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 *
TSIANG BENJAMIN S
   2. Issuer Name and Ticker or Trading Symbol
SINA CORP [sina] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP of Product Development
(Last)
(First)
(Middle)
3. Date of Earliest Transaction (Month/Day/Year)
10/29/2004
(Street)

 		 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
ordinary shares 10/29/2004   M   6,667 A $ 3.125 216,469 D  
ordinary shares 10/29/2004   M   10,000 A $ 1.88 226,469 D  
ordinary shares 10/29/2004   M   8,333 A $ 15.47 234,802 D  
ordinary shares 10/29/2004   S   25,000 D $ 33.158 (1) 209,802 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
employee stock option (right to buy) $ 3.125 10/29/2004   M     6,667   (2) 01/08/2011 ordinary shares 6,667 $ 0 2,500 D  
employee stock option (right to buy) $ 1.88 10/29/2004   M     10,000   (3) 08/14/2012 ordinary shares 10,000 $ 0 27,500 D  
employee stock option (right to buy) $ 15.47 10/29/2004   M     8,333   (4) 05/29/2013 ordinary shares 8,333 $ 0 26,250 D  
employee stock option (right to buy) $ 24.23               (5) 07/27/2014 ordinary shares 30,000   30,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
TSIANG BENJAMIN S

 		       EVP of Product Development  

Signatures

 /s/ Benjamin Tsiang   11/02/2004
**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) average sales price per share based on range of sales prices from $33.09 to $33.22.
(2) vests in 48 equal monthly installments starting from 1/8/01. exercisable upon vested.
(3) vests in 48 equal monthly installments starting from 8/14/02. exercisable upon vested.
(4) options granted vest over a four-year period starting from 5/29/03. 12.5% of the options vest on 11/29/03 and the remaining options vest ratably on a monthly basis over the remaining 42 months.
(5) options granted vest over a four-year period starting from 7/27/04. 12.5% of the options vest on 1/27/05 and the remaining options vest ratably on a monthly basis over the remaining 42 months.

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