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 |
|---|---|---|---|
| 8-K |
Current report
Officer or director change
|
Oct 16, 2026 | Oct 12, 2026 |
| 8-K |
Current report
Material agreement
|
Oct 9, 2026 | Oct 9, 2026 |
| 424B5 | Prospectus supplement | Oct 9, 2026 | — |
| 8-K/A | Amended current report | Sep 25, 2026 | Jul 15, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 25, 2026 | Sep 25, 2026 |
| 10-Q | Quarterly report | Aug 14, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 24, 2026 | Jul 24, 2026 |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure, Other events
|
Jul 16, 2026 | Jul 15, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 7, 2026 | Jul 1, 2026 |
| 8-K |
Current report
Material agreement, Other events
|
Jul 1, 2026 | Jun 26, 2026 |
| 8-K |
Current report
Auditor change
|
Jun 26, 2026 | Jun 22, 2026 |
| EFFECT | Filing | Jun 15, 2026 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jun 15, 2026 | Jun 11, 2026 |
| UPLOAD | Letter from the SEC | Jun 12, 2026 | — |
| CORRESP | Letter to the SEC | Jun 12, 2026 | — |
| 8-K |
Current report
Agreement ended
|
Jun 5, 2026 | Jun 2, 2026 |
| S-3 | Shelf registration | Jun 4, 2026 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jun 3, 2026 | Jun 1, 2026 |
| DEF 14A | Proxy statement | Jun 1, 2026 | Jun 29, 2026 |
| ARS | Annual report to shareholders | Jun 1, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Other events
|
May 28, 2026 | May 28, 2026 |
| 8-K |
Current report
Other events
|
May 26, 2026 | May 26, 2026 |
| PRE 14A | Preliminary proxy statement | May 22, 2026 | Jun 29, 2026 |
| 8-K |
Current report
Material agreement, Officer or director change
|
May 18, 2026 | May 12, 2026 |
| 10-Q | Quarterly report | May 15, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Material agreement, Officer or director change
|
May 8, 2026 | May 4, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change in control, Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
Apr 28, 2026 | Apr 22, 2026 |
| 8-K |
Current report
Material agreement, Other events
|
Apr 15, 2026 | Apr 9, 2026 |
| 10-K | Annual report | Mar 31, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Mar 25, 2026 | Apr 22, 2026 |
| 8-K |
Current report
Listing notice
|
Mar 25, 2026 | Mar 20, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 17, 2026 | Mar 17, 2026 |
| PRE 14A | Preliminary proxy statement | Mar 12, 2026 | Mar 12, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Mar 11, 2026 | Mar 11, 2026 |
| S-8 | Employee stock plan registration | Feb 19, 2026 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights, Officer or director change, Other events
|
Feb 17, 2026 | Feb 13, 2026 |
| 8-K |
Current report
Other events
|
Feb 10, 2026 | Dec 29, 2025 |
| EFFECT | Filing | Dec 29, 2025 | — |
| 424B5 | Prospectus supplement | Dec 29, 2025 | — |
| 424B5 | Prospectus supplement | Dec 29, 2025 | — |
| CORRESP | Letter to the SEC | Dec 22, 2025 | — |
| F-3 | Shelf registration (foreign issuer) | Dec 5, 2025 | — |
| 424B5 | Prospectus supplement | Nov 26, 2025 | — |
| 6-K | Current report (foreign issuer) | Nov 26, 2025 | Nov 26, 2025 |
