Form 4 Filing for Arqit Quantum Inc. - Insider Transactions

This filing details transactions made by Ben Simon Wilder, Chief Operating Officer of Arqit Quantum Inc., on April 1st and 2nd, 2026. On April 1st, Mr. Wilder acquired 833 and 500 Restricted Stock Units (RSUs), which convert to ordinary shares. These RSUs vest quarterly through October 2028. Following these acquisitions, his holdings increased. On April 2nd, Mr. Wilder disposed of 683 ordinary shares at a price of $13.3112 per share, resulting in a decrease in his direct holdings. The filing notes that 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 total number of ordinary shares held after these transactions is 3018.47.