InsiderTrades

Form 4 for ARQQ Arqit Quantum Inc.

Accepted 2026-07-21 14:10:17 ET · period of report 2026-07-17 · accession 0001859690-26-000154 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-07-21 14:10 2026-07-17 ARQQ Lefebvre d'Ovidio Manfredi Dir M - OptEx $0.00 +673 49.0K +1% $0
D 2026-07-21 14:10 2026-07-17 ARQQ Lefebvre d'Ovidio Manfredi Dir M - OptEx $0.00 -673 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Ordinary Shares 2026-07-17 M A 673 $0.00 49,023 D — — (F1) Restricted Stock Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested within the week of the grant date.
2 Derivative Restricted Share Units 2026-07-17 M D 673 $0.00 0 D — · — to — 673 Ordinary Shares (F1) Restricted Stock Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested within the week of the grant date. (F1) Restricted Stock Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested within the week of the grant date. (F1) Restricted Stock Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested within the week of the grant date.