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 *
Tsai Chen Lung
  2. Issuer Name and Ticker or Trading Symbol
SILICON STORAGE TECHNOLOGY INC [SSTI]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Sr. VP, WW Backend Opns.
(Last)
(First)
(Middle)
C/O SILICON STORAGE TECHNOLOGY, INC., 1020 KIFER ROAD
3. Date of Earliest Transaction (Month/Day/Year)
04/07/2010
(Street)

SUNNYVALE, CA 94086
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 04/08/2010   D   102,705 D (1) 0 D  

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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
Option (Right to Buy) $ 3.25 04/07/2010   D(2)     39,175   (3) 06/01/2018 Common Stock 39,175 $ 0 0 D  
Option (Right to Buy) $ 6.26 04/07/2010   A(2)   39,175     (3) 06/01/2018 Common Stock 39,175 $ 0 39,175 D  
Option (Right to Buy) $ 6.26 04/08/2010   D     39,175   (1) 04/08/2010 Common Stock 39,175 $ 0 0 D  
Option (Right to Buy) $ 3.25 04/07/2010   D(2)     20,825 04/07/2010 06/01/2018 Common Stock 20,825 $ 0 0 D  
Option (Right to Buy) $ 6.26 04/07/2010   A(2)   20,825   04/07/2010 06/01/2018 Common Stock 20,825 $ 0 20,825 D  
Option (Right to Buy) $ 6.26 04/08/2010   D     20,825   (1) 04/08/2010 Common Stock 20,825 $ 0 0 D  
Option (Right to Buy) $ 3.65 04/07/2010   D(2)     10,010 04/07/2010 10/15/2012 Common Stock 10,010 $ 0 0 D  
Option (Right to Buy) $ 6.66 04/07/2010   A(2)   10,010   04/07/2010 10/15/2012 Common Stock 10,010 $ 0 10,010 D  
Option (Right to Buy) $ 6.66 04/08/2010   D     10,010   (1) 04/08/2010 Common Stock 10,010 $ 0 0 D  
Option (Right to Buy) $ 4.46 04/07/2010   D(2)     2,127 04/07/2010 10/01/2011 Common Stock 2,127 $ 0 0 D  
Option (Right to Buy) $ 7.47 04/07/2010   A(2)   2,127   04/07/2010 10/01/2011 Common Stock 2,127 $ 0 2,127 D  
Option (Right to Buy) $ 7.47 04/08/2010   D     2,127   (1) 04/08/2010 Common Stock 2,127 $ 0 0 D  
Option (Right to Buy) $ 4.46 04/07/2010   D(2)     11,794 04/07/2010 10/01/2011 Common Stock 11,794 $ 0 0 D  
Option (Right to Buy) $ 7.47 04/07/2010   A(2)   11,794   04/07/2010 10/01/2011 Common Stock 11,794 $ 0 11,794 D  
Option (Right to Buy) $ 7.47 04/08/2010   D     11,794   (1) 04/08/2010 Common Stock 11,794 $ 0 0 D  
Option (Right to Buy) $ 4.8 04/07/2010   D(2)     7,955 04/07/2010 10/16/2016 Common Stock 7,955 $ 0 0 D  
Option (Right to Buy) $ 7.81 04/07/2010   A(2)   7,955   04/07/2010 10/16/2016 Common Stock 7,955 $ 0 7,955 D  
Option (Right to Buy) $ 7.81 04/08/2010   D     7,955   (1) 04/08/2010 Common Stock 7,955 $ 0 0 D  
Option (Right to Buy) $ 5.02 04/07/2010   D(2)     9,548 04/07/2010 10/11/2015 Common Stock 9,548 $ 0 0 D  
Option (Right to Buy) $ 8.03 04/07/2010   A(2)     9,548 04/07/2010 10/11/2015 Common Stock 9,548 $ 0 9,548 D  
Option (Right to Buy) $ 8.03 04/08/2010   D     9,548   (1) 04/08/2010 Common Stock 9,548 $ 0 0 D  
Option (Right to Buy) $ 5.02 04/07/2010   D(2)     2,952 04/07/2010 10/11/2015 Common Stock 2,952 $ 0 0 D  
Option (Right to Buy) $ 8.03 04/07/2010   A(2)   2,952   04/07/2010 10/11/2015 Common Stock 2,952 $ 0 2,952 D  
Option (Right to Buy) $ 8.03 04/08/2010   D     2,952   (1) 04/08/2010 Common Stock 2,952 $ 0 0 D  
Option (Right to Buy) $ 5.02 04/07/2010   D(2)     6,771 04/07/2010 10/11/2015 Common Stock 6,771 $ 0 0 D  
Option (Right to Buy) $ 8.03 04/07/2010   A(2)   6,711   04/07/2010 10/11/2015 Common Stock 6,711 $ 0 6,711 D  
Option (Right to Buy) $ 8.03 04/08/2010   D     6,711   (1) 04/08/2010 Common Stock 6,711 $ 0 0 D  
Option (Right to Buy) $ 5.02 04/07/2010   D(2)     5,729 04/07/2010 10/11/2015 Common Stock 5,729 $ 0 0 D  
Option (Right to Buy) $ 8.03 04/07/2010   A(2)   5,729   04/07/2010 10/11/2015 Common Stock 5,729 $ 0 5,729 D  
Option (Right to Buy) $ 8.03 04/08/2010   D     5,729   (1) 04/08/2010 Common Stock 5,729 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Tsai Chen Lung
C/O SILICON STORAGE TECHNOLOGY, INC.
1020 KIFER ROAD
SUNNYVALE, CA 94086
      Sr. VP, WW Backend Opns.  

Signatures

 Chen Tsai   04/09/2010
**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) Disposed of pursuant to the that certain Agreement and Plan of Merger dated February 2, 2010, by and among the Issuer, Microchip Technology Incorporated and Sun Acquisition Corporation, as amended.
(2) The reported transaction involved an amendment of an outstanding option in connection with the settlement of certain shareholder derivative actions, resulting for purposes of Section 16 in the deemed cancellation of a portion of the "old" option and the grant of a replacement option. The amendment is solely for the purpose of increasing the exercise price of the portion of the option deemed to have been cancelled and replaced.
(3) The shares subject to the option vest as to 25% on June 1, 2009 and 2.083% per month thereafter for three years.

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