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 *
Weili Dai & Sehat Sutardja
  2. Issuer Name and Ticker or Trading Symbol
MARVELL TECHNOLOGY GROUP LTD [MRVL]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Vice President & CEO
(Last)
(First)
(Middle)
5488 MARVELL LANE
3. Date of Earliest Transaction (Month/Day/Year)
12/27/2006
(Street)

SANTA CLARA, CA 95054
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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               20,453,334 (15) I By Sutardja Family Partners (1)
Common Stock               52,252,316 (2) (15) 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
Employee Stock Option (Right to Buy) $ 9.125 12/27/2006   D(1)     2,083,334   (3)(19) 12/26/2013 Common Stock 2,083,334 (3) 0 D  
Employee Stock Option (Right to Buy) $ 10.91 12/27/2006   A(1)   2,083,334     (3)(19) 12/26/2013 Common Stock 2,083,334 (3) 2,083,334 D  
Employee Stock Option (Right to Buy) $ 9.125 12/27/2006   D(2)     3,000,000   (4)(19) 12/26/2013 Common Stock 3,000,000 (4) 0 D  
Employee Stock Option (Right to Buy) $ 10.91 12/27/2006   A(2)   3,000,000     (4)(19) 12/26/2013 Common Stock 3,000,000 (4) 3,000,000 D  
Employee Stock Option (Right to Buy) $ 34.375               (5)(19) 01/31/2016 Common Stock 218,000   218,000 D  
Employee Stock Option (Right to Buy) $ 34.375               (6)(19) 01/31/2016 Common Stock 292,000   292,000 D  
Employee Stock Option (Right to Buy) $ 24.795               (7)(19) 05/25/2016 Common Stock 84,000   84,000 D  
Employee Stock Option (Right to Buy) $ 24.795               (8)(19) 05/25/2016 Common Stock 162,000   162,000 D  
Employee Stock Option (Right to Buy) $ 24.795               (9)(10)(19) 05/25/2016 Common Stock 267,000   267,000 D  
Employee Stock Option (Right to Buy) $ 24.795               (11)(12)(19) 05/25/2016 Common Stock 267,000   267,000 D  
Employee Stock Option (Right to Buy) $ 24.795               (13)(14)(19) 05/25/2016 Common Stock 400,000   400,000 D  
Employee Stock Option (Right to Buy) $ 24.795               (15)(16)(19) 05/25/2016 Common Stock 400,000   400,000 D  
Employee Stock Option (Right to Buy) $ 6.003               (17)(19) 05/06/2012 Common Stock 58,334   58,334 D  
Employee Stock Option (Right to Buy) $ 6.003               (18)(19) 05/06/2012 Common Stock 115,880   115,880 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Weili Dai & Sehat Sutardja
5488 MARVELL LANE
SANTA CLARA, CA 95054
  X   X   Executive Vice President & CEO  
Sehat Sutardja & Weili Dai
5488 MARVELL LANE
SANTA CLARA, CA 95054
  X   X   CEO & Executive Vice President  

Signatures

 By: Weili Dai & Dr. Sehat Sutardja   12/29/2006
**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) Ms. Weili Dai & Dr. Sehat Sutardja are the general partners of The Sutardja Family Partners, a California family limited partnership.
(2) These securities are jointly owned by Ms. Weili Dai and Dr. Sehat Sutardja who are members of a "Group" for purposes of Section 13(d) of the Exchange Act.
(3) The reported transactions result from an agreement with Marvell Technology Group Ltd. (the "Company") involving the reformation of an outstanding option, resulting, for Section 16 reporting purposes only, in the deemed cancellation of the old option and the grant of a replacement option. The reformation increased the exercise price of the option deemed, for section 16 reporting purposes, to have been cancelled and replaced. The other terms of the option, which was originally granted on December 26, 2003, remain unchanged. This option provides for vesting as follows: 25% on 12/26/04 and 83,332 per month from 01/26/05-12/26/07. Options become exercisable as they vest. This option is owned directly by Ms. Weili Dai and indirectly by her spouse, Dr. Sehat Sutardja.
