SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
Monolithic System Technology, Inc.
(Name of Issuer)
Common Stock, $0.01 par value
(Title of Class of Securities)
609842 10 9
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(CUSIP Number)
December 31, 2002
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(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:
[ ] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[X] Rule 13d-1(d)
* The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act, but shall be subject to all other provisions of the Act (however, see
the Notes).
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CUSIP No. 609842 10 9 13G Page 2 of 4 Pages
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1) Name of Reporting Person
Wing-Yu Leung
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2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [ ]
(b) [ ]
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3) SEC Use Only
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4) Citizenship or Place of Organization
United States of America
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Number of Shares 5) Sole Voting Power 2,675,303
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Beneficially Owned 6) Shared Voting Power 600,000
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by Each Reporting 7) Sole Dispositive Power 2,675,303
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Person with: 8) Shared Dispositive Power 600,000
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9) Aggregate Amount Beneficially Owned by Each Reporting Person
3,275,303
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10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
[ ] Not applicable. (See Instructions)
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11) Percent of Class Represented by Amount in Row (9)
10.8%
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12) Type of Reporting Person (See Instructions)
IN
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ITEM 1. (a) The name of the issuer is Monolithic System Technology, Inc.
(the "Company").
(b) The principal executive offices of the Company are located at
1020 Stewart Drive, Sunnyvale, California 94085.
ITEM 2. (a) The name of the filing person is Wing-Yu Leung.
(b) The business address for Wing-Yu Leung is 1020 Stewart Drive,
Sunnyvale, California 94085.
(c) Wing-Yu Leung is a citizen of the United States of America.
(d) The title of the class of securities is Common Stock.
(e) The CUSIP number of the Common Stock is 609842 10 9.
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13D-1(B), OR 13D-2(B) OR
(C), CHECK WHETHER THE PERSON FILING IS A:
This statement is being filed pursuant to Rule 13d-1(d).
ITEM 4. OWNERSHIP.
According to the Company's Quarterly Report on Form 10-Q filed on
November 14, 2002, there are 30,200,820 shares of Common Stock issued
and outstanding as of November 7, 2002.
(a) Number of shares beneficially owned: 3,275,303
(b) Percent of class: 10.8%
(c) Number of shares as to which such person has:
(i) Sole power to vote or to direct the vote: 2,675,303
(ii) Shared power to vote or to direct the vote: 600,000
(iii) Sole power to dispose or to direct the disposition of:
2,675,303
(iv) Shared power to dispose or to direct the disposition of:
600,000
Wing-Yu Leung has sole voting and dispositive authority over
2,512,900 shares which he personally owns (in addition, he may
purchase up to 162,403 shares pursuant to options exercisable
within 60 days).
Wing-Yu Leung shares voting and dispositive authority as a
trustee with co-trustee Louise Shun-Yan Leung over 300,000 shares
held in trust for the benefit of his son Michael Pak Shing Leung
(the "Michael Trust"); and he shares voting and dispositive
authority as a trustee with co-trustee Louise Shun-Yan Leung over
300,000 shares held in trust for the benefit of his son Matthew
Pak-Ling Leung (the "Matthew Trust"). Wing-Yu Leung disclaims
beneficial ownership of the 300,000 shares held by the Michael
Trust and the 300,000 shares held by the Matthew Trust as he has
no economic interest in any of these shares.
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.
Not applicable.
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.
Not applicable.
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY OR
CONTROL PERSON.
Not applicable.
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.
Not applicable.
ITEM 9. NOTICE OF DISSOLUTION OF GROUP.
Not applicable.
ITEM 10. CERTIFICATION.
Not applicable.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
Date: February 14, 2003
Wing-Yu Leung
/s/ Wing-Yu Leung
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