Company:  WEIBO CORP (WB)
Form Type:  6-K
Filing Date:  7/5/2019 
CIK:  0001595761 
Address:  8/F, QIHAO PLAZA, NO. 8 XINYUAN S. ROAD,
CHAOYANG DISTRICT
 
City, State, Zip:  BEIJING,  100027 
Telephone:  86 10 6061-8000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$35.10  
Change: 
-0.26 (-0.74%)  
Trade Time: 
Aug 11  
Market Cap: 
$4.38B
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Description of Business
SINA, our parent, launched Weibo in August 2009, originally as a microblogging service. In 2010, SINA incorporated a subsidiary, T.CN Corporation, in the Cayman Islands to hold the assets associated with the Weibo business. In 2011, Weibo was upgraded with social networking features and improved open platform architecture to support internally developed and third-party developer applications on our platform. In 2012, T.CN Corporation was renamed Weibo Corporation. In April 2013, Alibaba Group invested $585.8 million through its wholly owned subsidiary, Ali WB, in our ordinary and preferred shares representing approximately 18% of Weibo Corporation's then total outstanding shares on a fully diluted basis. In April 2014, our company completed the initial public offering and has been listed on the Nasdaq Global Selected Market since then. Our company was incorporated under the laws of the Cayman Islands and is headquartered in Beijing, China.
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  FORM 6-K
    SIGNATURES
  EXHIBIT 4.1
  EXHIBIT 4.2