Arqit Quantum Inc.: CEO Leaver Andrew exercised 5,209 shares

What happened Leaver Andrew, CEO, exercised or converted derivative securities into 5,209 Arqit ordinary shares on Oct 1, 2026. The filing shows an acquisition entry of 5,209 shares at $0.00 (total $0) and a corresponding disposition entry for 5,209 derivative shares reported with price N/A.

Key details

• Transaction date and code: Oct 1, 2026; code M (exercise/conversion).
• Acquired: 5,209 shares at $0.00, total value $0.
• Disposed: 5,209 derivative shares, price reported as N/A (derivative conversion/disposition).
• Shares owned after the transaction: not stated in the filing excerpt provided.
• Footnotes: F1 — RSUs convert into ARQQ ordinary shares on a one-for-one basis. F2 — RSUs vest quarterly in equal installments on Jul 1 and Oct 1, 2026; Jan 1, Apr 1, Jul 1, Oct 1, 2027; Jan 1, Apr 1, Jul 1, Oct 1, 2028; and Jan 1, Apr 1, Jul 1, Oct 1, 2029.
• Remarks: Issuer reports foreign private issuer status; transactions exempt from Sections 16(b) and 16(c). Ex.24 power of attorney referenced.

Why it may matter The filing reports a conversion/exercise of RSUs into shares and does not show a sale of those shares (not a cashless exercise). A filing does not show why the insider traded or why the company acted.