Form 4 Filing for Arqit Quantum Inc. by Patrick Willcocks

This filing details transactions made by Patrick Willcocks, General Counsel of Arqit Quantum Inc., on October 2, 2026. Willcocks acquired 1148 ordinary shares through the conversion of Restricted Share Units (RSUs) with a reported value of $0.00 per share. These RSUs vest quarterly, with conversion details provided in footnotes. Additionally, Willcocks disposed of a total of 557 ordinary shares in separate transactions. 557 shares were sold at a price of $24.4743 per share. Following these transactions, Willcocks