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 on May 19-20, 2026. The director sold 116 warrants at $1.60 per warrant on May 19, followed by 72 warrants at $1.90 per warrant on May 20. These transactions reduced the director's warrant holdings from 24,164.24 to 24,092.24 equivalent ordinary shares on a post-reverse stock split basis. 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 after the company's 25:1 reverse stock split implemented in September 2024.