SINOVAC BIOTECH LTD — Regulatory Filings 2007

Feb 12, 2007

6-K 1 sinovac6k020707.htm SINOVAC BIOTECH LTD. 6K, 02.07.07 html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" Untitled Page

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2007 -------------- Commission File Number: 001-32371 ---------- SINOVAC BIOTECH LTD. 39 Shangdi Xi Road Haidian District Beijing 100085, People’s Republic of China (Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F ___ X ____ Form 40-F _________

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):________________ Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):________________ Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes ________ No ___ X ____

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):

82- ____ N/A ____

SINOVAC BIOTECH LTD. Form 6-K TABLE OF CONTENTS

Page Signature 3 Exhibit 99.1 – Press Release 4

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. SINOVAC BIOTECH LTD. By: /s/ Weidong Yin Name: Weidong Yin Title: Chief Executive Officer, President Date: February 7, 2007