<SEC-DOCUMENT>0001104659-25-067508-index.html : 20250714
<SEC-HEADER>0001104659-25-067508.hdr.sgml : 20250714
<ACCEPTANCE-DATETIME>20250714060350
ACCESSION NUMBER:		0001104659-25-067508
CONFORMED SUBMISSION TYPE:	SCHEDULE 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250714
DATE AS OF CHANGE:		20250714

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SINOVAC BIOTECH LTD
		CENTRAL INDEX KEY:			0001084201
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				000000000
		STATE OF INCORPORATION:			B9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-79318
		FILM NUMBER:		251120062

	BUSINESS ADDRESS:	
		STREET 1:		NO. 39 SHANGDI XI ROAD
		STREET 2:		HAIDIAN DISTRICT
		CITY:			BEIJING
		STATE:			F4
		ZIP:			100085
		BUSINESS PHONE:		86-10-82890088

	MAIL ADDRESS:	
		STREET 1:		NO. 39 SHANGDI XI ROAD
		STREET 2:		HAIDIAN DISTRICT
		CITY:			BEIJING
		STATE:			F4
		ZIP:			100085

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NET FORCE SYSTEMS INC
		DATE OF NAME CHANGE:	19991110

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SAIF Partners IV L.P.
		CENTRAL INDEX KEY:			0001472789
		ORGANIZATION NAME:           	
		EIN:				000000000
		STATE OF INCORPORATION:			E9

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		SAIF PARTNERS, 2 PACIFIC PL., STE. 2115
		STREET 2:		88 QUEENSWAY
		CITY:			HONG KONG
		STATE:			K3
		ZIP:			00000
		BUSINESS PHONE:		852-2918-2205

	MAIL ADDRESS:	
		STREET 1:		SAIF PARTNERS, 2 PACIFIC PL., STE. 2115
		STREET 2:		88 QUEENSWAY
		CITY:			HONG KONG
		STATE:			K3
		ZIP:			00000
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
</SEC-DOCUMENT>