Arqit Quantum Inc.: director Carlo Calabria exercised 250 shares

What happened

• Carlo Calabria, a director, exercised or converted derivatives resulting in the acquisition of 250 Arqit Quantum Inc. ordinary shares on Oct 2, 2026. The filing shows four acquired lots of 17, 83, 83 and 67 shares at $0.00 each and four corresponding derivative disposals of 17, 83, 83 and 67 shares at N/A.

Key details

• Transaction date: Oct 2, 2026. Acquisition price: $0.00 per share for the 250 acquired shares. Disposed derivative price: N/A.
• Filing date: Oct 6, 2026. The filing does not indicate whether it was filed late.
• Shares owned after the transaction: Not reported in the filing.
• Footnotes in the filing:
  • F1: Restricted share units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis.
  • F2: RSUs vest quarterly in equal installments on Oct 1, 2026, and Jan 1, Apr 1 and Jul 1, 2027.
  • F3: RSUs vest quarterly in equal installments on Oct 1, 2026, and Jan 1, Apr 1, Jul 1 and Oct 1, 2027.
  • F4: RSUs vest quarterly in equal installments on Oct 1, 2026, and Jan 1, Apr 1, Jul 1 and Oct 1, 2027, and Jan 1, Apr 1, Jul 1 and Oct 1, 2028.
• Remarks: The filing states the issuer is a foreign private issuer and the reporting person's transactions are exempt from Sections 16(b) and 16(c) of the Act.

Why it may matter

• The filing reports exercise or conversion of derivative awards (M code) into ordinary shares rather than a market sale.
• The filing does not show a cashless exercise or an open-market sale of the acquired shares.
• The filing does not indicate gift activity or 10% owner status.

A filing does not show why the insider traded or why the company acted.