J-Star Holding Co., Ltd. SEC filings YMAT
J-Star Holding Co., Ltd. has 127 filings in SEC EDGAR's recent list, going back to Sep 30, 2021. Its latest annual report, Form 20-F, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 30, 2026.
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Oct 30, 2026 | Oct 30, 2026 |
| 6-K | Current report (foreign issuer) | Oct 27, 2026 | Oct 27, 2026 |
| 6-K | Current report (foreign issuer) | Oct 23, 2026 | Jun 30, 2026 |
| 6-K | Current report (foreign issuer) | Oct 9, 2026 | Oct 9, 2026 |
| 6-K | Current report (foreign issuer) | Sep 29, 2026 | Sep 29, 2026 |
| 6-K | Current report (foreign issuer) | Sep 28, 2026 | Sep 28, 2026 |
| EFFECT | Filing | Sep 23, 2026 | — |
| F-3/A | Filing | Sep 14, 2026 | — |
| F-3 | Shelf registration (foreign issuer) | Sep 4, 2026 | — |
| 6-K | Current report (foreign issuer) | Aug 3, 2026 | Aug 3, 2026 |
| 6-K | Current report (foreign issuer) | Jul 8, 2026 | Jul 8, 2026 |
| 6-K | Current report (foreign issuer) | Jun 17, 2026 | Jun 17, 2026 |
| 6-K | Current report (foreign issuer) | Jun 8, 2026 | Jun 8, 2026 |
| 6-K | Current report (foreign issuer) | May 26, 2026 | May 26, 2026 |
| 6-K | Current report (foreign issuer) | May 18, 2026 | May 18, 2026 |
| 6-K | Current report (foreign issuer) | May 8, 2026 | May 8, 2026 |
| 6-K | Current report (foreign issuer) | May 8, 2026 | May 8, 2026 |
| 6-K | Current report (foreign issuer) | May 1, 2026 | May 1, 2026 |
| 20-F | Annual report (foreign issuer) | Apr 30, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Apr 10, 2026 | Apr 10, 2026 |
| 6-K | Current report (foreign issuer) | Feb 23, 2026 | Feb 23, 2026 |
| 6-K | Current report (foreign issuer) | Jan 22, 2026 | Jan 22, 2026 |
| 6-K | Current report (foreign issuer) | Jan 14, 2026 | Jan 14, 2026 |
| S-8 | Employee stock plan registration | Jan 8, 2026 | — |
| 8-A12B/A | Filing | Jan 7, 2026 | — |
| 6-K | Current report (foreign issuer) | Jan 6, 2026 | Jan 6, 2026 |
| 6-K | Current report (foreign issuer) | Dec 23, 2025 | Dec 23, 2025 |
| 6-K | Current report (foreign issuer) | Dec 22, 2025 | Dec 22, 2025 |
| 6-K | Current report (foreign issuer) | Dec 18, 2025 | Dec 18, 2025 |
| 6-K | Current report (foreign issuer) | Dec 16, 2025 | Dec 16, 2025 |
| 6-K | Current report (foreign issuer) | Dec 11, 2025 | Dec 10, 2025 |
| 6-K | Current report (foreign issuer) | Nov 12, 2025 | Nov 12, 2025 |
| 6-K | Current report (foreign issuer) | Sep 22, 2025 | Sep 22, 2025 |
| 6-K | Current report (foreign issuer) | Aug 7, 2025 | Aug 7, 2025 |
| 6-K | Current report (foreign issuer) | Aug 1, 2025 | Jul 31, 2025 |
| 424B4 | Prospectus | Jul 31, 2025 | — |
| EFFECT | Filing | Jul 29, 2025 | — |
| CERT | Filing | Jul 29, 2025 | — |
| 8-A12B | Filing | Jul 29, 2025 | — |
| CORRESP | Letter to the SEC | Jul 25, 2025 | — |
| CORRESP | Letter to the SEC | Jul 25, 2025 | — |
| F-1/A | Filing | Jul 25, 2025 | — |
| FWP | Free writing prospectus | Jun 3, 2025 | — |
| CORRESP | Letter to the SEC | May 16, 2025 | — |
| F-1/A | Filing | May 16, 2025 | — |
| UPLOAD | Letter from the SEC | May 13, 2025 | — |
| F-1 | Registration statement (foreign issuer) | Apr 29, 2025 | — |
| RW | Filing | Apr 29, 2025 | — |
| EFFECT | Filing | Mar 28, 2025 | — |
| CORRESP | Letter to the SEC | Mar 26, 2025 | — |
| CORRESP | Letter to the SEC | Mar 26, 2025 | — |
| F-1/A | Filing | Mar 12, 2025 | — |
