6-K 1 a2233501z6-k.htm 6-K
QuickLinks -- Click here to rapidly navigate through this document

 

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549



FORM 6-K



REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16
OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of October 2017

Commission File Number: 001-37361



SINA Corporation
(Registrant's Name)



SINA Plaza, No. 8 Courtyard 10
the West Xibeiwang E. Road
Haidian District, Beijing 100193
People's Republic of China
(Address of Principal Executive Offices)

        Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F ý                                         Form 40-F o

        Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): o

        Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): o

   


        Attached hereto as Exhibit 99.1 is a Letter to the Shareholders of SINA Corporation (the "Company").

Exhibits

Exhibit 99.1—Letter to the Company's Shareholders

ii



SIGNATURES

        Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

    SINA CORPORATION

Date: October 10, 2017

 

By:

 

/s/ Bonnie Yi Zhang

Bonnie Yi Zhang
Chief Financial Officer



QuickLinks

SIGNATURES