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 * SANQUINI RICHARD L   2. Issuer Name and Ticker or Trading Symbol SYNAPTICS INC [SYNA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 14087 LOMA RIO DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 08/20/2008 (Street) SARATOGA, CA 95070 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 08/20/2008   S   500 D $ 52.01 3,764 I By Trust (1) Common Stock 08/20/2008   S   100 D $ 51.99 3,664 I By Trust (1) Common Stock 08/20/2008   S   400 D $ 51.98 3,264 I By Trust (1) Common Stock 08/20/2008   S   132 D $ 51.96 3,132 I By Trust (1) Common Stock 08/20/2008   S   200 D $ 51.95 2,932 I By Trust (1) Common Stock 08/20/2008   S   100 D $ 51.92 2,832 I By Trust (1) Common Stock 08/21/2008   M   1,303 A $ 16.4 4,135 I By Trust (1) Common Stock 08/21/2008   M   11,197 A $ 30.26 15,332 I By Trust (1) Common Stock 08/21/2008   M   6,055 A $ 30.71 21,387 I By Trust (1) Common Stock 08/21/2008   M   2,344 A $ 29.44 23,731 I By Trust (1) Common Stock 08/21/2008   S   20,899 D $ 50.99 2,832 I By Trust (1) Common Stock               8 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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

Director Stock Option (Right to Buy)

$ 16.4

08/21/2008

M

1,303

(2)

01/21/2014

Common Stock

1,303

$ 0

0

D

Director Stock Option (Right to Buy)

$ 30.26

08/21/2008

M

11,197

(3)

01/18/2015

Common Stock

11,197

$ 0

1,303

D

Director Stock Option (Right to Buy)

$ 30.71

08/21/2008

M

6,055

(4)

01/17/2016

Common Stock

6,055

$ 0

3,320

D

Director Stock Option (Right to Buy)

$ 29.44

08/21/2008

M

2,344

(5)

01/23/2017

Common Stock

2,344

$ 0

3,906

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SANQUINI RICHARD L 14087 LOMA RIO DRIVE SARATOGA, CA 95070	X

Signatures

Richard L. Sanquini		08/22/2008
**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)	The shares are held by the Reporting Person as Trustee of the Sanquini 2002 Living Trust, dated January 22, 2002.
(2)	25% of the total number of shares subject to the option vested and became exercisable on the twelve month anniversary of the January 21, 2004 vesting commencement date, and 1/48th of the total number of shares subject to the option vested and became exercisable on the 21st day of each month thereafter.
(3)	25% of the total number of shares subject to the option vested and became exercisable on the twelve month anniversary of the January 18, 2005 vesting commencement date, 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 18th day of each month thereafter.
(4)	25% of the total number of shares subject to the option vested and became exercisable on the twelve month anniversary of the January 17, 2006 grant date, 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 17th day of each month thereafter.
(5)	25% of the total number of shares subject to the option vested and became exercisable on the twelve month anniversary of the January 23, 2007 grant date, 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 23rd day of each month thereafter.

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