Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  McAuliffe Patrick F
 2. Date of Event Requiring Statement (Month/Day/Year)
05/09/2012		 3. Issuer Name and Ticker or Trading Symbol
NewStar Financial, Inc. [NEWS]
(Last)
(First)
(Middle)
C/O NEWSTAR FINANCIAL, INC., 500 BOYLSTON STREET, SUITE 1250		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Co-Head, Leveraged Finance
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

BOSTON, MA 02116		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 45,367
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy)   (1) 02/12/2015 Common Stock 15,000 $ 7.32 D  
Stock Option (Right to Buy)   (1) 12/13/2016 Common Stock 20,105 $ 17 D  
Stock Option (Right to Buy)   (1) 12/13/2016 Common Stock 12,500 $ 17 D  
Stock Option (Right to Buy)   (1) 02/04/2016 Common Stock 25,000 $ 2.86 D  
Stock Option (Right to Buy)   (2) 05/12/2017 Common Stock 15,000 $ 8.28 D  
Stock Option (Right to Buy)   (2) 05/12/2017 Common Stock 32,605 $ 8.28 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
McAuliffe Patrick F
C/O NEWSTAR FINANCIAL, INC.
500 BOYLSTON STREET, SUITE 1250
BOSTON, MA 02116		       Co-Head, Leveraged Finance  

Signatures

John K. Bray as attorney-in-fact 05/11/2012
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Option is fully vested
(2) Option vests in 3 equal installments on each of February 12, 2011, February 12, 2012 and February 12, 2013

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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