UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 UNDER
THE SECURITIES EXCHANGE ACT OF 1934
For the month of May 2025
Commission File Number: 001-32371
SINOVAC BIOTECH LTD.
No. 39 Shangdi Xi Rd, 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 of Form 20-F or Form 40-F.
Form 20-F x Form 40-F ¨
Notice of Special Meeting of Shareholders
On May 19, 2025, Sinovac Biotech Ltd. disseminated a notice of a special meeting of shareholders (the “Notice”) to valid shareholders of record as of May 19, 2025. A form of the Notice is attached to this Form 6-K as Exhibit 99.1.
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/ Chiang Li | |
| Name: | Dr. Chiang Li | |
| Title: | Chairman of the Board of Directors | |
Dated: May 20, 2025
EXHIBIT INDEX
| Exhibit No. | Description | |
| Exhibit 99.1 | Form of Notice of Special Meeting of Shareholders |