Leaver Andrew plan to sell securities of Arqit Quantum Inc. under Form 144

Leaver Andrew filed Form 144 to notify SEC of plan to sell 9893 units of Arqit Quantum Inc. securities around 2026-07-02, with aggregate market value of $249,329.32. The total outstanding units is 15291767.0. The amount planned to be sold represents 0.06% of total outstanding units; Recent transactions in past 3 months include: On 04/06/2026, sold 7595 units for $102621.36;