X0609 4/A 2026-07-22 2026-08-05 0 0001874252 Quantum Cyber N.V. QUCY 0001944721 Ben-Tzvi Avraham false SUITE 400, 200 CONNECTICUT AVE NORWALK CT 06854 1 0 0 0 0 Ordinary Shares 2026-07-22 4 A 0 112859 0 A 252000 D The purpose of this Form 4/A is to correct (i) the date of the reported transaction, (ii) the quantity of securities acquired by the Reporting Person, and (iii) the quantity of securities beneficially owned by the Reporting Person following the reported transaction. /s/ Avraham Ben-Tzvi 2026-08-06