Insider Transaction Report for Arqit Quantum Inc.

Jennifer Bers, Chief Revenue Officer at Arqit Quantum Inc., reported a series of transactions on June 22, 2026. She acquired 15,000 Ordinary Shares through the vesting of Restricted Stock Units (RSUs), with no cost basis. Subsequently, she disposed of 8,288 Ordinary Shares at a price of $21.42 per share, leaving her with 6,712 shares. The RSUs converted to ordinary shares on a one-for-one basis upon vesting. These transactions are exempt from Section 16(b) of the Securities Exchange Act of 1934 due to the issuer's status as a foreign private issuer. The reporting owner, Bers, holds these shares directly.