Arqit Quantum is the subject of a $7 million securities class action settlement covering Centricus shareholders as of July 26, 2021, and individuals who purchased Arqit ordinary shares or warrants between September 7, 2021, and December 13, 2022. Eligible claimants may receive $0.05 per Arqit warrant before deductions, with share payouts determined pro rata. The deadline to file a claim form for this settlement is June 22, 2026.