PMA Graphene Technology Group Inc. SEC filings PMA
PMA Graphene Technology Group Inc. has 132 filings in SEC EDGAR's recent list, going back to Dec 23, 2022. Its latest annual report, Form 20-F, was filed on Aug 17, 2026 for the period ended Mar 31, 2026. The most recent current report (Form 6-K) was filed on Sep 16, 2026. The company's fiscal year ends on March 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Sep 25, 2026 | Sep 24, 2026 |
| 4 | Insider transaction | Sep 23, 2026 | Sep 22, 2026 |
| 6-K | Current report (foreign issuer) | Sep 16, 2026 | Sep 16, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 11, 2026 | Sep 9, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 11, 2026 | — |
| 4/A | Primary document | Sep 11, 2026 | Aug 13, 2026 |
| 6-K | Current report (foreign issuer) | Sep 9, 2026 | Sep 9, 2026 |
| 6-K | Current report (foreign issuer) | Sep 3, 2026 | Sep 2, 2026 |
| 6-K | Current report (foreign issuer) | Aug 26, 2026 | Aug 26, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 13, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 25, 2026 | — |
| 6-K/A | Filing | Aug 24, 2026 | Aug 24, 2026 |
| 6-K | Current report (foreign issuer) | Aug 18, 2026 | Aug 18, 2026 |
| 20-F | Annual report (foreign issuer) | Aug 17, 2026 | Mar 31, 2026 |
| 6-K | Current report (foreign issuer) | Aug 12, 2026 | Aug 12, 2026 |
| NT 20-F | Filing | Jul 31, 2026 | Mar 31, 2026 |
| 6-K | Current report (foreign issuer) | Jul 30, 2026 | Jul 30, 2026 |
| 6-K | Current report (foreign issuer) | Jul 22, 2026 | Jul 22, 2026 |
| 4 | Insider transaction | Jul 17, 2026 | Jun 16, 2026 |
| 144 | Notice of proposed sale | Jul 17, 2026 | — |
| 6-K | Current report (foreign issuer) | Jul 2, 2026 | Jul 2, 2026 |
| 6-K | Current report (foreign issuer) | Jul 2, 2026 | Jul 2, 2026 |
| 6-K | Current report (foreign issuer) | Jun 24, 2026 | Jun 24, 2026 |
| 6-K | Current report (foreign issuer) | Jun 9, 2026 | Jun 9, 2026 |
| 6-K | Current report (foreign issuer) | Jun 4, 2026 | Jun 4, 2026 |
| 6-K | Current report (foreign issuer) | May 27, 2026 | May 27, 2026 |
| 6-K | Current report (foreign issuer) | May 26, 2026 | May 26, 2026 |
| 6-K | Current report (foreign issuer) | May 11, 2026 | May 11, 2026 |
| 3 | Initial insider ownership | Mar 20, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 20, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 20, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 20, 2026 | Mar 18, 2026 |
| 6-K | Current report (foreign issuer) | Mar 20, 2026 | Mar 20, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 17, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 12, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 6, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 3, 2026 | — |
| 6-K | Current report (foreign issuer) | Mar 2, 2026 | Mar 2, 2026 |
| 6-K | Current report (foreign issuer) | Feb 26, 2026 | Feb 26, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 18, 2026 | — |
| 6-K | Current report (foreign issuer) | Feb 9, 2026 | Feb 9, 2026 |
| 144 | Notice of proposed sale | Jan 22, 2026 | — |
| 6-K | Current report (foreign issuer) | Jan 14, 2026 | Jan 14, 2026 |
| 6-K | Current report (foreign issuer) | Jan 5, 2026 | Jan 5, 2026 |
| 6-K | Current report (foreign issuer) | Dec 3, 2025 | Dec 3, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 2, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 2, 2025 | — |
| 6-K | Current report (foreign issuer) | Nov 6, 2025 | Nov 6, 2025 |
| 6-K | Current report (foreign issuer) | Oct 31, 2025 | Oct 31, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 17, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 2, 2025 | — |
| 6-K | Current report (foreign issuer) | Sep 24, 2025 | Sep 24, 2025 |
| 6-K | Current report (foreign issuer) | Sep 8, 2025 | Sep 8, 2025 |
| 144 | Notice of proposed sale | Aug 21, 2025 | — |
| 6-K | Current report (foreign issuer) | Aug 20, 2025 | Aug 20, 2025 |
| 20-F | Annual report (foreign issuer) | Aug 15, 2025 | Mar 31, 2025 |
