Machine signal
Active cluster sell — 6 distinct insiders, $369.3K, window ends Oct 13, 2026.
Figures computed from official regulatory filings — .
Analysttarget 60 USD (+292%)
Ownershipinsiders 2.67% · institutions 82.59% · short 17.8% of float
In USD · as of Oct 19, 2026
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Arqit Quantum Inc. provides cybersecurity services through satellite and terrestrial platforms in the United Kingdom. It offers QuantumCloud, a Platform as a Service that creates unbreakable software encryption keys. The company also provides maintenance and support, and professional services. Arqit Quantum Inc. is based in London, the United Kingdom.
Market information source · Oct 19, 2026
SEC company identity · Oct 19, 2026
Open-market timeline · full history
43 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Lefebvre d'Ovidio Manfredi | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Lefebvre d'Ovidio Manfredi | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ritchie Garth | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Lefebvre d'Ovidio Manfredi | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Calabria Carlo | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ritchie Garth | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ritchie Garth | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Calabria Carlo | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Calabria Carlo | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Leaver Andrew | Sell | $42.2K | SEC |
| Leaver Andrew | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Leaver Andrew | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Nilan Nicholas William | Sell | $11.9K | SEC |
| Willcocks Patrick | Sell | $13.4K | SEC |
| Wilder Ben Simon | Sell | $5.3K | SEC |
| Ritchie Garth | Sell | $2.9K | SEC |
| Feenan Paul | Sell | $12.2K | SEC |
| Leaver Andrew | Sell | $58K | SEC |
| Lefebvre d'Ovidio Manfredi | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ritchie Garth | Sell | $3K | SEC |
| Ritchie Garth | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Willcocks Patrick | Sell | $14K | SEC |
| Willcocks Patrick | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Calabria Carlo | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Wilder Ben Simon | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |