SCHEDULE: Quantum Cyber N.V. Ownership Update

David E. Lazar reports increased beneficial ownership of Quantum Cyber N.V. through conversion of preferred shares, now holding 94.3% of the class.

Summary

• David E. Lazar, the reporting person, has amended their Schedule 13D filing for Quantum Cyber N.V.
• The amendment details the conversion of various series of preferred shares into ordinary shares.
• Specifically, 1,000,000 Series A, 1,000,000 Series B, 1,000,000 Series C, and 124,700 Series D Preferred Shares were converted.
• These conversions resulted in the issuance of 9,000,000 Ordinary Shares from each of Series A, B, and C, and 28,057,500 Ordinary Shares from Series D.
• The reporting person now beneficially owns 477,000,000 Ordinary Shares, representing 94.3% of the class.
• This percentage is calculated based on 84,068,192 Ordinary Shares outstanding as of August 7, 2026, plus the shares issuable from Series D and Series E Preferred Shares.
• The Issuer was formerly known as Mainz Biomed N.V. and changed its name to Quantum Cyber N.V. in April 2026.

Sentiment

Score: 7

Explanation: StockSavvy.ai views this as a moderately positive filing, indicating significant beneficial ownership and conversion of preferred shares into common stock, suggesting strong conviction from the reporting person.

Positives

• Significant increase in beneficial ownership by David E. Lazar, now holding 94.3% of Quantum Cyber N.V.'s ordinary shares.
• Conversion of preferred shares (Series A, B, C, D) into ordinary shares indicates strong conviction and potential for increased liquidity.
• The reporting person holds sole voting and dispositive power over 477,000,000 ordinary shares.

Negatives

• The high concentration of ownership (94.3%) by a single reporting person could limit free float and potentially impact stock liquidity for other shareholders.

Risks

• The filing does not explicitly mention new risks, but the high concentration of ownership could be a risk factor for minority shareholders regarding market liquidity and potential future strategic decisions by the controlling shareholder.

Future Outlook

The filing primarily reports on past events (share conversions) and current ownership status. It does not contain explicit forward-looking statements or guidance regarding future business operations or financial performance.

Management Comments

• The Issuer was formerly known as Mainz Biomed N.V. and changed its name to Quantum Cyber N.V. in April 2026.

Industry Context

StockSavvy.ai notes that significant shifts in beneficial ownership, especially through preferred share conversions, can signal a change in control or a strong belief in the company's future prospects by major investors. This is common in sectors undergoing consolidation or significant development phases.

Stakeholder Impact

• Shareholders: The significant increase in beneficial ownership by one party may impact the liquidity of shares available for trading by other shareholders and could influence future corporate decisions.
• Management: May face increased influence or direction from the majority shareholder.
• Creditors: No direct impact mentioned, but a change in control could indirectly affect financial stability perceptions.

Next Steps

• Monitor future filings by David E. Lazar for any further changes in beneficial ownership.
• Observe Quantum Cyber N.V.'s strategic direction and performance under the increased control of the reporting person.

Key Dates

Recommendation

The filing indicates a significant increase in beneficial ownership by David E. Lazar, consolidating control. While this shows strong conviction, it also raises questions about future liquidity and strategic direction for minority shareholders. A 'hold' recommendation is appropriate pending further clarity on the company's strategy under this new ownership structure.

Keywords

Quantum Cyber N.V., Schedule 13D, Beneficial Ownership, Ordinary Shares, Preferred Shares, Share Conversion, David E. Lazar, Corporate Control