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 *
C4S & CO LLC
  2. Issuer Name and Ticker or Trading Symbol
Star Bulk Carriers Corp. [SBLK]
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)
599 LEXINGTON AVENUE, 20TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
04/17/2008
(Street)

NEW YORK, NY 10022
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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, $.01 par value (1) (2) 04/18/2008   S   15,000 D $ 12.5 564,865 I By RCG Baldwin, L.P. (3) (4)
Common Stock, $.01 par value (1) (2) 04/18/2008   S   20,000 D $ 12.5922 544,865 I By RCG Baldwin, L.P. (3) (4)
Common Stock, $.01 par value (1) (2) 04/21/2008   X   35,000 A $ 8 579,865 I By RCG Baldwin, L.P. (3) (4)
Common Stock, $.01 par value (1) (2) 04/18/2008   S   15,000 D $ 12.5 490,865 I By RCG Enterprise, Ltd (4) (5)
Common Stock, $.01 par value (1) (2) 04/18/2008   S   20,000 D $ 12.5922 470,865 I By RCG Enterprise, Ltd (4) (5)
Common Stock, $.01 par value (1) (2) 04/21/2008   X   35,000 A $ 8 505,865 I By RCG Enterprise, Ltd (4) (5)
Common Stock, $.01 par value (1) (2)               1,702,070 I By RCG Carpathia Master Fund, Ltd (4) (6)

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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
Warrants (right to buy) (1) (2) $ 8 04/17/2008   S     60,000 11/30/2007 12/16/2009 Common Stock, $.01 par value 60,000 $ 4.25 365,000 I By RCG Baldwin, L.P. (7) (8) (9)
Warrants (right to buy) (1) (2) $ 8 04/17/2008   S     50,000 11/30/2007 12/16/2009 Common Stock, $.01 par value 50,000 $ 4.3 315,000 I By RCG Baldwin, L.P. (7) (8) (9)
Warrants (right to buy) (1) (2) $ 8 04/21/2008   X     35,000 11/30/2007 12/16/2009 Common Stock, $.01 par value 35,000 $ 0 280,000 I By RCG Baldwin, L.P. (7) (8) (9)
Warrants (right to buy) (1) (2) $ 8             11/30/2007 12/16/2009 Common Stock, $.01 par value 1,247,700   1,247,700 I By RCG Carpathia Master Fund, Ltd (8) (9) (10)
Warrants (right to buy) (1) (2) $ 8 04/21/2008   X     35,000 11/30/2007 12/16/2009 Common Stock, $.01 par value 35,000 $ 0 379,000 I By RCG Enterprise, Ltd (8) (9) (11)
Warrants (right to buy) (1) (2) $ 8             11/30/2007 12/16/2009 Common Stock, $.01 par value 100,000   100,000 I By RCG Crimson Partners, LP (8) (12)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
C4S & CO LLC
599 LEXINGTON AVENUE
20TH FLOOR
NEW YORK, NY 10022
    X    
COHEN PETER A
C/O RAMIUS LLC
599 LEXINGTON AVENUE, 20TH FLOOR
NEW YORK, NY 10022
    X   See Explanation of Responses
STARK MORGAN B
C/O RAMIUS LLC
599 LEXINGTON AVENUE, 20TH FLOOR
NEW YORK, NY 10022
    X   See Explanation of Responses
STRAUSS THOMAS W
C/O RAMIUS LLC
599 LEXINGTON AVENUE, 20TH FLOOR
NEW YORK, NY 10022
    X   See Explanation of Responses
SOLOMON JEFFREY M
C/O RAMIUS LLC
599 LEXINGTON AVENUE, 20TH FLOOR
NEW YORK, NY 10022
    X   See Explanation of Responses

Signatures

 By: C4S & Co., L.L.C., By: /s/ Owen S. Littman, as Attorney in Fact for Jeffrey M. Solomon, as Managing Member   04/21/2008
**Signature of Reporting Person Date

 By: /s/ Owen S. Littman, as Attorney in Fact for Peter A. Cohen   04/21/2008
**Signature of Reporting Person Date

 By: /s/ Owen S. Littman, as Attorney in Fact for Morgan B. Stark   04/21/2008
**Signature of Reporting Person Date

 By: /s/ Owen S. Littman, as Attorney in Fact for Thomas W. Strauss   04/21/2008
**Signature of Reporting Person Date

