Quantum Cyber NV (QUCY)

Mainz Biomed NV experienced recent insider activity involving proposed sales by officer Guido Baechler on May 15 and May 22, 2026. These filings follow a significant purchase by Kevin Michael Donahue recorded in October 2025. No further transactions occurred within the last three months, reflecting a period of limited recent market participation by company leadership.

No insider activity signal

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No insider activity signal

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Ticker: QUCY Exchange: NAS

• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings

Insider activity signals

0 activity signals detected for Quantum Cyber NV

No insider activity signals detected

Insider trades have not triggered unusual activity signals for this company.

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Company data & Insiders

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Trades

BAECHLER GUIDO Officer Officer

Transaction date 22 May 2026

Proposed sale

Price

88.46

Quantity 25,408

Value US$2,428,779

BAECHLER GUIDO Policy-Making Officer Officer

Transaction date 15 May 2026

Proposed sale

Price

214.05

Quantity 16,388

Value US$3,923,324

Donahue Kevin Michael Large shareholder

Transaction date 17 Oct 2025

Purchase

Price

60.62

Quantity 92,634 -27.8%

Value US$799,140

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2026-05-22	2026-05-22	PrS Proposed sale	BAECHLER GUIDO Officer Officer	25,408 88.46 US$2,428,779	25,408	88.46	US$2,428,779
2026-05-18	2026-05-15	PrS Proposed sale	BAECHLER GUIDO Policy-Making Officer Officer	16,388 214.05 US$3,923,324	16,388	214.05	US$3,923,324
2026-01-16	2025-10-17	B Purchase	Donahue Kevin Michael Large shareholder	92,634 -27.8% 60.62 US$799,140	92,634 -27.8%	60.62	US$799,140