Ostin Technology Group Co., Ltd.

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
Ostin Technology Group Co., Ltd. has filed 127 SEC EDGAR filings since 28 Sep 2020

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 13 Nov 2025 13 Nov 2025 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 21 Oct 2025 21 Oct 2025 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 26 Sep 2025 26 Sep 2025 001-41362
SCHEDULE 13G/A Open Document Open Filing 14 Aug 2025 005-94436
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 06 Aug 2025 06 Aug 2025 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 18 Jul 2025 18 Jul 2025 001-41362
SCHEDULE 13G/A Open Document Open Filing 15 Jul 2025 005-94436
SCHEDULE 13G/A Open Document Open Filing 15 Jul 2025 005-94436
6-K/A Open Document Open Filing AMENDMENT NO. 1 TO FORM 6-K 10 Jul 2025 10 Jul 2025 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 03 Jul 2025 03 Jul 2025 001-41362
6-K Open Document | Data Open Filing REPORT OF FOREIGN PRIVATE ISSUER 01 Jul 2025 30 Jun 2025 001-41362
424B5 Open Document Open Filing PROSPECTUS SUPPLEMENT 30 Jun 2025 333-279177
SCHEDULE 13G Open Document Open Filing 30 Jun 2025 005-94436
6-K Open Document | Data Open Filing REPORT OF FOREIGN PRIVATE ISSUER 30 Jun 2025 31 Mar 2025 001-41362
SCHEDULE 13G/A Open Document Open Filing 25 Jun 2025 005-94436
SCHEDULE 13G/A Open Document Open Filing 25 Jun 2025 005-94436
SCHEDULE 13G/A Open Document Open Filing 13 Jun 2025 005-94436
SCHEDULE 13G/A Open Document Open Filing 13 Jun 2025 005-94436
SCHEDULE 13G/A Open Document Open Filing 13 Jun 2025 005-94436
SCHEDULE 13G/A Open Document Open Filing 13 Jun 2025 005-94436
SCHEDULE 13G Open Document Open Filing 29 May 2025 005-94436
SCHEDULE 13G Open Document Open Filing 29 May 2025 005-94436
SCHEDULE 13G Open Document Open Filing 29 May 2025 005-94436
SCHEDULE 13G Open Document Open Filing 29 May 2025 005-94436
SCHEDULE 13G Open Document Open Filing 29 May 2025 005-94436
SCHEDULE 13G Open Document Open Filing 29 May 2025 005-94436
SCHEDULE 13G Open Document Open Filing 29 May 2025 005-94436
SCHEDULE 13G Open Document Open Filing 29 May 2025 005-94436
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 12 May 2025 12 May 2025 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 02 May 2025 02 May 2025 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 16 Apr 2025 16 Apr 2025 001-41362
424B5 Open Document Open Filing PROSPECTUS SUPPLEMENT 15 Apr 2025 333-279177
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 09 Apr 2025 09 Apr 2025 001-41362
6-K Open Document Open Filing CURRENT REPORT 01 Apr 2025 01 Apr 2025 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 21 Mar 2025 21 Mar 2025 001-41362
144 Open Document Open Filing 04 Mar 2025 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 14 Feb 2025 14 Feb 2025 001-41362
20-F Open Document | Data Open Filing ANNUAL REPORT 27 Jan 2025 30 Sep 2024 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 23 Jan 2025 23 Jan 2025 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 21 Jan 2025 17 Jan 2025 001-41362
6-K/A Open Document Open Filing AMENDMENT NO. 1 TO FORM 6-K 23 Dec 2024 23 Dec 2024 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 20 Dec 2024 20 Dec 2024 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 27 Nov 2024 27 Nov 2024 001-41362
424B5 Open Document Open Filing PROSPECTUS SUPPLEMENT 19 Nov 2024 333-279177
6-K Open Document Open Filing CURRENT REPORT 08 Nov 2024 08 Nov 2024 001-41362
144 Open Document Open Filing 11 Oct 2024 001-41362
144 Open Document Open Filing 11 Oct 2024 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 04 Oct 2024 04 Oct 2024 001-41362
EFFECT Open Document Open Filing 05 Sep 2024 333-280614
CORRESP Open Document Open Filing 03 Sep 2024
F-1/A Open Document Open Filing AMENDMENT NO. 1 TO FORM F-1 30 Aug 2024 333-280614
6-K Open Document | Data Open Filing REPORT OF FOREIGN PRIVATE ISSUER 26 Aug 2024 31 Mar 2024 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 24 Jul 2024 24 Jul 2024 001-41362
UPLOAD Open Document Open Filing 03 Jul 2024 333-280614
F-1 Open Document Open Filing REGISTRATION STATEMENT 28 Jun 2024 333-280614
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 27 Jun 2024 27 Jun 2024 001-41362
424B5 Open Document Open Filing PROSPECTUS SUPPLEMENT 21 Jun 2024 333-279177
EFFECT Open Document Open Filing 28 May 2024 333-279177
