Ostin Technology Group Co., Ltd. SEC filings OST
Ostin Technology Group Co., Ltd. has 134 filings in SEC EDGAR's recent list, going back to Sep 28, 2020. Its latest annual report, Form 20-F, was filed on Jan 26, 2026 for the period ended Sep 30, 2025. The most recent current report (Form 6-K) was filed on Jun 18, 2026. The company's fiscal year ends on September 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B5 | Prospectus supplement | Jun 30, 2025 | — |
| 424B5 | Prospectus supplement | Apr 15, 2025 | — |
| 424B5 | Prospectus supplement | Nov 19, 2024 | — |
| F-1/A | Amendment no. 1 to form f-1 | Aug 30, 2024 | — |
| F-1 | Registration statement (foreign issuer) | Jun 28, 2024 | — |
| 424B5 | Prospectus supplement | Jun 21, 2024 | — |
| F-3 | Shelf registration (foreign issuer) | May 7, 2024 | — |
| 424B4 | Prospectus | Apr 29, 2022 | — |
| F-1/A | Amendment no. 11 to form f-1 | Mar 30, 2022 | — |
| F-1/A | Amendment no. 10 to form f-1 | Feb 23, 2022 | — |
| F-1/A | Amendment no. 9 to form f-1 | Jan 31, 2022 | — |
| F-1/A | Amendment no. 8 to form f-1 | Dec 21, 2021 | — |
| F-1/A | Amendment no. 7 to form f-1 | Dec 6, 2021 | — |
| F-1/A | Amendment no. 6 to form f-1 | Nov 4, 2021 | — |
| F-1/A | Amendment no. 5 to form f-1 | Oct 12, 2021 | — |
| F-1/A | Amendment no. 4 to form f-1 | Sep 21, 2021 | — |
| F-1/A | Amendment no. 3 to form f-1 | Aug 30, 2021 | — |
| F-1/A | Amendment no. 2 to form f-1 | Jul 20, 2021 | — |
| F-1/A | Amendment no. 1 to form f-1 | Jun 23, 2021 | — |
| F-1 | Registration statement (foreign issuer) | Mar 5, 2021 | — |
Showing 20 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Electronic Components, NEC (SIC 3679)
- Listed as
- OST (Nasdaq)
- Fiscal year ends
- September 30
- Incorporated in
- Cayman Islands
- Headquarters
- Nanjiang Jiangsu, China
- SEC filer status
- Non-accelerated filer, Emerging growth company
- SEC CIK
- 1803407
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.