Insider Trading Report for Arqit Quantum Inc.

This filing details transactions made by Manfredi Lefebvre d'Ovidio, a director at Arqit Quantum Inc. (ARQQ), involving the disposal of Business Combination Warrants. On May 26, 2026, 151 warrants were sold at $1.80 each, reducing the post-transaction holdings to 22,152.52 warrants. The following day, May 27, 2026, an additional 152 warrants were sold at the same price, further decreasing the post-transaction holdings to 22,000.52 warrants. These transactions are exempt from Section 16(b) and 16(c) of the Act due to Arqit Quantum Inc. being a foreign private issuer. The filing also references a reverse stock split implemented on September 19, 2024, where 25 ordinary shares were consolidated into one. Each warrant, post-split, allows the purchase of 0.04 ordinary shares at an exercise price of $11.50, requiring the exercise of at least 25 warrants for one whole ordinary share.