Form 4 Filing by Arqit Quantum Inc. insider Patrick Willcocks

Patrick Willcocks, General Counsel at Arqit Quantum Inc., reported a disposition of 555 ordinary shares on October 6, 2026. The transaction, executed at a price of $24.1915 per share, resulted in a post-transaction ownership of 11,209 shares. This transaction is exempt from Section 16(b) and 16(c) of the Securities Exchange Act of 1934 due to Arqit Quantum Inc.'s status as a foreign private issuer. The filing was made on Form 4, signed by Noleen McDonnell as Attorney-in-Fact for Mr. Willcocks.