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Ostin Technology Group Co., Ltd. SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0001803407.
Total Filings
133
Latest Filing
02 Apr 2026
Industry
Electronic Components, Nec
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- Symbol
- OST on Nasdaq
- Business address
- Room 101 Building 2 Kechuang Road 1, Qixia District, Nanjiang Jiangsu, China, 231300
- State of incorporation
- Cayman Islands
- Fiscal year end
- 30 September
Quick Takeaways
- Ostin Technology Group Co., Ltd. is an SEC filer tracked under CIK 0001803407.
- 133 filings are listed on this profile.
- Common form coverage includes 3, 6-K, 20-F and more.
What Changed
- Latest filing: 3 filed on 02 Apr 2026.
- Report period: 18 Mar 2026.
Why This Matters
- You can quote filing dates and form types directly from the SEC record on this page.
- Use this profile before deeper ownership or insider analysis to confirm filing history context.
Official SEC Source
Filer Overview
Ostin Technology Group Co., Ltd. has filed 133 SEC EDGAR filings since 28 Sep 2020. Common forms include 3, 6-K, 20-F, SCHEDULE 13G/A and more.
Latest Filings
Recent SEC filings for Ostin Technology Group Co., Ltd. with direct links to document and filing folders.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open 3 document | View SEC filing for 3 | 02 Apr 2026 | 18 Mar 2026 | ||
| 3 | Open 3 document | View SEC filing for 3 | 02 Apr 2026 | 18 Mar 2026 | ||
| 3 | Open 3 document | View SEC filing for 3 | 02 Apr 2026 | 18 Mar 2026 | ||
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 01 Apr 2026 | 01 Apr 2026 | 001-41362 |
| 20-F | Open 20-F document | Open XBRL data | View SEC filing for 20-F | ANNUAL REPORT | 26 Jan 2026 | 30 Sep 2025 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 08 Jan 2026 | 08 Jan 2026 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 13 Nov 2025 | 13 Nov 2025 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 21 Oct 2025 | 21 Oct 2025 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 26 Sep 2025 | 26 Sep 2025 | 001-41362 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 14 Aug 2025 | 005-94436 | ||
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 06 Aug 2025 | 06 Aug 2025 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 18 Jul 2025 | 18 Jul 2025 | 001-41362 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 15 Jul 2025 | 005-94436 | ||
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 15 Jul 2025 | 005-94436 | ||
| 6-K/A | Open 6-K/A document | View SEC filing for 6-K/A | AMENDMENT NO. 1 TO FORM 6-K | 10 Jul 2025 | 10 Jul 2025 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 03 Jul 2025 | 03 Jul 2025 | 001-41362 |
| 6-K | Open 6-K document | Open XBRL data | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 01 Jul 2025 | 30 Jun 2025 | 001-41362 |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | PROSPECTUS SUPPLEMENT | 30 Jun 2025 | 333-279177 | |
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 30 Jun 2025 | 005-94436 | ||
| 6-K | Open 6-K document | Open XBRL data | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 30 Jun 2025 | 31 Mar 2025 | 001-41362 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 25 Jun 2025 | 005-94436 | ||
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 25 Jun 2025 | 005-94436 | ||
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 13 Jun 2025 | 005-94436 | ||
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 13 Jun 2025 | 005-94436 | ||
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 13 Jun 2025 | 005-94436 | ||
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 13 Jun 2025 | 005-94436 | ||
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 29 May 2025 | 005-94436 | ||
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 29 May 2025 | 005-94436 | ||
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 29 May 2025 | 005-94436 | ||
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 29 May 2025 | 005-94436 | ||
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 29 May 2025 | 005-94436 | ||
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 29 May 2025 | 005-94436 | ||
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 29 May 2025 | 005-94436 | ||
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 29 May 2025 | 005-94436 | ||
