBzpk2cTX1Q68a y2I1ZDHyaHtDSf56622S1A== 0000902664-07-001768.txt : 20070515 0000902664-07-001768.hdr.sgml : 20070515 20070515104518 ACCESSION NUMBER: 0000902664-07-001768 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20070515 DATE AS OF CHANGE: 20070515 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: OSCIENT PHARMACEUTICALS CORP CENTRAL INDEX KEY: 0000356830 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 042297484 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-34935 FILM NUMBER: 07850108 BUSINESS ADDRESS: STREET 1: 1000 WINTER STREET STREET 2: SUITE 2200 CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: 7813982300 MAIL ADDRESS: STREET 1: 1000 WINTER STREET STREET 2: SUITE 2200 CITY: WALTHAM STATE: MA ZIP: 02451 FORMER COMPANY: FORMER CONFORMED NAME: GENOME THERAPEUTICS CORP DATE OF NAME CHANGE: 19941215 FORMER COMPANY: FORMER CONFORMED NAME: COLLABORATIVE RESEARCH INC DATE OF NAME CHANGE: 19920703 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: Highbridge International LLC CENTRAL INDEX KEY: 0001308315 IRS NUMBER: 000000000 STATE OF INCORPORATION: E9 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: THE CAYMAN CORPORATE CENTRE, 4TH FLOOR STREET 2: 27 HOSPITAL ROAD CITY: GRAND CAYMAN STATE: E9 ZIP: 00000 BUSINESS PHONE: 345-945-1400 MAIL ADDRESS: STREET 1: P.O. BOX 30554 STREET 2: SEVEN MILE BEACH CITY: GEORGE TOWN, GRAND CAYMAN STATE: E9 ZIP: 00000 SC 13G 1 sc13g.txt OSCIENT PHARMACEUTICALS CORPORATION UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ---------------------- SCHEDULE 13G Under the Securities Exchange Act of 1934 Oscient Pharmaceuticals Corporation (Name of Issuer) Common Stock, par value $0.10 per share (Title of Class of Securities) 68812R303 (CUSIP Number) April 26, 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 in the remainder of this cover page shall not be deemed to be "filed" for 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 Pages CUSIP No. 68812R303 13G Page 2 of 11 Pages - ------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Highbridge International LLC - ------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - ------------------------------------------------------------------------------- (3) SEC USE ONLY - ------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - ------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES - ------------------------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 7,421 shares of Common Stock 3.50% Convertible Senior Notes due 2011 convertible into 1,718,310 shares of Common Stock OWNED BY ---------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ---------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 7,421 shares of Common Stock 3.50% Convertible Senior Notes due 2011 convertible into 1,718,310 shares of Common Stock - ------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,421 shares of Common Stock 3.50% Convertible Senior Notes due 2011 convertible into 1,718,310 shares of Common Stock - ------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - ------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11.15% - ------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** OO - ------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 68812R303 13G Page 3 of 11 Pages - ------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Highbridge Capital Management, LLC 20-1901985 - ------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - ------------------------------------------------------------------------------- (3) SEC USE ONLY - ------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware - ------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES ---------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 7,421 shares of Common Stock 3.50% Convertible Senior Notes due 2011 convertible into 1,718,310 shares of Common Stock OWNED BY ---------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ---------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 7,421 shares of Common Stock 3.50% Convertible Senior Notes due 2011 convertible into 1,718,310 shares of Common Stock - ------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,421 shares of Common Stock 3.50% Convertible Senior Notes due 2011 convertible into 1,718,310 shares of Common Stock - ------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [] - ------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11.15% - ------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** OO - ------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 68812R303 13G Page 4 of 11 Pages - ------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Glenn Dubin - ------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - ------------------------------------------------------------------------------- (3) SEC USE ONLY - ------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES - ------------------------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 7,421 shares of Common Stock 3.50% Convertible Senior Notes due 2011 convertible into 1,718,310 shares of Common Stock OWNED BY ---------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ---------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 7,421 shares of Common Stock 3.50% Convertible Senior Notes due 2011 convertible into 1,718,310 shares of Common Stock - ------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,421 shares of Common Stock 3.50% Convertible Senior Notes due 2011 convertible into 1,718,310 shares of Common Stock - ------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [] - ------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11.15% - ------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** IN - ------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 68812R303 13G Page 5 of 11 Pages - ------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Henry Swieca - ------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - ------------------------------------------------------------------------------- (3) SEC USE ONLY - ------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES ---------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 7,421 shares of Common Stock 3.50% Convertible Senior Notes due 2011 convertible into 1,718,310 shares of Common Stock OWNED BY ---------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ---------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 7,421 shares of Common Stock 3.50% Convertible Senior Notes due 2011 convertible into 1,718,310 shares of Common Stock - ------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,421 shares of Common Stock 3.50% Convertible Senior Notes due 2011 convertible into 1,718,310 shares of Common Stock - ------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [] - ------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11.15% - ------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** IN - ------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 68812R303 13G Page 6 of 11 Pages This statement on Schedule 13G (this "Statement") relates to the 7,421 shares (the "Owned Shares") of common stock, par value $0.10 per share (the "Common Stock"), of Oscient Pharmaceuticals Corporation, a Massachusetts corporation (the "Company"), held by Highbridge International LLC and the 1,718,310 shares of Common Stock of the Company issuable to Highbridge International LLC upon conversion of the 3.50% Convertible Senior Notes due 2011 of the Company (the "Notes" and together with the Owned Shares, the "Common Shares"). In addition to the Common Shares, the Reporting Persons (as defined below) may be deemed to beneficially own 161,917 shares of Common Stock issuable to Highbridge International LLC and 83,891 shares of Common Stock issuable to Smithfield Fiduciary LLC, a wholly-owned subsidiary of Highbridge International LLC, upon the exercise of warrants to purchase shares of Common Stock. However, pursuant to the terms of these warrants, the warrants cannot be exercised until such time as its holders would not beneficially own after such exercise more than 4.99% of the outstanding shares of Common Stock. Item 1. (a) Name of Issuer Oscient Pharmaceuticals Corporation (the "Company"). (b) Address of Issuer's Principal Executive Offices 1000 Winter Street, Suite 2200 Waltham, Massachusetts 02451 Item 2(a). Name of Person Filing Item 2(b). Address of Principal Business Office Item 2(c). Citizenship HIGHBRIDGE INTERNATIONAL LLC c/o Harmonic Fund Services The Cayman Corporate Centre, 4th Floor 27 Hospital Road Grand Cayman, Cayman Islands, British West Indies Citizenship: Cayman Islands, British West Indies HIGHBRIDGE CAPITAL MANAGEMENT, LLC IRS #: 20-1901985 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: Delaware GLENN DUBIN c/o Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: United States HENRY SWIECA c/o Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: United States CUSIP No. 68812R303 13G Page 7 of 11 Pages Item 2(d) Title of Class of Securities Shares of Common Stock, $0.10 par value Item 2(e) CUSIP Number 68812R303 Item 3. If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a: (a) [ ] Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o). (b) [ ] Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [ ] Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [ ] Investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) [ ] An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J). If this statement is filed pursuant to Rule 13d-1(c), check this box. [X] Item 4. Ownership Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. (a) Amount beneficially owned: As of the date of this filing, each of the Reporting Persons is the beneficial owner of (i) 7,421 shares of Common Stock held by Highbridge International LLC and (ii) 1,718,310 shares of Common Stock issuable to Highbridge International LLC upon conversion of the Notes. Highbridge Capital Management, LLC is the trading manager of Highbridge International LLC. Glenn Dubin is a Co-Chief Executive Officer of Highbridge Capital Management, LLC. Henry Swieca is a Co-Chief Executive Officer of Highbridge Capital Management, LLC. The foregoing should not be construed in CUSIP No. 68812R303 13G Page 8 of 11 Pages and of itself as an admission by any Reporting Person as to beneficial ownership of Common Shares owned by another Reporting Person. In addition, each of Highbridge Capital Management, LLC, Glenn Dubin and Henry Swieca disclaims beneficial ownership of Common Shares owned by Highbridge International LLC. (b) Percent of class: The Company's Quarterly Report on Form 10-Q that was filed on May 10, 2007, indicates there were 13,764,113 shares of Common Stock outstanding as of May 2, 2007. Therefore, based on the Company's outstanding shares of Common Stock and the shares of Common Stock issuable upon the conversion of the Notes, each of Highbridge International LLC, Highbridge Capital Management LLC, Glenn Dubin and Henry Swieca may be deemed to beneficially own 11.15% of the outstanding shares of Common Stock of the Company. The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of shares of Common Shares owned by another Reporting Person. (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote 0 (ii) Shared power to vote or to direct the vote See Item 4(a) (iii) Sole power to dispose or to direct the disposition of 0 (iv) Shared power to dispose or to direct the disposition of See Item 4(a) Item 5. Ownership of Five Percent or Less of a Class Not applicable. 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 or Control Person Not applicable. Item 8. Identification and Classification of Members of the Group See Exhibit I. Item 9. Notice of Dissolution of Group CUSIP No. 68812R303 13G Page 9 of 11 Pages Not applicable. Item 10. Certification By signing below each of the undersigned certifies that, to the best of its 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. Exhibits: Exhibit I: Joint Filing Agreement, dated as of May 15, 2007, by and among Highbridge International LLC, Highbridge Capital Management, LLC, Glenn Dubin and Henry Swieca. CUSIP No. 68812R303 13G Page 10 of 11 Pages SIGNATURES After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information with respect to it set forth in this statement is true, complete, and correct. Dated: May 15, 2007 HIGHBRIDGE INTERNATIONAL LLC HIGHBRIDGE CAPITAL MANAGEMENT, LLC By: Highbridge Capital Management, LLC its Trading Manager By: /s/ Carolyn Rubin By: /s/ Carolyn Rubin ------------------------- --------------------------- Name: Carolyn Rubin Name: Carolyn Rubin Title: Managing Director Title: Managing Director /s/ Glenn Dubin /s/ Henry Swieca - ------------------------------- -------------------------------- GLENN DUBIN HENRY SWIECA CUSIP No. 68812R303 13G Page 11 of 11 Pages EXHIBIT I JOINT FILING AGREEMENT This will confirm the agreement by and among the undersigned that the Schedule 13G filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned of the Common Shares, $0.10 par value, of Oscient Pharmaceuticals Corporation, is being filed, and all amendments thereto will be filed, on behalf of each of the persons and entities named below in accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. Dated as of May 15, 2007 HIGHBRIDGE INTERNATIONAL LLC HIGHBRIDGE CAPITAL MANAGEMENT, LLC By: Highbridge Capital Management, LLC its Trading Manager By: /s/ Carolyn Rubin By: /s/ Carolyn Rubin ------------------------- --------------------------- Name: Carolyn Rubin Name: Carolyn Rubin Title: Managing Director Title: Managing Director /s/ Glenn Dubin /s/ Henry Swieca - ------------------------------- -------------------------------- GLENN DUBIN HENRY SWIECA -----END PRIVACY-ENHANCED MESSAGE-----