(4) The reported transactions result from an agreement with the Company involving the reformation of an outstanding option, resulting, for Section 16 reporting purposes only, in the deemed cancellation of the old option and the grant of a replacement option. The reformation increased the exercise price of the option deemed, for section 16 reporting purposes, to have been cancelled and replaced. The other terms of the option, which was originally granted on December 26, 2003, remain unchanged. This option provides for vesting as follows: 25% on 12/26/04 and 125,000 per month from 01/26/05-12/26/07. Options become exercisable as they vest. This option is owned directly by Dr. Sehat Sutardja. and indirectly by his spouse, Ms. Weili Dai.
(5) Vests 100% on 01/31/2009. This option is owned directly by Ms. Weili Dai and indirectly by her spouse, Dr. Sehat Sutardja.
(6) Vests 100% on 01/31/2009. This option is owned directly by Dr. Sehat Sutardja and indirectly by his spouse, Ms. Weili Dai.
(7) Vests 50% on 05/25/2007 and 50% on 05/25/2008. This option is owned directly by Ms. Weili Dai and indirectly by her spouse, Dr. Sehat Sutardja.
(8) Vests 50% on 05/25/2007 and 50% on 05/25/2008. This option is owned directly by Dr. Sehat Sutardja and indirectly by his spouse, Ms. Weili Dai.
(9) This option shall become vested and fully exercisable and the shares will be fully vested on the 10-K Due Date corresponding to the first fiscal year ending on or prior to January 30, 2010 in which Pro Forma EPS for such fiscal year exceeds $1.39 (the "Target EPS"). The Target EPS shall be proportionately adjusted by the Executive Compensation Committee of the Board for any stock split, reverse stock split, stock dividend, share combination, recapitalization or similar event effected subsequent to the date of grant. As used herein, "10-K Due Date" shall mean, with respect to the fiscal year in question, the prescribed due date on which the Company's Annual Report on Form 10-K is required to be filed with the Securities and Exchange Commission.
(10) (FOOTNOTE 10 IS A CONTINUATION OF FOOTNOTE 9) "Pro Forma EPS" shall be calculated by adjusting diluted net income per share under generally accepted accounting principles ("GAAP EPS") for the impact of (i) non-cash stock-based compensation charges by adding to GAAP EPS non-cash stock-based compensation expense recognized under Statement of Financial Accounting Standard No. 123 (R) ("SFAS 123R"), and (ii) non-cash charges associated with purchase accounting and other write-off related expenses by adding to GAAP EPS amortization and write-off of acquired intangible assets and other, and acquired in-process research and development. If this option shall not have become vested and fully exercisable as of the 10-K Due Date for the fiscal year ending January 30, 2010, this option shall terminate and be of no further force or effect. This option is owned directly by Ms. Weili Dai and indirectly by her spouse, Dr. Sehat Sutardja.
(11) This option shall become vested and fully exercisable and the shares will be fully vested on the 10-K Due Date corresponding to the first fiscal year ending on or prior to January 30, 2010 in which Pro Forma EPS for such fiscal year exceeds $2.085 (the "Target EPS"). The Target EPS shall be proportionately adjusted by the Executive Compensation Committee of the Board for any stock split, reverse stock split, stock dividend, share combination, recapitalization or similar event effected subsequent to the date of grant. As used herein, "10-K Due Date" shall mean, with respect to the fiscal year in question, the prescribed due date on which the Company's Annual Report on Form 10-K is required to be filed with the Securities and Exchange Commission.
