Arqit Quantum Inc. (ARQQ) Insider Trading Disclosures
Arqit Quantum Inc. (ARQQ) is a publicly traded company on the Nasdaq, categorized under SIC 7372 (Services-Prepackaged Software). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: ARQQ
CIK: 1859690
Exchange: Nasdaq
SIC 7372: Services-Prepackaged Software
Fiscal Year End: 09/30
State: E9
Independent PCAOB Auditor
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Audit Firm
PKF Littlejohn LLP
Auditor SinceSince 9/30/2021 12:00:00 AM
Lead Engagement PartnerAndrew Simpson
Audit LocationLondon, United Kingdom
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 4 | 2026-10-15 | 2026-10-13 | PRIMARY DOCUMENT | 0001859690-26-000193 | View SEC Doc Filr Page |
| 4 | 2026-10-13 | 2026-10-12 | PRIMARY DOCUMENT | 0001859690-26-000192 | View SEC Doc Filr Page |
| 144 | 2026-10-13 | — | 144 Filing | 0001959173-26-007353 | View SEC Doc Filr Page |
| 4 | 2026-10-08 | 2026-10-06 | PRIMARY DOCUMENT | 0001859690-26-000191 | View SEC Doc Filr Page |
| 4 | 2026-10-08 | 2026-10-06 | PRIMARY DOCUMENT | 0001859690-26-000190 | View SEC Doc Filr Page |
| 4 | 2026-10-08 | 2026-10-06 | PRIMARY DOCUMENT | 0001859690-26-000189 | View SEC Doc Filr Page |
| 4 | 2026-10-08 | 2026-10-06 | PRIMARY DOCUMENT | 0001859690-26-000188 | View SEC Doc Filr Page |
| 4 | 2026-10-08 | 2026-10-06 | PRIMARY DOCUMENT | 0001859690-26-000187 | View SEC Doc Filr Page |
| 4 | 2026-10-08 | 2026-10-06 | PRIMARY DOCUMENT | 0001859690-26-000186 | View SEC Doc Filr Page |
| 6-K | 2026-10-08 | 2026-10-08 | FORM 6-K | 0001104659-26-114690 | View SEC Doc Filr Page |
| 4 | 2026-10-07 | 2026-10-05 | PRIMARY DOCUMENT | 0001859690-26-000185 | View SEC Doc Filr Page |
| 4 | 2026-10-07 | 2026-10-05 | PRIMARY DOCUMENT | 0001859690-26-000184 | View SEC Doc Filr Page |
| 4 | 2026-10-07 | 2026-10-05 | PRIMARY DOCUMENT | 0001859690-26-000183 | View SEC Doc Filr Page |
| 4 | 2026-10-07 | 2026-10-05 | PRIMARY DOCUMENT | 0001859690-26-000182 | View SEC Doc Filr Page |
| 4 | 2026-10-07 | 2026-10-05 | PRIMARY DOCUMENT | 0001859690-26-000181 | View SEC Doc Filr Page |
| 4 | 2026-10-07 | 2026-10-05 | PRIMARY DOCUMENT | 0001859690-26-000180 | View SEC Doc Filr Page |
| 4 | 2026-10-07 | 2026-10-05 | PRIMARY DOCUMENT | 0001859690-26-000179 | View SEC Doc Filr Page |
| 4 | 2026-10-07 | 2026-10-05 | PRIMARY DOCUMENT | 0001859690-26-000178 | View SEC Doc Filr Page |
| 4 | 2026-10-06 | 2026-10-02 | PRIMARY DOCUMENT | 0001859690-26-000177 | View SEC Doc Filr Page |
| 4 | 2026-10-06 | 2026-10-02 | PRIMARY DOCUMENT | 0001859690-26-000176 | View SEC Doc Filr Page |
| 4 | 2026-10-06 | 2026-10-02 | PRIMARY DOCUMENT | 0001859690-26-000175 | View SEC Doc Filr Page |
| 4 | 2026-10-06 | 2026-10-02 | PRIMARY DOCUMENT | 0001859690-26-000174 | View SEC Doc Filr Page |
| 4 | 2026-10-06 | 2026-10-02 | PRIMARY DOCUMENT | 0001859690-26-000173 | View SEC Doc Filr Page |
| 4 | 2026-10-06 | 2026-10-02 | PRIMARY DOCUMENT | 0001859690-26-000172 | View SEC Doc Filr Page |
| 4 | 2026-10-06 | 2026-10-02 | PRIMARY DOCUMENT | 0001859690-26-000171 | View SEC Doc Filr Page |