Filer Snapshot

Ostin Technology Group Co., Ltd. SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001803407.

Entity Type

Company

Total Filings

133

Latest Filing

02 Apr 2026

Industry

Electronic Components, Nec

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Source: SEC Forms 3/4/5

3 filed on 02 Apr 2026 for CIK 0001803407.

View Source Filing
Symbol
OST on Nasdaq
Industry
Electronic Components, Nec (Office Of Manufacturing)
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.

Source Evidence

Source: SEC Forms 3/4/5

3 filed on 02 Apr 2026 for CIK 0001803407.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 3 can change the filing history, ownership context, or next research path for Ostin Technology Group Co., Ltd..

Latest source-backed update
3 filed 02 Apr 2026
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 3 filed 02 Apr 2026.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for Ostin Technology Group Co., Ltd.

New fact period available

Latest financial period: Q3 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

26 Jan 2026

Page type

Company facts

Latest period

Q3 2025

SEC-backed company facts were refreshed from filings filed on 26 Jan 2026.

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Benchmark Context

Benchmark context for this company

Ostin Technology Group Co., Ltd. has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

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Why this is notable

Latest financial period: Q3 2025. That gives you a fresh baseline before you compare this company with peers.

  • Latest company facts filing date: 26 Jan 2026.
  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
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Company intelligence

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Active modules

3/5

Available company intelligence paths on this page.

Filings

133

SEC submissions provide the evidence trail.

Ownership context

1/3

Insider, large-stake, and institutional ownership lanes.

Return loop

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SEC filings

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Company facts

Available

Financial context

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Forms 3/4/5

Available

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Schedule 13D/G

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Watchlist return triggers

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new company filing insider Form 4 13D/G holder change 13F holder update

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.

Electronic Components, Nec Insider transactions Latest 13F filings

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.
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