(12) "Pro Forma EPS" shall be calculated by adjusting diluted net income per share under generally accepted accounting principles ("GAAP EPS") for the impact of (i) non-cash stock-based compensation charges by adding to GAAP EPS non-cash stock-based compensation expense recognized under Statement of Financial Accounting Standard No. 123 (R) ("SFAS 123R"), and (ii) non-cash charges associated with purchase accounting and other write-off related expenses by adding to GAAP EPS amortization and write-off of acquired intangible assets and other, and acquired in-process research and development. If this option shall not have become vested and fully exercisable as of the 10-K Due Date for the fiscal year ending January 30, 2010, this option shall terminate and be of no further force or effect. This option is owned directly by Ms. Weili Dai and indirectly by her spouse, Dr. Sehat Sutardja.
(13) This option shall become vested and fully exercisable and the shares will be fully vested on the 10-K Due Date corresponding to the first fiscal year ending on or prior to January 30, 2010 in which Pro Forma EPS for such fiscal year exceeds $1.39 (the "Target EPS"). The Target EPS shall be proportionately adjusted by the Executive Compensation Committee of the Board for any stock split, reverse stock split, stock dividend, share combination, recapitalization or similar event effected subsequent to the date of grant. As used herein, "10-K Due Date" shall mean, with respect to the fiscal year in question, the prescribed due date on which the Company's Annual Report on Form 10-K is required to be filed with the Securities and Exchange Commission.
(14) "Pro Forma EPS" shall be calculated by adjusting diluted net income per share under generally accepted accounting principles ("GAAP EPS") for the impact of (i) non-cash stock-based compensation charges by adding to GAAP EPS non-cash stock-based compensation expense recognized under Statement of Financial Accounting Standard No. 123 (R) ("SFAS 123R"), and (ii) non-cash charges associated with purchase accounting and other write-off related expenses by adding to GAAP EPS amortization and write-off of acquired intangible assets and other, and acquired in-process research and development. If this option shall not have become vested and fully exercisable as of the 10-K Due Date for the fiscal year ending January 30, 2010, this option shall terminate and be of no further force or effect. This option is owned directly by Dr. Sehat Sutardja and indirectly by his spouse, Ms. Weili Dai.
(15) This option shall become vested and fully exercisable and the shares will be fully vested on the 10-K Due Date corresponding to the first fiscal year ending on or prior to January 30, 2010 in which Pro Forma EPS for such fiscal year exceeds $2.085 (the "Target EPS"). The Target EPS shall be proportionately adjusted by the Executive Compensation Committee of the Board for any stock split, reverse stock split, stock dividend, share combination, recapitalization or similar event effected subsequent to the date of grant. As used herein, "10-K Due Date" shall mean, with respect to the fiscal year in question, the prescribed due date on which the Company's Annual Report on Form 10-K is required to be filed with the Securities and Exchange Commission.
(16) "Pro Forma EPS" shall be calculated by adjusting diluted net income per share under generally accepted accounting principles ("GAAP EPS") for the impact of (i) non-cash stock-based compensation charges by adding to GAAP EPS non-cash stock-based compensation expense recognized under Statement of Financial Accounting Standard No. 123 (R) ("SFAS 123R"), and (ii) non-cash charges associated with purchase accounting and other write-off related expenses by adding to GAAP EPS amortization and write-off of acquired intangible assets and other, and acquired in-process research and development. If this option shall not have become vested and fully exercisable as of the 10-K Due Date for the fiscal year ending January 30, 2010, this option shall terminate and be of no further force or effect. This option is owned directly by Dr. Sehat Sutardja and indirectly by his spouse, Ms. Weili Dai.
(17) This option vests as follows: 25% on 06/06/03 and 8,333 shares per month from 07/06/03-06/06/06. Options become exercisable as they vest. This option is owned directly by Ms. Weili Dai and indirectly by her spouse, Dr. Sehat Sutardja.
(18) This option vests as follows: 25% on 06/06/03 and 16,666 shares per month from 07/06/03-06/06/06. Options become exercisable as they vest. This option is owned directly by Dr. Sehat Sutardja and indirectly by his spouse, Ms. Wei Dai.
(19) On July 10, 2006, the common stock of MRVL split 2-for-1. All beneficially owned securities and derivative securities beneficially owned by the reporting person and the respective option prices have been adjusted accordingly.

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