Netherlands Software & IT Services

Quantum Cyber NV (QUCY)

Quantum Cyber NV recorded insider activity involving proposed sales by officer Guido Baechler during May 2026. These filings represent the most recent transactions for the firm. Previously, Kevin Michael Donahue executed a purchase in October 2025. No further trading occurred within the last three months, predating the upcoming November 2026 results financiers.
Ticker: QUCY Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
No insider activity signals detected

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

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
BAECHLER GUIDO Officer Officer
Transaction date
Proposed sale
Price
88.46
Quantity 25,408
Value US$2,428,779
BAECHLER GUIDO Policy-Making Officer Officer
Transaction date
Proposed sale
Price
214.05
Quantity 16,388
Value US$3,923,324
Donahue Kevin Michael Large shareholder
Transaction date
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 Details
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
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