Quantum Cyber N.V. SEC filings QUCY
Quantum Cyber N.V. has 204 filings in SEC EDGAR's recent list, going back to Aug 3, 2021. Its latest annual report, Form ARS, was filed on Jun 1, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 16, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Aug 12, 2026 | Aug 11, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 10, 2026 | — |
| 4 | Insider transaction | Aug 7, 2026 | Aug 5, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 7, 2026 | — |
| 4/A | Filing | Aug 6, 2026 | Jul 22, 2026 |
| 4/A | Filing | Aug 6, 2026 | Jul 22, 2026 |
| 4/A | Filing | Aug 6, 2026 | Jul 22, 2026 |
| 4/A | Filing | Aug 6, 2026 | Jul 22, 2026 |
| 4/A | Filing | Aug 6, 2026 | Jul 22, 2026 |
| 4 | Insider transaction | Aug 5, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 3 | Initial insider ownership | Jul 9, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 8, 2026 |
| 144 | Notice of proposed sale | May 22, 2026 | — |
| 3 | Initial insider ownership | May 21, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 8, 2026 |
| 144 | Notice of proposed sale | May 18, 2026 | — |
| 3 | Initial insider ownership | Apr 28, 2026 | Apr 22, 2026 |
| 3 | Initial insider ownership | Apr 28, 2026 | Apr 22, 2026 |
| 4 | Insider transaction | Apr 28, 2026 | Apr 22, 2026 |
| SCHEDULE 13D | Ownership over 5% (active) | Apr 28, 2026 | — |
| 4 | Insider transaction | Mar 3, 2026 | Feb 13, 2026 |
| 3 | Initial insider ownership | Mar 3, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 13, 2026 |
| 3 | Initial insider ownership | Feb 19, 2026 | Jan 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 3 | Initial insider ownership | Jan 26, 2026 | Jan 1, 2026 |
| 3 | Initial insider ownership | Jan 26, 2026 | Jan 1, 2026 |
| 3 | Initial insider ownership | Jan 26, 2026 | Jan 1, 2026 |
| 3 | Initial insider ownership | Jan 26, 2026 | Jan 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 20, 2026 | — |
| 4/A | Primary document | Jan 20, 2026 | Oct 17, 2025 |
| 3/A | Primary document | Jan 20, 2026 | Oct 17, 2025 |
| 4 | Insider transaction | Jan 16, 2026 | Oct 17, 2025 |
| 3 | Initial insider ownership | Jan 16, 2026 | Oct 17, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 16, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 7, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Mar 1, 2023 | — |
| SC 13G | Ownership over 5% (passive) | May 16, 2022 | — |
| SC 13G | Ownership over 5% (passive) | May 16, 2022 | — |
Showing 51 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
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- QUCY (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Netherlands
- Headquarters
- Mainz
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1874252
- Former names
- MAINZ BIOMED N.V. (until Apr 15, 2026); Mainz Biomed B.V. (until Nov 12, 2021)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.