Company facts
- Industry
- Services-Prepackaged Software
- Headquarters
- London
- Most recent report
- 6-K, filed Sep 9, 2026
- Filings on record
- 440 filings
- On EDGAR
- CIK 1859690
- Fiscal year ends
- September
- Filer status
- Accelerated filer, Emerging growth company
Financials 8 of 50
- 6-K Report a foreign issuer made public elsewhere Sep 9, 2026
- 6-K Report a foreign issuer made public elsewhere Aug 19, 2026
- 6-K Report a foreign issuer made public elsewhere Jun 17, 2026
- 6-K Report a foreign issuer made public elsewhere May 21, 2026
- 6-K Report a foreign issuer made public elsewhere May 1, 2026
- 6-K Report a foreign issuer made public elsewhere Apr 13, 2026
- 6-K Report a foreign issuer made public elsewhere Mar 4, 2026
- 6-K Report a foreign issuer made public elsewhere Jan 12, 2026
Prospectuses and Registrations 8 of 38
- 25-NSE Notice that a security was delisted Sep 2, 2026
- 424B3 Prospectus supplement for an offering May 21, 2026
- 424B5 Prospectus supplement for an offering Jan 26, 2026
- F-3 Jan 12, 2026
- 424B3 Prospectus supplement for an offering Dec 9, 2025
- 424B3 Prospectus supplement for an offering Dec 9, 2025
- 424B3 Prospectus supplement for an offering Sep 19, 2025
- 424B5 Prospectus supplement for an offering Sep 15, 2025
Ownership 8 of 291
- 4 Insider reported a trade Sep 23, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Sep 10, 2026
- 4 Insider reported a trade Jul 21, 2026
- 4 Insider reported a trade Jul 21, 2026
- 4 Insider reported a trade Jul 21, 2026
- 4 Insider reported a trade Jul 17, 2026
- 4 Insider reported a trade Jul 17, 2026
- 4 Insider reported a trade Jul 17, 2026
Other 8 of 61
- EFFECT Notice that a registration became effective Jan 26, 2026
- CORRESP Reply to SEC staff Jan 23, 2026
- F-3/A Amended filing Jan 23, 2026
- UPLOAD Comment letter from SEC staff Jan 16, 2026
- EFFECT Notice that a registration became effective Sep 19, 2025
- CORRESP Reply to SEC staff Sep 17, 2025
- F-3/A Amended filing Sep 15, 2025
- UPLOAD Comment letter from SEC staff Sep 9, 2025
Everything here comes from Arqit Quantum Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.