| 6-K/A | Filing | Aug 6, 2025 | Aug 6, 2025 |
| NT 20-F | Filing | Jul 31, 2025 | Mar 31, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jul 25, 2025 | — |
| 6-K/A | Filing | Jul 25, 2025 | Apr 11, 2025 |
| 6-K | Current report (foreign issuer) | Jun 2, 2025 | Jun 2, 2025 |
| 6-K | Current report (foreign issuer) | May 23, 2025 | May 23, 2025 |
| 144 | Notice of proposed sale | May 22, 2025 | — |
| 6-K | Current report (foreign issuer) | Apr 11, 2025 | Apr 11, 2025 |
| 6-K | Current report (foreign issuer) | Mar 21, 2025 | Mar 21, 2025 |
| 6-K | Current report (foreign issuer) | Mar 11, 2025 | Mar 11, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 3, 2025 | — |
| 144 | Notice of proposed sale | Feb 3, 2025 | — |
| 6-K | Current report (foreign issuer) | Jan 13, 2025 | Jan 13, 2025 |
| 6-K | Current report (foreign issuer) | Dec 17, 2024 | Dec 17, 2024 |
| 6-K | Current report (foreign issuer) | Dec 9, 2024 | Dec 9, 2024 |
| 6-K | Current report (foreign issuer) | Nov 25, 2024 | Nov 25, 2024 |
| CERT | Filing | Nov 22, 2024 | — |
| 424B3 | Prospectus | Nov 22, 2024 | — |
| 424B4 | Prospectus | Nov 22, 2024 | — |
| 8-A12B | Filing | Nov 22, 2024 | — |
| EFFECT | Filing | Nov 21, 2024 | — |
| SC 13D | Ownership over 5% (active) | Nov 21, 2024 | — |
| UPLOAD | Letter from the SEC | Nov 21, 2024 | — |
| F-1/A | Filing | Nov 21, 2024 | — |
| CORRESP | Letter to the SEC | Nov 21, 2024 | — |
| UPLOAD | Letter from the SEC | Nov 20, 2024 | — |
| CORRESP | Letter to the SEC | Nov 19, 2024 | — |
| CORRESP | Letter to the SEC | Nov 19, 2024 | — |
| F-1/A | Filing | Oct 18, 2024 | — |
| FWP | Free writing prospectus | Oct 17, 2024 | — |
| F-1/A | Filing | Oct 3, 2024 | — |
| CORRESP | Letter to the SEC | Sep 27, 2024 | — |
| F-1/A | Filing | Sep 27, 2024 | — |
| UPLOAD | Letter from the SEC | Sep 19, 2024 | — |
| F-1 | Registration statement (foreign issuer) | Aug 28, 2024 | — |
| RW | Filing | Aug 27, 2024 | — |
| 20-F | Annual report (foreign issuer) | Aug 26, 2024 | Mar 31, 2024 |
| NT 20-F | Filing | Jul 29, 2024 | Mar 31, 2024 |
| SC 13D | Ownership over 5% (active) | Jul 8, 2024 | — |
| EFFECT | Filing | Jun 27, 2024 | — |
| CORRESP | Letter to the SEC | Jun 25, 2024 | — |
| CORRESP | Letter to the SEC | Jun 25, 2024 | — |
| F-1/A | Filing | Jun 24, 2024 | — |
| F-1/A | Filing | Jun 7, 2024 | — |
| FWP | Free writing prospectus | Jun 4, 2024 | — |
| F-1/A | Filing | May 29, 2024 | — |
| F-1/A | Filing | May 10, 2024 | — |
| CORRESP | Letter to the SEC | May 9, 2024 | — |
| UPLOAD | Letter from the SEC | May 7, 2024 | — |
| CORRESP | Letter to the SEC | Apr 29, 2024 | — |
| F-1/A | Filing | Apr 29, 2024 | — |
| UPLOAD | Letter from the SEC | Apr 23, 2024 | — |
| F-1/A | Filing | Mar 28, 2024 | — |
| CORRESP | Letter to the SEC | Oct 17, 2023 | — |
| F-1/A | Filing | Oct 17, 2023 | — |
| UPLOAD | Letter from the SEC | Oct 6, 2023 | — |
| CORRESP | Letter to the SEC | Sep 22, 2023 | — |
| F-1/A | Filing | Sep 22, 2023 | — |
| UPLOAD | Letter from the SEC | Jul 6, 2023 | — |
| F-1 | Registration statement (foreign issuer) | Jun 23, 2023 | — |
| DRSLTR | Filing | May 9, 2023 | — |
| DRS/A | Filing | May 9, 2023 | — |
| UPLOAD | Letter from the SEC | May 2, 2023 | — |
| DRSLTR | Filing | Apr 18, 2023 | — |
| DRS/A | Filing | Apr 18, 2023 | — |
| UPLOAD | Letter from the SEC | Apr 5, 2023 | — |
| DRS/A | Filing | Mar 20, 2023 | — |
| DRSLTR | Filing | Mar 17, 2023 | — |
| UPLOAD | Letter from the SEC | Feb 17, 2023 | — |
| DRS/A | Filing | Jan 20, 2023 | — |
| DRS | Filing | Dec 23, 2022 | — |
Showing 132 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
- Construction - Special Trade Contractors (SIC 1700)
- Listed as
- PMA (Nasdaq)
- Fiscal year ends
- March 31
- Incorporated in
- Cayman Islands
- Headquarters
- Kowloon
- SEC filer status
- Non-accelerated filer, Emerging growth company
- SEC CIK
- 1956166
- Former names
- Ming Shing Group Holdings Ltd (until Sep 3, 2026)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.