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 *
  Hamamatsu Shigeyuki
 2. Date of Event Requiring Statement (Month/Day/Year)
10/24/2006		 3. Issuer Name and Ticker or Trading Symbol
NETLOGIC MICROSYSTEMS INC [NETL]
(Last)
(First)
(Middle)
1875 CHARLESTON ROAD		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Interim CFO
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

MOUNTAIN VIEW, CA 94043		 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)

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) 08/18/2005(1) 10/19/2014 Common Stock 10,000 $ 6.49 D  
Stock Option (right to buy) 01/19/2006(2) 01/18/2015 Common Stock 3,021 $ 10.26 D  
Stock Option (right to buy) 04/20/2006(3) 04/19/2015 Common Stock 2,088 $ 12.65 D  
Stock Option (right to buy) 04/26/2006(3) 04/25/2015 Common Stock 2,084 $ 12.49 D  
Stock Option (right to buy) 09/15/2006(4) 09/14/2015 Common Stock 2,627 $ 21.41 D  
Stock Option (right to buy) 09/15/2006(4) 09/14/2006 Common Stock 498 $ 21.41 D  
Stock Option (right to buy) 12/30/2005(5) 12/29/2015 Common Stock 4 $ 27.24 D  
Stock Option (right to buy) 08/01/2007(6) 07/31/2016 Common Stock 5,155 $ 23.4 D  
Stock Option (right to buy) 08/01/2007(6) 07/31/2016 Common Stock 2,345 $ 23.4 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Hamamatsu Shigeyuki
1875 CHARLESTON ROAD
MOUNTAIN VIEW, CA 94043		       Interim CFO  

Signatures

/s/ Shigeyuki Hamamatsu 11/02/2006
**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) This option will vest and become exercisable in equal monthly installments through August 31, 2008.
(2) This option will vest and become exercisable in equal monthly installments through January 31, 2009.
(3) This option will vest and become exercisable in equal monthly installments through April 30, 2009.
(4) This option will vest and become exercisable in equal monthly installments through September 30, 2009.
(5) This option was fully vested on December 30, 2005.
(6) This option will vest and become exercisable with respect to 25% of the shares subject to the option on August 1, 2007, and with respect to 1/36 of the remaining shares subject to such option at the end of each calendar month thereafter.

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