Arqit Quantum Director Manfredi Sells Business Combination Warrants

This Form 4 filing reports that Lefebvre d'Ovidio Manfredi, a director of Arqit Quantum Inc. (ARQQ), sold Business Combination Warrants through two transactions. On April 30, 2026, Manfredi sold 91 warrants at $2.30 per warrant, and on May 1, 2026, sold 402 warrants at $2.10 per warrant. Following these sales, Manfredi retains beneficial ownership of 25,741.32 ordinary shares on a post-reverse stock split basis through 643,533 Business Combination Warrants. The filing notes that as a foreign private issuer, Arqit Quantum's securities transactions are exempt from Sections 16(b) and 16(c) of the Securities Exchange Act. The warrants have an exercise price of $11.50 and expire on September 3, 2026, with each warrant convertible to 0.04 of an ordinary share post-reverse stock split.