Andrew Y. Yan - 18 Mar 2026 Form 3 Insider Report for SINOVAC BIOTECH LTD (SVA)

Role: Director
Signature: /s/ Andrew Y. Yan
Issuer symbol: SVA
Transactions as of: 18 Mar 2026
Net transactions value: $0
Form type: 3
Filing time: 18 Mar 2026, 08:06:35 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Yan Andrew Y	Director	SUITE 1102, 11/F, FIVE PACIFIC PLACE, 28 HENNESSY ROAD, WANCHAI, HONG KONG, CHINA	/s/ Andrew Y. Yan	18 Mar 2026	0001305509

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	SVA	Common shares, par value $0.001 per share						10,780,820	18 Mar 2026	By SAIF Partners IV L.P.	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	a. The Reporting Person is a director and sole shareholder of SAIF IV GP Capital Ltd., which is the sole general partner of SAIF IV GP, L.P., the sole general partner of SAIF Partners IV L.P. b. The Reporting Person may be deemed to beneficially own all the common shares, par value $0.001 per share, of the Issuer held by SAIF Partners IV L.P. c. The Reporting Person disclaims beneficial ownership over such shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16 or for any other purposes.

Content

a. The Reporting Person is a director and sole shareholder of SAIF IV GP Capital Ltd., which is the sole general partner of SAIF IV GP, L.P., the sole general partner of SAIF Partners IV L.P. b. The Reporting Person may be deemed to beneficially own all the common shares, par value $0.001 per share, of the Issuer held by SAIF Partners IV L.P. c. The Reporting Person disclaims beneficial ownership over such shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16 or for any other purposes.