Arqit Quantum INC

Andrew Leaver, Chief Executive Officer of Arqit Quantum Inc., sold 2,573 shares of common stock on October 13, 2026 for $16.40 per share.

Andrew Leaver, Chief Executive Officer of Arqit Quantum Inc., reported multiple transactions in common stock on October 12, 2026.

Ben Simon Wilder, Chief Operating Officer of Arqit Quantum Inc., sold 218 shares of common stock on October 6, 2026 for $24.19 per share.

Nicholas William Nilan, General Manager-US of Arqit Quantum Inc., sold 493 shares of common stock on October 6, 2026 for $24.19 per share.

Garth Ritchie, a Director of Arqit Quantum Inc., sold 118 shares of common stock on October 6, 2026 for $24.19 per share.

Patrick Willcocks, General Counsel of Arqit Quantum Inc., sold 555 shares of common stock on October 6, 2026 for $24.19 per share.

Heritage Assets SCSp, M Management S.A., and Manfredi Lefebvre d'Ovidio have updated their Schedule 13D filing to reflect a decrease in their beneficial ownership percentage of Arqit Quantum Inc. due to share issuances.

Heritage Assets SCSp and affiliates reduced their beneficial ownership in Arqit Quantum Inc. to 41.8% following recent sales of shares and warrants.

A group of major shareholders, including Manfredi Lefebvre d'Ovidio, reduced their beneficial ownership in Arqit Quantum Inc. to 43.2% following recent sales of shares and warrants.

Heritage Assets SCSp and affiliates reduced their beneficial ownership in Arqit Quantum Inc. to 46.0% due to dilution and warrant sales.

Heritage Assets SCSp and affiliates updated their beneficial ownership in Arqit Quantum Inc. to 49.6% following warrant sales and the exercisability of new warrants.

A group of major shareholders, including Heritage Assets SCSp and Manfredi Lefebvre d'Ovidio, has reduced their beneficial ownership in Arqit Quantum Inc. to 35.8% due to share dilution and the sale of Business Combination Warrants.

Notion Capital III LP has reported beneficial ownership of 1,812,206 ordinary shares, representing 10.0% of Arqit Quantum Inc., following warrant exercises and a share sale.