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 12 May 2025 | 12 May 2025 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 02 May 2025 | 02 May 2025 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 16 Apr 2025 | 16 Apr 2025 | 001-41362 |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | PROSPECTUS SUPPLEMENT | 15 Apr 2025 | 333-279177 | |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 09 Apr 2025 | 09 Apr 2025 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | CURRENT REPORT | 01 Apr 2025 | 01 Apr 2025 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 21 Mar 2025 | 21 Mar 2025 | 001-41362 |
| 144 | Open 144 document | View SEC filing for 144 | 04 Mar 2025 | 001-41362 | ||
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 14 Feb 2025 | 14 Feb 2025 | 001-41362 |
| 20-F | Open 20-F document | Open XBRL data | View SEC filing for 20-F | ANNUAL REPORT | 27 Jan 2025 | 30 Sep 2024 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 23 Jan 2025 | 23 Jan 2025 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 21 Jan 2025 | 17 Jan 2025 | 001-41362 |
| 6-K/A | Open 6-K/A document | View SEC filing for 6-K/A | AMENDMENT NO. 1 TO FORM 6-K | 23 Dec 2024 | 23 Dec 2024 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 20 Dec 2024 | 20 Dec 2024 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 27 Nov 2024 | 27 Nov 2024 | 001-41362 |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | PROSPECTUS SUPPLEMENT | 19 Nov 2024 | 333-279177 | |
| 6-K | Open 6-K document | View SEC filing for 6-K | CURRENT REPORT | 08 Nov 2024 | 08 Nov 2024 | 001-41362 |
| 144 | Open 144 document | View SEC filing for 144 | 11 Oct 2024 | 001-41362 | ||
| 144 | Open 144 document | View SEC filing for 144 | 11 Oct 2024 | 001-41362 | ||
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 04 Oct 2024 | 04 Oct 2024 | 001-41362 |
| EFFECT | Open EFFECT document | View SEC filing for EFFECT | 05 Sep 2024 | 333-280614 | ||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 03 Sep 2024 | |||
| F-1/A | Open F-1/A document | View SEC filing for F-1/A | AMENDMENT NO. 1 TO FORM F-1 | 30 Aug 2024 | 333-280614 | |
| 6-K | Open 6-K document | Open XBRL data | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 26 Aug 2024 | 31 Mar 2024 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 24 Jul 2024 | 24 Jul 2024 | 001-41362 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 03 Jul 2024 | 333-280614 | ||
| F-1 | Open F-1 document | View SEC filing for F-1 | REGISTRATION STATEMENT | 28 Jun 2024 | 333-280614 | |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 27 Jun 2024 | 27 Jun 2024 | 001-41362 |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | PROSPECTUS SUPPLEMENT | 21 Jun 2024 | 333-279177 | |
| EFFECT | Open EFFECT document | View SEC filing for EFFECT | 28 May 2024 | 333-279177 | ||
| 144 | Open 144 document | View SEC filing for 144 | 24 May 2024 | 001-41362 | ||
| 144 | Open 144 document | View SEC filing for 144 | 24 May 2024 | 001-41362 | ||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 24 May 2024 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 13 May 2024 | 333-279177 | ||
| F-3 | Open F-3 document | View SEC filing for F-3 | REGISTRATION STATEMENT | 07 May 2024 | 333-279177 | |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 02 Apr 2024 | 02 Apr 2024 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | CURRENT REPORT | 14 Mar 2024 | 14 Mar 2024 | 001-41362 |
| SC 13D | Open SC 13D document | View SEC filing for SC 13D | SCHEDULE 13D | 20 Feb 2024 | 005-94436 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 14 Feb 2024 | 005-94436 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 14 Feb 2024 | 005-94437 | |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 07 Feb 2024 | 07 Feb 2024 | 001-41362 |
| 20-F | Open 20-F document | Open XBRL data | View SEC filing for 20-F | ANNUAL REPORT | 31 Jan 2024 | 30 Sep 2023 | 001-41362 |
| D | Open D document | View SEC filing for D | 26 Jan 2024 | 021-503643 | ||
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 26 Jan 2024 | 26 Jan 2024 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 24 Jan 2024 | 24 Jan 2024 | 001-41362 |
| 144 | Open 144 document | View SEC filing for 144 | 20 Nov 2023 | 001-41362 | ||
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 04 Oct 2023 | 04 Oct 2023 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 28 Sep 2023 | 28 Sep 2023 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 30 Aug 2023 | 30 Aug 2023 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 15 Aug 2023 | 15 Aug 2023 | 001-41362 |
| 6-K | Open 6-K document | Open XBRL data | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 03 Aug 2023 | 31 Mar 2023 | 001-41362 |
| 20-F | Open 20-F document | Open XBRL data | View SEC filing for 20-F | ANNUAL REPORT | 16 Feb 2023 | 30 Sep 2022 | 001-41362 |
