Calabria Carlo 4

What Happened
Carlo Calabria, a director of Arqit Quantum Inc. (ARQQ), exercised 120,000 ordinary share purchase warrants on June 3, 2026, paying $2.50 per share for a total cash outlay of $300,000 to acquire 120,000 ARQQ ordinary shares. The filing also reports the corresponding disposition of the derivative warrants (120,000) at $0.00, reflecting conversion/surrender of the warrants into the underlying shares.

Key Details

• Transaction date: 2026-06-03; Form 4 filed: 2026-06-05.
• Purchase/exercise: 120,000 shares acquired at $2.50 each — total $300,000 (footnote F1: ordinary share purchase warrants exercised).
• Disposition: 120,000 derivative instruments disposed at $0.00 (represents surrender/conversion of the warrants).
• Shares owned after transaction: not disclosed in the filing.
• Filing note: issuer is a foreign private issuer; reporting person’s transactions are stated as exempt from Sections 16(b) and 16(c) of the Exchange Act (per the filing remarks).

Context
This was an exercise of warrants (derivative → common shares), not an open-market purchase or a sale. Exercising warrants is a cash purchase of shares and can indicate the insider chose to convert existing warrants into stock. The transaction was reported two days after the exercise; the issuer’s foreign private issuer status is noted in the filing.