| 6-K | Current report (foreign issuer) | Oct 3, 2025 | Oct 3, 2025 |
| 424B5 | Prospectus supplement | Oct 3, 2025 | — |
| 424B3 | Prospectus | Oct 3, 2025 | — |
| 6-K | Current report (foreign issuer) | Sep 26, 2025 | Jun 30, 2025 |
| 6-K | Current report (foreign issuer) | Aug 5, 2025 | Aug 5, 2025 |
| 424B3 | Prospectus | Aug 5, 2025 | — |
| EFFECT | Filing | Aug 4, 2025 | — |
| CORRESP | Letter to the SEC | Jul 31, 2025 | — |
| CORRESP | Letter to the SEC | Jul 31, 2025 | — |
| F-1 | Registration statement (foreign issuer) | Jul 30, 2025 | — |
| UPLOAD | Letter from the SEC | Jul 18, 2025 | — |
| DRS | Filing | Jul 15, 2025 | — |
| 6-K | Current report (foreign issuer) | Jun 5, 2025 | Jun 5, 2025 |
| 424B3 | Prospectus | May 21, 2025 | — |
| 6-K | Current report (foreign issuer) | May 21, 2025 | May 21, 2025 |
| EFFECT | Filing | May 16, 2025 | — |
| F-1/A | Amendment no. 1 to form f-1 | May 14, 2025 | — |
| CORRESP | Letter to the SEC | May 14, 2025 | — |
| CORRESP | Letter to the SEC | May 14, 2025 | — |
| F-1 | Registration statement (foreign issuer) | May 14, 2025 | — |
| 6-K | Current report (foreign issuer) | May 2, 2025 | May 2, 2025 |
| UPLOAD | Letter from the SEC | Apr 14, 2025 | — |
| DRS | Filing | Apr 9, 2025 | — |
| 6-K | Current report (foreign issuer) | Apr 1, 2025 | Apr 1, 2025 |
| 20-F | Annual report (foreign issuer) | Mar 31, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 13, 2025 | Mar 13, 2025 |
| 6-K | Current report (foreign issuer) | Jan 27, 2025 | Jan 27, 2025 |
| 6-K | Current report (foreign issuer) | Jan 14, 2025 | Jan 14, 2025 |
| 6-K | Current report (foreign issuer) | Dec 16, 2024 | Dec 16, 2024 |
| 424B3 | Prospectus | Dec 16, 2024 | — |
| 6-K | Current report (foreign issuer) | Dec 13, 2024 | Dec 13, 2024 |
| EFFECT | Filing | Dec 12, 2024 | — |
| CORRESP | Letter to the SEC | Dec 11, 2024 | — |
| CORRESP | Letter to the SEC | Dec 11, 2024 | — |
| F-1/A | Amendment no. 3 to form f-1 | Dec 11, 2024 | — |
| F-1/A | Amendment no. 2 to form f-1 | Dec 9, 2024 | — |
| F-1/A | Amendment no. 1 to form f-1 | Dec 9, 2024 | — |
| 6-K | Current report (foreign issuer) | Nov 29, 2024 | Nov 29, 2024 |
| 6-K | Current report (foreign issuer) | Nov 15, 2024 | Nov 15, 2024 |
| 6-K | Current report (foreign issuer) | Nov 12, 2024 | Nov 12, 2024 |
| UPLOAD | Letter from the SEC | Nov 8, 2024 | — |
| F-1 | Registration statement (foreign issuer) | Nov 5, 2024 | — |
| 6-K | Current report (foreign issuer) | Oct 21, 2024 | Oct 21, 2024 |
| 6-K | Current report (foreign issuer) | Oct 18, 2024 | Jun 30, 2024 |
| 6-K | Current report (foreign issuer) | Oct 9, 2024 | Oct 9, 2024 |
| 6-K | Current report (foreign issuer) | Oct 3, 2024 | Oct 3, 2024 |
| 6-K | Current report (foreign issuer) | May 31, 2024 | May 31, 2024 |
| D/A | Filing | May 10, 2024 | — |
| 6-K | Current report (foreign issuer) | Apr 24, 2024 | Apr 24, 2024 |
| 6-K | Current report (foreign issuer) | Apr 19, 2024 | Apr 18, 2024 |
| 20-F | Annual report (foreign issuer) | Apr 9, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Feb 23, 2024 | Feb 23, 2024 |
| 6-K | Current report (foreign issuer) | Nov 16, 2023 | Sep 30, 2023 |
| 6-K | Current report (foreign issuer) | Nov 15, 2023 | Nov 15, 2023 |
