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 *
  Wong Hing Chung
 2. Date of Event Requiring Statement (Month/Day/Year)
10/17/2006		 3. Issuer Name and Ticker or Trading Symbol
SYNAPTICS INC [SYNA]
(Last)
(First)
(Middle)
3120 SCOTT BOULEVARD, SUITE 130		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President of Operations
 5. If Amendment, Date Original Filed(Month/Day/Year)
10/19/2006
(Street)

SANTA CLARA, CA 95054		 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 0
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
Employee Stock Option (Right to Buy)   (1) 09/26/2013 Common Stock 55,000 (2) $ 10.91 D  
Employee Stock Option (Right to Buy)   (3) 10/19/2014 Common Stock 18,000 $ 24.93 D  
Employee Stock Option (Right to Buy)   (4) 10/18/2015 Common Stock 18,000 $ 19.56 D  
Employee Stock Option (Right to Buy)   (5) 07/25/2016 Common Stock 11,250 $ 21.03 D  
Deferred Stock Units (Phantom Stock)   (6)   (7) Common Stock 1,250 $ (8) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Wong Hing Chung
3120 SCOTT BOULEVARD, SUITE 130
SANTA CLARA, CA 95054		       Vice President of Operations  

Signatures

Mary Jo Visneski, as attorney-in-fact 11/08/2006
**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) 25% of the total number of shares subject to the option vested and became exercisable on the twelve month anniversary of the September 26, 2003 date of grant, and 1/48th of the total number of shares subject to the option vested or shall vest and became or shall become exercisable on the 26th day of each month thereafter.
(2) 45,000 of the total number of shares subject to the option (100,000 shares) were previously acquired pursuant to an exercise of options.
(3) 25% of the total number of shares subject to the option vested and became exercisable on the twelve month anniversary of the October 19, 2004 date of grant, and 1/48th of the total number of shares subject to the option vested or shall vest and became or shall become exercisable on the 19th day of each month thereafter.
(4) 25% of the total number of shares subject to the option shall vest and become exercisable on the twelve month anniversary of the October 18, 2005 date of grant, and 1/48th of the total number of shares subject to the option shall vest and become exercisable on the 18th day of each month thereafter.
(5) 25% of the total number of shares subject to the option shall vest and become exercisable on the twelve month anniversary of the July 25, 2006 date of grant, and 1/48th of the total number of shares subject to the option shall vest and become exercisable on the 25th day of each month thereafter.
(6) 25% of the total number of deferred stock units shall vest on July 31, 2007, and 1/16th of the total number of deferred stock units shall vest quarterly thereafter.
(7) Stock will be delivered for vested units as of January 31, April 30, July 31, and October 31 of each year.
(8) Each vested deferred stock unit will be converted into one share of the Issuer's common stock.

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