| F-1/A | Filing | Nov 14, 2024 | — |
| FWP | Free writing prospectus | Sep 5, 2024 | — |
| CORRESP | Letter to the SEC | Aug 27, 2024 | — |
| F-1/A | Filing | Aug 27, 2024 | — |
| CORRESP | Letter to the SEC | Aug 19, 2024 | — |
| F-1/A | Filing | Aug 19, 2024 | — |
| UPLOAD | Letter from the SEC | Aug 14, 2024 | — |
| CORRESP | Letter to the SEC | Aug 2, 2024 | — |
| F-1/A | Filing | Aug 2, 2024 | — |
| UPLOAD | Letter from the SEC | Jul 9, 2024 | — |
| CORRESP | Letter to the SEC | Jun 13, 2024 | — |
| F-1/A | Filing | Jun 13, 2024 | — |
| UPLOAD | Letter from the SEC | Mar 12, 2024 | — |
| F-1/A | Filing | Mar 4, 2024 | — |
| FWP | Free writing prospectus | Jan 9, 2024 | — |
| CORRESP | Letter to the SEC | Jan 9, 2024 | — |
| F-1/A | Filing | Jan 9, 2024 | — |
| UPLOAD | Letter from the SEC | Jan 4, 2024 | — |
| F-1/A | Filing | Dec 19, 2023 | — |
| CORRESP | Letter to the SEC | Sep 26, 2023 | — |
| F-1/A | Filing | Sep 26, 2023 | — |
| UPLOAD | Letter from the SEC | Sep 25, 2023 | — |
| UPLOAD | Letter from the SEC | Sep 25, 2023 | — |
| FWP | Free writing prospectus | Sep 21, 2023 | — |
| F-1/A | Filing | Sep 19, 2023 | — |
| F-1/A | Filing | Sep 11, 2023 | — |
| FWP | Free writing prospectus | Sep 11, 2023 | — |
| FWP | Free writing prospectus | Sep 8, 2023 | — |
| FWP | Free writing prospectus | Sep 1, 2023 | — |
| FWP | Free writing prospectus | Jul 31, 2023 | — |
| CORRESP | Letter to the SEC | Jul 7, 2023 | — |
| F-1/A | Filing | Jul 7, 2023 | — |
| CORRESP | Letter to the SEC | Jun 14, 2023 | — |
| F-1/A | Filing | Jun 14, 2023 | — |
| UPLOAD | Letter from the SEC | Jun 12, 2023 | — |
| F-1/A | Filing | May 24, 2023 | — |
| CORRESP | Letter to the SEC | May 23, 2023 | — |
| UPLOAD | Letter from the SEC | May 17, 2023 | — |
| F-1/A | Filing | May 4, 2023 | — |
| F-1/A | Filing | Mar 16, 2023 | — |
| F-1/A | Filing | Feb 8, 2023 | — |
| F-1/A | Filing | Sep 2, 2022 | — |
| F-1/A | Filing | Aug 31, 2022 | — |
| F-1/A | Filing | Aug 19, 2022 | — |
| CORRESP | Letter to the SEC | Jul 13, 2022 | — |
| F-1/A | Filing | Jul 13, 2022 | — |
| UPLOAD | Letter from the SEC | Jun 29, 2022 | — |
| CORRESP | Letter to the SEC | Jun 14, 2022 | — |
| F-1/A | Filing | Jun 14, 2022 | — |
| UPLOAD | Letter from the SEC | Jun 9, 2022 | — |
| CORRESP | Letter to the SEC | May 26, 2022 | — |
| F-1/A | Filing | May 26, 2022 | — |
| UPLOAD | Letter from the SEC | Apr 12, 2022 | — |
| F-1 | Registration statement (foreign issuer) | Mar 21, 2022 | — |
| CORRESP | Letter to the SEC | Mar 21, 2022 | — |
| CORRESP | Letter to the SEC | Mar 18, 2022 | — |
| UPLOAD | Letter from the SEC | Mar 3, 2022 | — |
| DRSLTR | Filing | Feb 17, 2022 | — |
| DRSLTR | Filing | Feb 16, 2022 | — |
| DRS/A | Filing | Feb 16, 2022 | — |
| UPLOAD | Letter from the SEC | Feb 3, 2022 | — |
| DRS/A | Filing | Jan 18, 2022 | — |
| DRSLTR | Filing | Jan 14, 2022 | — |
| UPLOAD | Letter from the SEC | Jan 3, 2022 | — |
| DRSLTR | Filing | Dec 10, 2021 | — |
| DRS/A | Filing | Dec 10, 2021 | — |
| UPLOAD | Letter from the SEC | Oct 27, 2021 | — |
| DRS | Filing | Sep 30, 2021 | — |
Showing 120 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
- Sporting & Athletic Goods, NEC (SIC 3949)
- Listed as
- YMAT (Nasdaq)
- Headquarters
- Taichung City 407, China
- SEC filer status
- Non-accelerated filer, Emerging growth company
- SEC CIK
- 1875016
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.