SINOVAC BIOTECH LTD — SCHEDULE 13D/A Filings
21 SCHEDULE 13D/A filings on record
This page lists all SCHEDULE 13D/A filings submitted to the SEC by SINOVAC BIOTECH LTD (SVA), sorted by most recent first. Each row links to the full filing on EdgarLookup. SINOVAC BIOTECH LTD has filed 21 SCHEDULE 13D/A documents with the SEC since 2000. To view all SEC filings by SINOVAC BIOTECH LTD, see the full filings list.
All
20-F
20-F/A
20FR12G
20FR12G/A
25
3
4
424B3
424B5
6-K
6-K/A
8-A12B
8-A12B/A
8-A12G
8-K
CERTNAS
CERTNYS
CORRESP
EFFECT
F-1
F-1/A
F-3
F-3MEF
NT 20-F
NT 20-F/A
PRE 14A
REGDEX
S-8
SC 13D
SC 13D/A
SC 13E3
SC 13E3/A
SC 13G
SC 13G/A
SC 14D9
SC TO-T
SC TO-T/A
SCHEDULE 13D
SCHEDULE 13D/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13D/A | — | 0001104659-25-121832 | Dec 17, 2025 | — |
| SCHEDULE 13D/A | — | 0001193805-25-001290 | Sep 12, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-067910 | Jul 15, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-067533 | Jul 14, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-067508 | Jul 14, 2025 | — |
| SCHEDULE 13D/A | — | 0001213900-25-063364 | Jul 11, 2025 | — |
| SCHEDULE 13D/A | — | 0001214659-25-010107 | Jul 7, 2025 | — |
| SCHEDULE 13D/A | — | 0001214659-25-010065 | Jul 3, 2025 | — |
| SCHEDULE 13D/A | — | 0001214659-25-009866 | Jul 1, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-060858 | Jun 20, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-060030 | Jun 17, 2025 | — |
| SCHEDULE 13D/A | — | 0001213900-25-054408 | Jun 13, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-052435 | May 23, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-041682 | Apr 30, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-041188 | Apr 29, 2025 | — |
| SCHEDULE 13D/A | — | 0001213900-25-035118 | Apr 24, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-033516 | Apr 10, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-026740 | Mar 21, 2025 | — |
| SCHEDULE 13D/A | — | 0001213900-25-024983 | Mar 19, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-025312 | Mar 19, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-015148 | Feb 19, 2025 | — |