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CHAO CHARLES GUOWEI
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Date Filed
Type
Description
03/24/2021
SC 13D/A
Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend]
09/29/2020
SC 13D/A
Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend]
07/10/2020
SC 13D/A
Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend]
11/15/2017
SC 13D/A
Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend]
06/16/2017
SC 13D/A
Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend]
12/26/2012
SC 13D/A
Form SC 13D - General statement of acquisition of beneficial ownership [amend]
09/28/2012
SC 13D/A
CHAO CHARLES GUOWEI reports a 6.8% stake in SINA Corporation
06/08/2011
SC 13D/A
Form SC 13D - General statement of acquisition of beneficial ownership [amend]
01/06/2011
SC 13D/A
CHAO CHARLES GUOWEI has filed a Schedule 13D for SINA Corporation
09/16/2010
SC 13D/A
Form SC 13D - General statement of acquisition of beneficial ownership [amend]
04/27/2010
SC 13D/A
Form SC 13D - General statement of acquisition of beneficial ownership [amend]
12/11/2009
SC 13D/A
Form SC 13D - General statement of acquisition of beneficial ownership [amend]
12/07/2009
SC 13D
Form SC 13D - General statement of acquisition of beneficial ownership
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