Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001104659-26-059371
Filing Date
2026-05-12
Accepted
2026-05-12 16:05:13
Documents
1
Period of Report
2026-05-08

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT tm2614374-1_4seq1.html 4  
1 OWNERSHIP DOCUMENT tm2614374-1_4seq1.xml 4 7741
  Complete submission text file 0001104659-26-059371.txt   9126
Mailing Address 7 RUE DU GABIAN MONACO O9 98000
Business Address
Lefebvre d'Ovidio Manfredi (Reporting) CIK: 0001840678 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-40777 | Film No.: 26968398

Mailing Address 3 ORCHARD PLACE LONDON X0 SW1H 0BF
Business Address 3 ORCHARD PLACE LONDON X0 SW1H 0BF 44 203 91 70155
Arqit Quantum Inc. (Issuer) CIK: 0001859690 (see all company filings)

EIN.: 000000000 | State of Incorp.: E9 | Fiscal Year End: 0930
SIC: 7372 Services-Prepackaged Software
(CF Office: 06 Technology)