InsiderTrades

Form 4 for ARQQ Arqit Quantum Inc.

Accepted 2026-07-06 16:11:58 ET · period of report 2026-07-01 · accession 0001859690-26-000131 · 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
DM 2026-07-06 16:11 2026-07-01 ARQQ Wilder Ben Simon COO M - OptEx $0.00 +1,333 4,351 +44% $0
D 2026-07-06 16:11 2026-07-02 ARQQ Wilder Ben Simon COO S - Sale+OE $25.20 -769 3,582 -18% -$19.4K
DM 2026-07-06 16:11 2026-07-01 ARQQ Wilder Ben Simon COO M - OptEx $0.00 -1,333 4,500 -23% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Ordinary Shares 2026-07-01 M A 833 $0.00 3,851.47 D — — (F1) The Restricted Share Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis.
2 Common Ordinary Shares 2026-07-01 M A 500 $0.00 4,351.47 D — — (F1) The Restricted Share Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis.
3 Common Ordinary Shares 2026-07-02 S D 769 $25.20 3,582.47 D — —
4 Derivative Restricted Share Units 2026-07-01 M D 833 $0.00 4,165 D — · — to — 833 Ordinary Shares (F1) The Restricted Share Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis. (F2) The RSUs vest quarterly in equal installments on July 1 and October 1, 2026, and January 1, April 1, July 1, and October 1, 2027. (F2) The RSUs vest quarterly in equal installments on July 1 and October 1, 2026, and January 1, April 1, July 1, and October 1, 2027.
5 Derivative Restricted Share Units 2026-07-01 M D 500 $0.00 4,500 D — · — to — 500 Ordinary Shares (F1) The Restricted Share Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis. (F3) The RSUs vest quarterly in equal installments on July 1, and October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028. (F3) The RSUs vest quarterly in equal installments on July 1, and October 1, 2026, and January 1, April 1, July 1, and October 1, 2027, and January 1, April 1, July 1, and October 1, 2028.