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 *
DellaCamera Capital Management, LLC
  2. Issuer Name and Ticker or Trading Symbol
OSCIENT PHARMACEUTICALS CORP [OSCI]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
461 FIFTH AVENUE, 10TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
05/11/2009
(Street)

NEW YORK, NY 10017
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 05/11/2009   C   992,783 (1) (2) A (2) 992,783 D (3) (4) (5)  

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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
12.50% Convertible Guaranteed Senior Notes due 2011 $ 1.1 (2) 05/11/2009   S   $ 500,000     (6)   (6) Common Stock 454,545 $ 22.05 $ 6,409,291 D (3) (4) (5)  
12.50% Convertible Guaranteed Senior Notes due 2011 $ 1.1 (2) 05/11/2009   S   $ 500,000     (6)   (6) Common Stock 454,545 $ 22 $ 5,909,291 D (3) (4) (5)  
12.50% Convertible Guaranteed Senior Notes due 2011 $ 1.1 (2) 05/11/2009   C   $ 909,000     (6)   (6) Common Stock 992,783 (1) (2) (2) $ 5,000,291 D (3) (4) (5)  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
DellaCamera Capital Management, LLC
461 FIFTH AVENUE
10TH FLOOR
NEW YORK, NY 10017
    X    

Signatures

 Vincent Spinnato, Managing Member   05/13/2009
**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) Reflects the number of shares received by DellaCamera Capital Master Fund, Ltd. (the "Master Fund") upon conversion of the principal amount of $909,000 of issuer's 12.50% Convertible Guaranteed Senior Notes due 2011 (the "Notes") and interest thereon.
(2) The initial conversion rate of the Notes is 909.0909 shares per $1,000 principal amount of Notes (equal to a conversion price of approximately $1.10 per share).
(3) Reflects the securities of the issuer owned directly by the Master Fund.
(4) DellaCamera Capital Management, LLC ("DCM") acts as the investment manager of the Master Fund. DellaCamera Capital Fund, Ltd. (the "Offshore Fund") is the controlling shareholder of the Master Fund. Ralph DellaCamera, Jr., Andrew Kurtz and Vincent Spinnato are the controlling persons of DCM (collectively, Messrs. DellaCamera, Kurtz and Spinnato shall be referred to as the "Controlling Persons").
(5) DCM, the Offshore Fund and each Controlling Person may each be deemed to indirectly beneficially own the securities reported herein held by the Master Fund. For purposes of this Form 4, DCM, the Offshore Fund and each Controlling Person each disclaims ownership of the securities reported herein owned by the Master Fund, except to the extent of their pecuniary interest therein.
(6) The Notes are immediately convertible into shares of common stock. These Notes mature on January 15, 2011, unless earlier converted or repurchased.

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