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: 41
Latest filed: Apr 03, 2026
| Form | Count |
|---|---|
| 144 | 26 |
| 4 | 8 |
| 6-K | 5 |
| SCHEDULE 13D/A | 2 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| 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 |
| Nov 12, 2025 | SCHEDULE 13D/A | — | 0001104659-25-110321 | View |
| Nov 04, 2025 | 144 | — | 0001959173-25-006716 | View |
| Oct 21, 2025 | 6-K | Oct 21, 2025 | 0001104659-25-101054 | View |
| Oct 20, 2025 | SCHEDULE 13D/A | — | 0001104659-25-100833 | View |
| Oct 16, 2025 | 144 | — | 0001104659-25-099876 | View |
| Oct 15, 2025 | 144 | — | 0001959173-25-006450 | View |
| Oct 15, 2025 | 144 | — | 0001959173-25-006452 | View |
| Oct 14, 2025 | 144 | — | 0001959173-25-006420 | View |
| Oct 14, 2025 | 144 | — | 0001959173-25-006441 | View |
| Oct 09, 2025 | 6-K | Oct 09, 2025 | 0001104659-25-098114 | View |
| Oct 06, 2025 | 144 | — | 0001959173-25-006353 | View |
| Oct 06, 2025 | 144 | — | 0001959173-25-006355 | View |
| Oct 06, 2025 | 144 | — | 0001959173-25-006356 | View |
| Oct 06, 2025 | 144 | — | 0001959173-25-006357 | View |
| Oct 06, 2025 | 144 | — | 0001959173-25-006360 | View |