Arqit Quantum Inc. - ARQQ
All tracked SEC files for this issuer. Showing up to 200 latest records.
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Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 49
Latest filed: May 21, 2026
| Form | Count |
|---|---|
| 4 | 26 |
| 144 | 17 |
| 6-K | 6 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| May 21, 2026 | 6-K | Mar 31, 2026 | 0001104659-26-064890 | View |
| May 20, 2026 | 4 | Apr 20, 2026 | 0001859690-26-000085 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0001104659-26-063814 | View |
| May 15, 2026 | 4 | May 13, 2026 | 0001104659-26-062503 | View |
| May 13, 2026 | 4 | May 12, 2026 | 0001104659-26-060231 | View |
| May 12, 2026 | 4 | May 08, 2026 | 0001104659-26-059371 | View |
| May 08, 2026 | 4 | May 06, 2026 | 0001104659-26-057902 | View |
| May 08, 2026 | 4 | May 06, 2026 | 0001859690-26-000079 | View |
| May 08, 2026 | 4 | May 06, 2026 | 0001859690-26-000081 | View |
| May 08, 2026 | 4 | May 07, 2026 | 0001859690-26-000082 | View |
| May 06, 2026 | 4 | May 04, 2026 | 0001104659-26-056238 | View |
| May 04, 2026 | 4 | Apr 30, 2026 | 0001104659-26-054870 | View |
| May 01, 2026 | 6-K | May 01, 2026 | 0001104659-26-053485 | View |
| Apr 30, 2026 | 4 | Apr 29, 2026 | 0001104659-26-052879 | View |
| Apr 29, 2026 | 4 | Apr 27, 2026 | 0001104659-26-051483 | View |
| Apr 27, 2026 | 4 | Apr 23, 2026 | 0001104659-26-049428 | View |
| Apr 23, 2026 | 4 | Apr 21, 2026 | 0001104659-26-047682 | View |
| Apr 21, 2026 | 4 | Apr 17, 2026 | 0001104659-26-045995 | View |
| Apr 20, 2026 | 144 | — | 0001959173-26-002991 | View |
| Apr 17, 2026 | 4 | Apr 15, 2026 | 0001104659-26-044898 | View |
| Apr 13, 2026 | 6-K | Apr 13, 2026 | 0001104659-26-042173 | View |
| Apr 07, 2026 | 4 | Apr 06, 2026 | 0001859690-26-000067 | View |
| Apr 06, 2026 | 144 | — | 0001959173-26-002801 | View |
| Apr 03, 2026 | 4 | Apr 01, 2026 | 0001859690-26-000064 | View |
| Apr 03, 2026 | 4 | Apr 01, 2026 | 0001859690-26-000065 | View |
| Apr 03, 2026 | 4 | Apr 01, 2026 | 0001859690-26-000062 | View |
| Apr 03, 2026 | 4 | Apr 01, 2026 | 0001859690-26-000063 | View |
| Apr 03, 2026 | 4 | Apr 01, 2026 | 0001859690-26-000058 | View |
| Apr 03, 2026 | 4 | Apr 01, 2026 | 0001859690-26-000059 | View |
| Apr 03, 2026 | 4 | Apr 01, 2026 | 0001859690-26-000060 | View |
| Apr 03, 2026 | 4 | Apr 01, 2026 | 0001859690-26-000061 | View |
| Apr 02, 2026 | 144 | — | 0001959173-26-002758 | View |
| Apr 02, 2026 | 144 | — | 0001959173-26-002762 | View |
| Apr 02, 2026 | 144 | — | 0001959173-26-002763 | View |
| Apr 02, 2026 | 144 | — | 0001959173-26-002765 | View |
| Apr 02, 2026 | 144 | — | 0001959173-26-002766 | View |
| Mar 04, 2026 | 6-K | Mar 04, 2026 | 0001104659-26-023442 | View |
| Mar 04, 2026 | 144 | — | 0001959173-26-001917 | View |
| Feb 25, 2026 | 144 | — | 0001959173-26-001470 | View |
| Feb 20, 2026 | 144 | — | 0001959173-26-001293 | View |
| Jan 12, 2026 | 6-K | Jan 12, 2026 | 0001104659-26-002738 | View |
| Jan 06, 2026 | 144 | — | 0001959173-26-000175 | View |
| Jan 02, 2026 | 144 | — | 0001959173-26-000040 | View |
| Jan 02, 2026 | 144 | — | 0001959173-26-000041 | View |
| Jan 02, 2026 | 144 | — | 0001959173-26-000042 | View |
| Jan 02, 2026 | 144 | — | 0001959173-26-000043 | View |
| Jan 02, 2026 | 144 | — | 0001959173-26-000045 | View |
| Dec 11, 2025 | 144 | — | 0001959173-25-007651 | View |
| Dec 09, 2025 | 6-K | Dec 09, 2025 | 0001104659-25-119505 | View |