 By: /s/ Owen S. Littman, as Attorney in Fact for Jeffrey M. Solomon   04/21/2008
**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) Each Reporting Person may be deemed to be a member of a Section 13(d) group that owns more than 10% of the Issuer's outstanding shares of Common Stock. To enable all of the Reporting Persons to gain access to the Securities and Exchange Commission's electronic filing system (which only accepts a maximum of 10 joint filers per report), this report is the second of two identical reports relating to the same transaction being filed with the Securities and Exchange Commission.
(2) Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of these securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
(3) Shares of Common Stock beneficially owned by RCG Baldwin, L.P. (Baldwin). C4S & Co., L.L.C. (C4S), as the managing member of Ramius, the sole member of Ramius Advisors, LLC (Ramius Advisors), the general partner of Baldwin, may be deemed to beneficially own the shares of Common Stock beneficially owned by Baldwin. As the managing members of C4S, each of Messrs. Cohen, Stark, Solomon and Strauss may be deemed to beneficially own the shares of Common Stock beneficially owned by Baldwin.
(4) Mr. Cohen also beneficially owns 32,780 shares of Common Stock, 12,500 shares of which are owned by him individually and 20,280 shares of which are held in managed accounts over which he has voting and/or dispositive power.
(5) Shares of Common Stock beneficially owned by RCG Enterprise, Ltd (RCG Enterprise). C4S, as the managing member of Ramius, the investment manager of RCG Enterprise, may be deemed to beneficially own the shares of Common Stock beneficially owned by RCG Enterprise. As the managing members of C4S, each of Messrs. Cohen, Stark, Solomon and Strauss may be deemed to beneficially own the shares of Common Stock beneficially owned by RCG Enterprise.
(6) Shares of Common Stock beneficially owned by RCG Carpathia Master Fund, Ltd (Carpathia). C4S, as the managing member of Ramius, the investment advisor of Carpathia, may be deemed to beneficially own the shares of Common Stock beneficially owned by Carpathia. As the managing members of C4S, each of Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon and Thomas W. Strauss may be deemed to beneficially own the shares of Common Stock beneficially owned by Carpathia.
(7) Warrants beneficially owned by Baldwin. C4S, as the managing member of Ramius, the sole member of Ramius Advisors, the general partner of Baldwin, may be deemed to beneficially own the Warrants beneficially owned by Baldwin. As the managing members of C4S, each of Messrs. Cohen, Stark, Solomon and Strauss may be deemed to beneficially own the Warrants beneficially owned by Baldwin.
(8) Mr. Cohen beneficially owns 30,700 Warrants, 10,000 of which are owned by him individually and 20,700 of which are held in managed accounts over which he has voting and/or dispositive power.
(9) Mr. Solomon beneficially owns 6,000 Warrants, 1,000 of which are owned by him individually and 5,000 of which are held in managed accounts over which he has voting and/or dispositive power.
(10) Warrants beneficially owned by Carpathia. C4S, as the managing member of Ramius, the investment advisor of Carpathia, may be deemed to beneficially own the Warrants beneficially owned by Carpathia. As the managing members of C4S, each of Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon and Thomas W. Strauss may be deemed to beneficially own the Warrants beneficially owned by Carpathia.
(11) Warrants beneficially owned by RCG Enterprise. As a result of a reorganization of certain of the Reporting Persons and their affilates, the Warrants beneficially owned by Ramius Securities, L.L.C. (Ramius Securities), were transferred to RCG Enterprise, its affiliate. As of the date hereof, Ramius Securities no longer beneficially owns any Warrants. C4S, as the managing member of Ramius, the investment manager of RCG Enterprise, may be deemed to beneficially own the Warrants beneficially owned by RCG Enterprise. As the managing members of C4S, each of Messrs. Cohen, Stark, Solomon and Strauss may be deemed to beneficially own the shares of Common Stock beneficially owned by RCG Enterprise.
(12) Warrants beneficially owned by RCG Crimson, LP (Crimson). As the managing member of Ramius, the general partner of Crimson, C4S may be deemed to beneficially own the Warrants beneficially owned by Crimson. As the managing members of C4S, each of Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon and Thomas W. Strauss may be deemed to beneficially own the Warrants beneficially owned by Crimson.

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