Arqit Quantum: director Ritchie Garth exercised 248 shares

What happened

• Ritchie Garth, a director, exercised or converted RSUs into 248 shares at $0.00 and the Form 4 also reports dispositions of 248 derivative-converted shares at $0.00. He also sold 127 shares in an open-market sale at $23.78 for $3,021 on Oct 5, 2026.

Key details

• Transaction date: Oct 5, 2026. Prices: $0.00 for the derivative exercise/conversion entries; $23.78 for the open-market sale. Sale proceeds: $3,021.
• Shares acquired by exercise/conversion: 16, 66, 83, and 83 (total 248). Shares disposed as derivatives: 16, 66, 83, and 83 (total 248). Shares sold in market: 127.
• Shares owned after the transactions: not stated in the Form 4.
• Relevant footnotes from the filing:
  • F1: RSUs convert into ARQQ ordinary shares on a one-for-one basis.
  • F2–F4: RSUs vest quarterly on specified dates (starting Oct 1, 2026) per the schedules in the filing.
• Filing date and period: filed Oct 7, 2026; period of report Oct 5, 2026. No late filing flag is indicated in the Form 4.

Why it may matter

• The filing reports RSU conversions (recorded at $0.00) and an open-market sale of 127 shares at $23.78; the conversion and derivative-disposition entries are recorded separately from the open-market sale.
• A filing does not show why the insider traded or why the company acted.