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 |
|---|---|---|---|
| EFFECT | Filing | Sep 5, 2024 | — |
| CORRESP | Letter to the SEC | Sep 3, 2024 | — |
| UPLOAD | Letter from the SEC | Jul 3, 2024 | — |
| EFFECT | Filing | May 28, 2024 | — |
| CORRESP | Letter to the SEC | May 24, 2024 | — |
| UPLOAD | Letter from the SEC | May 13, 2024 | — |
| D | Filing | Jan 26, 2024 | — |
| NT 20-F | Notification of late filing | Jan 31, 2023 | Sep 30, 2022 |
| EFFECT | Filing | Apr 26, 2022 | — |
| CERT | 8a cert | Apr 26, 2022 | — |
| 8-A12B | For registration of certain classes | Apr 26, 2022 | — |
| CORRESP | Letter to the SEC | Apr 22, 2022 | — |
| CORRESP | Letter to the SEC | Apr 22, 2022 | — |
| CORRESP | Letter to the SEC | Mar 29, 2022 | — |
| UPLOAD | Letter from the SEC | Mar 16, 2022 | — |
| CORRESP | Letter to the SEC | Feb 23, 2022 | — |
| UPLOAD | Letter from the SEC | Feb 14, 2022 | — |
| CORRESP | Letter to the SEC | Jan 28, 2022 | — |
| UPLOAD | Letter from the SEC | Jan 4, 2022 | — |
| CORRESP | Letter to the SEC | Dec 20, 2021 | — |
| UPLOAD | Letter from the SEC | Dec 17, 2021 | — |
| CORRESP | Letter to the SEC | Dec 6, 2021 | — |
| UPLOAD | Letter from the SEC | Dec 1, 2021 | — |
| CORRESP | Letter to the SEC | Nov 3, 2021 | — |
| UPLOAD | Letter from the SEC | Oct 28, 2021 | — |
| CORRESP | Letter to the SEC | Oct 12, 2021 | — |
| UPLOAD | Letter from the SEC | Oct 8, 2021 | — |
| CORRESP | Letter to the SEC | Sep 20, 2021 | — |
| UPLOAD | Letter from the SEC | Sep 16, 2021 | — |
| CORRESP | Letter to the SEC | Aug 30, 2021 | — |
| UPLOAD | Letter from the SEC | Aug 20, 2021 | — |
| CORRESP | Letter to the SEC | Jul 20, 2021 | — |
| UPLOAD | Letter from the SEC | Jun 25, 2021 | — |
| CORRESP | Letter to the SEC | Jun 22, 2021 | — |
| UPLOAD | Letter from the SEC | Mar 30, 2021 | — |
| CORRESP | Letter to the SEC | Mar 5, 2021 | — |
| UPLOAD | Letter from the SEC | Oct 23, 2020 | — |
| DRS | Filing | Sep 28, 2020 | — |
Showing 38 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.