| Filed On | Filing |
|---|---|
| 22 Dec 2020 | SC 13D |
| 11 Jul 2018 | SC 13D |
| 07 Jul 2017 | SC 13D |
| 28 Dec 2012 | SINOVAC BIOTECH LTD. SCHEDULE 13D DECEMBER 27, 2012 |
| 31 May 2011 | SCHEDULE 13D |
| 07 Feb 2008 | SINOVAC BIOTECH SCHEDULE 13D FOR WEI DONG YIN, 02.01.08 |
| 06 Jun 2005 | SINOVAC BIOTECH SCHEDULE 13D, LILY WANG 04.14.05 |
| 13 Feb 2004 | SINOVAC BIOTECH SCHED 13D, HE PING WANG, 01.30.04 |
| 04 Nov 2003 | NET FORCE SYSTEMS SCHEDULE 13D, WEI DONG YIN |
| 04 Nov 2003 | NET FORCE SYSTEMS SCHEDULE 13D, LILY WANG |
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