Form 4 for ARQQ Arqit Quantum Inc.
Accepted 2026-07-21 14:16:30 ET · period of report 2026-07-17 · accession 0001859690-26-000160 · 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 14:16 | 2026-07-17 | ARQQ | Calabria Carlo | Dir | M - OptEx | $0.00 | +757 | 232.5K | +0.3% | $0 |
| D | 2026-07-21 14:16 | 2026-07-17 | ARQQ | Calabria Carlo | Dir | M - OptEx | $0.00 | -757 | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Ordinary Shares | 2026-07-17 | M | A | 757 | $0.00 | 232,478 | 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 | 757 | $0.00 | 0 | D | — · — to — | 757 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. |