SVA [SINOVAC BIOTECH] SC 13G/A: (Original Filing)
[SCHEDULE 13G/A (Amendment No. 1)* Sinovac Biotech Ltd. (Name of Issuer) Common Stock (Title of Class of Securities) P8696W104 (CUSIP Number) December 31, 2015 (Date of Event Which Requires Filing of this Statement) x Rule 13d-1(b) o Rule 13d-1(c) o Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person’s initial filing on this]