SEC Form 4 · accession 0001104659-26-109998
Arqit Quantum Inc. · ARQQ
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
d'Ovidio Manfredi Lefebvre
Director
Period of report
Sep 22, 2026
Accepted (ET)
Sep 23, 2026 · 4:30 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001859690
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Ordinary Shares | Sep 22, 2026 | X | 4,600,000 | $2.50 | A | 8,942,448 | I | Beneficially owned through Heritage Assets SCSp |
| Ordinary Shares | holding | — | — | — | 49,023 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ordinary Share Purchase Warrants (right to buy)F1 | $2.50 | Sep 22, 2026 | X | 4,600,000 | D | — | Sep 30, 2026 | Ordinary Shares | 4,600,000 | 0 | I |
Explanation of responses
- F1Each Ordinary Share Purchase Warrant can be exercised at any time, at the holder's election, to purchase one ARQQ ordinary share.
Remarks
Due to the Issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Securities Exchange Act of 1934 (the "Act"), the reporting person's transactions in the Issuer's securities are exempt from Sections 16(b) and 16(c) of the Act.