Quantum Cyber N.V.
QUCY- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001874252
No open-market purchases or sales by Quantum Cyber N.V. insiders were filed in the last 90 days; 18 institutions reported holding it in 13F filings for Q2 2026, worth $360.8K in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Quantum Cyber N.V. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Quantum Cyber N.V., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Caragol William J | Chief Financial Officer | 367,899 | Aug 12, 2026 | 3 |
| Lazar David E. | Chief Executive Officer | 55,057,500 | Aug 7, 2026 | 3 |
| O'Rourke Peter | Director | – | Aug 6, 2026 | 2 |
| Natan David | Director | 137,141 | Aug 6, 2026 | 2 |
| Buffalino Louis R. | Director | – | Aug 6, 2026 | 1 |
| Ben-Tzvi Avraham | Director | 252,000 | Aug 6, 2026 | 2 |
| Tibbitts Gregory J | Director | 55,875 | Feb 19, 2026 | 1 |
| Dreismann Heinrich | Director | 64,700 | Feb 19, 2026 | 1 |
| Baechler Guido | Chief Executive Officer | 605,058 | Feb 19, 2026 | 1 |
| Donahue Kevin Michael | 10% Owner | 685,000 | Jan 20, 2026 | 1 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jan 20, 2026 (view filing) | Oct 17, 2025 | 95 days | Donahue Kevin Michael10% Owner | PPurchase | +685.0K | $1.51 | +$1.03M | New position685.0K after | Amended |