| NT 20-F | Open NT 20-F document | View SEC filing for NT 20-F | NOTIFICATION OF LATE FILING | 31 Jan 2023 | 30 Sep 2022 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 19 Aug 2022 | 19 Aug 2022 | 001-41362 |
| 6-K | Open 6-K document | View SEC filing for 6-K | 26 Jul 2022 | 26 Jul 2022 | 001-41362 | |
| 6-K | Open 6-K document | View SEC filing for 6-K | REPORT OF FOREIGN PRIVATE ISSUER | 05 May 2022 | 05 May 2022 | 001-41362 |
| 424B4 | Open 424B4 document | View SEC filing for 424B4 | PROSPECTUS | 29 Apr 2022 | 333-253959 | |
| EFFECT | Open EFFECT document | View SEC filing for EFFECT | 26 Apr 2022 | 333-253959 | ||
| CERT | Open CERT document | View SEC filing for CERT | 8A CERT | 26 Apr 2022 | 001-41362 | |
| 8-A12B | Open 8-A12B document | View SEC filing for 8-A12B | FOR REGISTRATION OF CERTAIN CLASSES | 26 Apr 2022 | 001-41362 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 22 Apr 2022 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 22 Apr 2022 | |||
| F-1/A | Open F-1/A document | View SEC filing for F-1/A | AMENDMENT NO. 11 TO FORM F-1 | 30 Mar 2022 | 333-253959 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 29 Mar 2022 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 16 Mar 2022 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 23 Feb 2022 | |||
| F-1/A | Open F-1/A document | View SEC filing for F-1/A | AMENDMENT NO. 10 TO FORM F-1 | 23 Feb 2022 | 333-253959 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 14 Feb 2022 | |||
| F-1/A | Open F-1/A document | View SEC filing for F-1/A | AMENDMENT NO. 9 TO FORM F-1 | 31 Jan 2022 | 333-253959 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 28 Jan 2022 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 04 Jan 2022 | |||
| F-1/A | Open F-1/A document | View SEC filing for F-1/A | AMENDMENT NO. 8 TO FORM F-1 | 21 Dec 2021 | 333-253959 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 20 Dec 2021 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 17 Dec 2021 | |||
| F-1/A | Open F-1/A document | View SEC filing for F-1/A | AMENDMENT NO. 7 TO FORM F-1 | 06 Dec 2021 | 333-253959 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 06 Dec 2021 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 01 Dec 2021 | |||
| F-1/A | Open F-1/A document | View SEC filing for F-1/A | AMENDMENT NO. 6 TO FORM F-1 | 04 Nov 2021 | 333-253959 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 03 Nov 2021 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 28 Oct 2021 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 12 Oct 2021 | |||
| F-1/A | Open F-1/A document | View SEC filing for F-1/A | AMENDMENT NO. 5 TO FORM F-1 | 12 Oct 2021 | 333-253959 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 08 Oct 2021 | |||
| F-1/A | Open F-1/A document | View SEC filing for F-1/A | AMENDMENT NO. 4 TO FORM F-1 | 21 Sep 2021 | 333-253959 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 20 Sep 2021 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 16 Sep 2021 | |||
| F-1/A | Open F-1/A document | View SEC filing for F-1/A | AMENDMENT NO. 3 TO FORM F-1 | 30 Aug 2021 | 333-253959 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 30 Aug 2021 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 20 Aug 2021 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 20 Jul 2021 | |||
| F-1/A | Open F-1/A document | View SEC filing for F-1/A | AMENDMENT NO. 2 TO FORM F-1 | 20 Jul 2021 | 333-253959 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 25 Jun 2021 | |||
| F-1/A | Open F-1/A document | View SEC filing for F-1/A | AMENDMENT NO. 1 TO FORM F-1 | 23 Jun 2021 | 333-253959 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 22 Jun 2021 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 30 Mar 2021 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 05 Mar 2021 | |||
| F-1 | Open F-1 document | View SEC filing for F-1 | REGISTRATION STATEMENT | 05 Mar 2021 | 333-253959 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 23 Oct 2020 | |||
| DRS | Open DRS document | View SEC filing for DRS | 28 Sep 2020 | 377-03602 |
About this filer
Ostin Technology Group Co., Ltd. files with the SEC under CIK 0001803407. This page aggregates EDGAR filings and related ownership activity.
Industry: Electronic Components, Nec.
FAQ
- What is a CIK?
- A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
- Why are some filings missing?
- New filings appear as the SEC updates EDGAR, and older records can vary by availability.
- How often is this page updated?
- Updates follow new EDGAR submissions and periodic data refreshes.