Company · CIK 1859690 # Arqit Quantum Inc. | CIK | [1859690](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001859690) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 7372 — Services-Prepackaged Software | | Incorporated in | E9 | | Business address | United Kingdom | | Listed | ARQQ (Nasdaq) | | First annual or quarterly report | 2021-09-10 | ## Offerings 5 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-292677 | Shelf Effective | 2026-01-12 | 2026-01-26 | 3 | | 333-289939 | Shelf Effective | 2025-08-29 | 2025-09-19 | 2 | | 333-284343 | Shelf Effective | 2025-01-17 | 2025-09-15 | 4 | | 333-268786 | Shelf Effective | 2022-12-14 | 2024-10-01 | 7 | | 333-259982 | Registered company Effective | 2021-10-01 | 2022-11-22 | 5 | ## Filings 22 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-01-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1859690/999999999526000301/9999999995-26-000301-index.htm) Declared effective | 333-292677 | 9999999995-26-000301 | | 2026-01-26 | [424B5](https://www.sec.gov/Archives/edgar/data/1859690/000110465926006614/0001104659-26-006614-index.htm) Shelf takedown | 333-292677 | 0001104659-26-006614 | | 2026-01-12 | [F-3](https://www.sec.gov/Archives/edgar/data/1859690/000110465926002871/0001104659-26-002871-index.htm) Shelf registered | 333-292677 | 0001104659-26-002871 | | 2025-09-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1859690/999999999525003023/9999999995-25-003023-index.htm) Declared effective | 333-289939 | 9999999995-25-003023 | | 2025-09-15 | [424B5](https://www.sec.gov/Archives/edgar/data/1859690/000110465925089989/0001104659-25-089989-index.htm) Shelf takedown | 333-284343 | 0001104659-25-089989 | | 2025-08-29 | [F-3](https://www.sec.gov/Archives/edgar/data/1859690/000110465925085640/0001104659-25-085640-index.htm) Shelf registered | 333-289939 | 0001104659-25-085640 | | 2025-01-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1859690/999999999525000234/9999999995-25-000234-index.htm) Declared effective | 333-284343 | 9999999995-25-000234 | | 2025-01-29 | [424B5](https://www.sec.gov/Archives/edgar/data/1859690/000110465925007208/0001104659-25-007208-index.htm) Shelf takedown | 333-284343 | 0001104659-25-007208 | | 2025-01-17 | [F-3](https://www.sec.gov/Archives/edgar/data/1859690/000110465925004490/0001104659-25-004490-index.htm) Shelf registered | 333-284343 | 0001104659-25-004490 | | 2024-10-01 | [424B5](https://www.sec.gov/Archives/edgar/data/1859690/000110465924104681/0001104659-24-104681-index.htm) Shelf takedown | 333-268786 | 0001104659-24-104681 | | 2024-04-15 | [424B5](https://www.sec.gov/Archives/edgar/data/1859690/000110465924046967/0001104659-24-046967-index.htm) Shelf takedown | 333-268786 | 0001104659-24-046967 | | 2023-09-11 | [424B5](https://www.sec.gov/Archives/edgar/data/1859690/000110465923099706/0001104659-23-099706-index.htm) Shelf takedown | 333-268786 | 0001104659-23-099706 | | 2023-02-21 | [424B5](https://www.sec.gov/Archives/edgar/data/1859690/000110465923023564/0001104659-23-023564-index.htm) Shelf takedown | 333-268786 | 0001104659-23-023564 | | 2022-12-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1859690/999999999523000007/9999999995-23-000007-index.htm) Declared effective | 333-268786 | 9999999995-23-000007 | | 2022-12-30 | [424B5](https://www.sec.gov/Archives/edgar/data/1859690/000110465922131363/0001104659-22-131363-index.htm) Shelf takedown | 333-268786 | 0001104659-22-131363 | | 2022-12-14 | [F-3](https://www.sec.gov/Archives/edgar/data/1859690/000110465922126798/0001104659-22-126798-index.htm) Shelf registered | 333-268786 | 0001104659-22-126798 | | 2022-11-22 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1859690/999999999522003374/9999999995-22-003374-index.htm) Declared effective | 333-259982 | 9999999995-22-003374 | | 2021-12-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1859690/999999999521004808/9999999995-21-004808-index.htm) Declared effective | 333-259982 | 9999999995-21-004808 | | 2021-10-12 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1859690/999999999521003859/9999999995-21-003859-index.htm) Declared effective | 333-259982 | 9999999995-21-003859 | | 2021-10-08 | [F-1/A](https://www.sec.gov/Archives/edgar/data/1859690/000110465921124384/0001104659-21-124384-index.htm) Amendment | 333-259982 | 0001104659-21-124384 | | 2021-10-01 | [F-1](https://www.sec.gov/Archives/edgar/data/1859690/000110465921122066/0001104659-21-122066-index.htm) Registration filed | 333-259982 | 0001104659-21-122066 | | 2021-07-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1859690/999999999521002999/9999999995-21-002999-index.htm) Declared effective | 333-256591 | 9999999995-21-002999 | [All filings of this company](https://equitycapital.markets/filings?cik=1859690) · [CSV](https://equitycapital.markets/filings.csv?cik=1859690) --- Source page: https://equitycapital.markets/company/1859690 · Data: U.S. SEC EDGAR · CC BY 4.0