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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. ___________)*
SINA CORPORATION
(Name of Issuer)
Common Shares
(Title of Class of Securities)
2579230
(CUSIP Number)
April 10, 2006
(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)
[x] Rule 13d-1(c)
[ ] Rule 13d-1(d)
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
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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Page 1 of 6 Pages
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CUSIP No. 2579230 13G Page 2 of 6 Pages
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1. Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only).
Michael J.G. Gleissner
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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
Germany
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Number of 5. Sole Voting Power
3,434,126
Shares --------------------------------------------------------------
Beneficially 6. Shared Voting Power
0
Owned by
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Each Reporting 7. Sole Dispositive Power
3,434,126
Person With
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8. Shared Dispositive Power
0
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9. Aggregate Amount Beneficially Owned by Each Reporting Person
3,434,126 shares
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10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)
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11. Percent of Class Represented by Amount in Row (9)
Approximately 6.4% as of the date of filing.
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12. Type of Reporting Person (See Instructions)
IN
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Page 2 of 6 Pages
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CUSIP No. 2579230 13G Page 3 of 6 Pages
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Item 1.
Name of Issuer: SINA CORPORATION
(b) Address of Issuer's Principal Executive Offices:
Room 1802, United Plaza
1468 Nan Jing Road West
Shanghai 200040, China
Item 2.
(a) Name of Person Filing: Michael J.G. Gleissner
(b) Address of Principal Business Office or, if none, Residence
10/F Chuk On Building
23 Mercer Street
Sheung Wan
Hong Kong SAR
(c) Citizenship
Germany
(d) Title of Class of Securities
Common
(e) CUSIP Number 2579230
Page 3 of 6 Pages
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CUSIP No. 2579230 13G Page 4 of 6 Pages
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Item 3. If this statement is filed pursuant to ss.ss.240.13d-1(b) or
240.13d-2(b) or (c), check whether the person filing is a:
(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C.
78o).
(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15
U.S.C. 78c).
(d) [ ] Investment company registered under section 8 of the Investment
Company Act of 1940 (15 U.S.C 80a-8).
(e) [ ] An investment adviser in accordance with
ss.240.13d-1(b)(1)(ii)(E);
(f) [ ] An employee benefit plan or endowment fund in accordance with
ss.240.13d-1(b)(1)(ii)(F);
(g) [ ] A parent holding company or control person in accordance with
ss.240.13d-1(b)(1)(ii)(G);
(h) [ ] A savings associations as defined in Section 3(b) of the Federal
Deposit Insurance Act (12 U.S.C. 1813);
(i) [ ] A church plan that is excluded from the definition of an
investment company under section 3(c)(14) of the Investment Company
Act of 1940 (15 U.S.C. 80a-3);
(j) [ ] Group, in accordance with ss.240.13d-1(b)(1)(ii)(J).
If this statement is filed pursuant to Rule 13d-1(c), check this box [X]
Item 4. Ownership:
Michael J.G. Gleissner
(a) Amount beneficially owned: 3,434,126
(b) Percent of class: Approximately 6.4%.
Page 4 of 6 Pages
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CUSIP No. 2579230 13G Page 5 of 6 Pages
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(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote: 3,434,126
(ii) Shared power to vote or to direct the vote: 0.
(iii) Sole power to dispose or to direct the disposition of:
3,434,126
(iv) Shared power to dispose or to direct the disposition of:
0.
Item 5. Ownership of Five Percent or Less of a Class:
Not Applicable
If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five
percent of the class of securities, check the following [ ].
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
Not Applicable.
Item 8. Identification and Classification of Members of the Group
Not Applicable.
Item 9. Notice of Dissolution of Group
Not Applicable.
Page 5 of 6 Pages
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CUSIP No. 2579230 13G Page 6 of 6 Pages
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Item 10. Certification
By signing below I certify that, to the best of my knowledge and belief, the
securities referred to above were not acquired and are not held for the purpose
of or with the effect of changing or influencing the control of the issuer of
the securities and were not acquired and are not held in connection with or as a
participant in any transaction having that purpose or effect.
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.
Dated this 13th day of April 2006.
/s/ Michael J.G. Gleissner
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Michael J.G. Gleissner
Page 6 of 6 Pages