| 424B5 | Prospectus supplement | Nov 14, 2023 | — |
| 6-K | Current report (foreign issuer) | Nov 13, 2023 | Nov 13, 2023 |
| 424B5 | Prospectus supplement | Sep 26, 2023 | — |
| 6-K | Current report (foreign issuer) | Sep 13, 2023 | Sep 13, 2023 |
| 6-K | Current report (foreign issuer) | Aug 15, 2023 | Jun 30, 2023 |
| S-8 | Employee stock plan registration | Jul 11, 2023 | — |
| D | Filing | Jul 11, 2023 | — |
| 6-K | Current report (foreign issuer) | Jun 28, 2023 | Jun 28, 2023 |
| 424B5 | Prospectus supplement | Jun 28, 2023 | — |
| 6-K | Current report (foreign issuer) | May 19, 2023 | May 19, 2023 |
| 6-K | Current report (foreign issuer) | May 16, 2023 | Mar 31, 2023 |
| 20-F | Annual report (foreign issuer) | Apr 7, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Feb 21, 2023 | Feb 21, 2023 |
| 6-K | Current report (foreign issuer) | Jan 20, 2023 | Jan 20, 2023 |
| 424B3 | Prospectus | Jan 10, 2023 | — |
| EFFECT | Filing | Jan 6, 2023 | — |
| CORRESP | Letter to the SEC | Jan 5, 2023 | — |
| UPLOAD | Letter from the SEC | Jan 4, 2023 | — |
| F-3 | Shelf registration (foreign issuer) | Dec 30, 2022 | — |
| 6-K | Current report (foreign issuer) | Dec 20, 2022 | Dec 20, 2022 |
| 6-K | Current report (foreign issuer) | Nov 4, 2022 | Nov 4, 2022 |
| 6-K | Current report (foreign issuer) | Sep 28, 2022 | Sep 28, 2022 |
| 6-K | Current report (foreign issuer) | Sep 7, 2022 | Jun 30, 2022 |
| 6-K | Current report (foreign issuer) | Jul 1, 2022 | Jul 1, 2022 |
| 6-K | Current report (foreign issuer) | Jun 3, 2022 | Jun 3, 2022 |
| 20-F | Annual report (foreign issuer) | May 3, 2022 | Dec 31, 2021 |
| NT 20-F | Notification of late filing | May 2, 2022 | Dec 31, 2021 |
| 424B3 | Prospectus | Jan 28, 2022 | — |
| 6-K | Current report (foreign issuer) | Jan 28, 2022 | Jan 28, 2022 |
| EFFECT | Filing | Jan 25, 2022 | — |
| CORRESP | Letter to the SEC | Jan 24, 2022 | — |
| CORRESP | Letter to the SEC | Jan 24, 2022 | — |
| F-1 | Registration statement (foreign issuer) | Jan 21, 2022 | — |
| UPLOAD | Letter from the SEC | Jan 20, 2022 | — |
| DRS | Filing | Jan 14, 2022 | — |
| 6-K | Current report (foreign issuer) | Jan 6, 2022 | Jan 6, 2022 |
| 6-K | Current report (foreign issuer) | Nov 12, 2021 | Nov 12, 2021 |
| 424B3 | Prospectus | Nov 12, 2021 | — |
| 424B3 | Prospectus | Nov 12, 2021 | — |
| EFFECT | Filing | Nov 4, 2021 | — |
| CERT | Filing | Nov 3, 2021 | — |
| 8-A12B | For registration of certain classes | Nov 3, 2021 | — |
| CORRESP | Letter to the SEC | Nov 2, 2021 | — |
| CORRESP | Letter to the SEC | Nov 2, 2021 | — |
| F-1/A | Amendment no. 2 to form f-1 | Nov 2, 2021 | — |
| FWP | Free writing prospectus | Oct 26, 2021 | — |
| F-1/A | Registration statement | Oct 26, 2021 | — |
| UPLOAD | Letter from the SEC | Oct 21, 2021 | — |
| F-1 | Registration statement (foreign issuer) | Oct 12, 2021 | — |
| CORRESP | Letter to the SEC | Oct 8, 2021 | — |
| D | Filing | Sep 8, 2021 | — |
| DRSLTR | Filing | Sep 3, 2021 | — |
| DRS/A | Filing | Sep 3, 2021 | — |
| UPLOAD | Letter from the SEC | Aug 25, 2021 | — |
| DRS | Filing | Aug 3, 2021 | — |
Showing 153 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.