144 Open Document Open Filing 24 May 2024 001-41362
144 Open Document Open Filing 24 May 2024 001-41362
CORRESP Open Document Open Filing 24 May 2024
UPLOAD Open Document Open Filing 13 May 2024 333-279177
F-3 Open Document Open Filing REGISTRATION STATEMENT 07 May 2024 333-279177
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 02 Apr 2024 02 Apr 2024 001-41362
6-K Open Document Open Filing CURRENT REPORT 14 Mar 2024 14 Mar 2024 001-41362
SC 13D Open Document Open Filing SCHEDULE 13D 20 Feb 2024 005-94436
SC 13G Open Document Open Filing SCHEDULE 13G 14 Feb 2024 005-94436
SC 13G Open Document Open Filing SCHEDULE 13G 14 Feb 2024 005-94437
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 07 Feb 2024 07 Feb 2024 001-41362
20-F Open Document | Data Open Filing ANNUAL REPORT 31 Jan 2024 30 Sep 2023 001-41362
D Open Document Open Filing 26 Jan 2024 021-503643
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 26 Jan 2024 26 Jan 2024 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 24 Jan 2024 24 Jan 2024 001-41362
144 Open Document Open Filing 20 Nov 2023 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 04 Oct 2023 04 Oct 2023 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 28 Sep 2023 28 Sep 2023 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 30 Aug 2023 30 Aug 2023 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 15 Aug 2023 15 Aug 2023 001-41362
6-K Open Document | Data Open Filing REPORT OF FOREIGN PRIVATE ISSUER 03 Aug 2023 31 Mar 2023 001-41362
20-F Open Document | Data Open Filing ANNUAL REPORT 16 Feb 2023 30 Sep 2022 001-41362
NT 20-F Open Document Open Filing NOTIFICATION OF LATE FILING 31 Jan 2023 30 Sep 2022 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 19 Aug 2022 19 Aug 2022 001-41362
6-K Open Document Open Filing 26 Jul 2022 26 Jul 2022 001-41362
6-K Open Document Open Filing REPORT OF FOREIGN PRIVATE ISSUER 05 May 2022 05 May 2022 001-41362
424B4 Open Document Open Filing PROSPECTUS 29 Apr 2022 333-253959
EFFECT Open Document Open Filing 26 Apr 2022 333-253959
CERT Open Document Open Filing 8A CERT 26 Apr 2022 001-41362
8-A12B Open Document Open Filing FOR REGISTRATION OF CERTAIN CLASSES 26 Apr 2022 001-41362
CORRESP Open Document Open Filing 22 Apr 2022
CORRESP Open Document Open Filing 22 Apr 2022
F-1/A Open Document Open Filing AMENDMENT NO. 11 TO FORM F-1 30 Mar 2022 333-253959
CORRESP Open Document Open Filing 29 Mar 2022
UPLOAD Open Document Open Filing 16 Mar 2022
CORRESP Open Document Open Filing 23 Feb 2022
F-1/A Open Document Open Filing AMENDMENT NO. 10 TO FORM F-1 23 Feb 2022 333-253959
UPLOAD Open Document Open Filing 14 Feb 2022
F-1/A Open Document Open Filing AMENDMENT NO. 9 TO FORM F-1 31 Jan 2022 333-253959
CORRESP Open Document Open Filing 28 Jan 2022
UPLOAD Open Document Open Filing 04 Jan 2022
F-1/A Open Document Open Filing AMENDMENT NO. 8 TO FORM F-1 21 Dec 2021 333-253959
CORRESP Open Document Open Filing 20 Dec 2021
UPLOAD Open Document Open Filing 17 Dec 2021
F-1/A Open Document Open Filing AMENDMENT NO. 7 TO FORM F-1 06 Dec 2021 333-253959
CORRESP Open Document Open Filing 06 Dec 2021
UPLOAD Open Document Open Filing 01 Dec 2021
F-1/A Open Document Open Filing AMENDMENT NO. 6 TO FORM F-1 04 Nov 2021 333-253959
CORRESP Open Document Open Filing 03 Nov 2021
UPLOAD Open Document Open Filing 28 Oct 2021
CORRESP Open Document Open Filing 12 Oct 2021
F-1/A Open Document Open Filing AMENDMENT NO. 5 TO FORM F-1 12 Oct 2021 333-253959
UPLOAD Open Document Open Filing 08 Oct 2021
F-1/A Open Document Open Filing AMENDMENT NO. 4 TO FORM F-1 21 Sep 2021 333-253959
CORRESP Open Document Open Filing 20 Sep 2021
UPLOAD Open Document Open Filing 16 Sep 2021
F-1/A Open Document Open Filing AMENDMENT NO. 3 TO FORM F-1 30 Aug 2021 333-253959
CORRESP Open Document Open Filing 30 Aug 2021
UPLOAD Open Document Open Filing 20 Aug 2021
CORRESP Open Document Open Filing 20 Jul 2021
F-1/A Open Document Open Filing AMENDMENT NO. 2 TO FORM F-1 20 Jul 2021 333-253959
UPLOAD Open Document Open Filing 25 Jun 2021
F-1/A Open Document Open Filing AMENDMENT NO. 1 TO FORM F-1 23 Jun 2021 333-253959
CORRESP Open Document Open Filing 22 Jun 2021
UPLOAD Open Document Open Filing 30 Mar 2021
CORRESP Open Document Open Filing 05 Mar 2021
F-1 Open Document Open Filing REGISTRATION STATEMENT 05 Mar 2021 333-253959
UPLOAD Open Document Open Filing 23 Oct 2020
DRS Open Document Open Filing 28 Sep 2020 377-03602