Arqit Quantum Inc. - ARQQ
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 116
Latest filed: Oct 07, 2026
| Form | Count |
|---|---|
| 4 | 80 |
| 144 | 27 |
| 6-K | 6 |
| SCHEDULE 13G/A | 1 |
| SCHEDULE 13G | 1 |
| SCHEDULE 13D/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Oct 07, 2026 | 4 | Oct 05, 2026 | 0001859690-26-000178 | View |
| Oct 07, 2026 | 4 | Oct 05, 2026 | 0001859690-26-000179 | View |
| Oct 07, 2026 | 4 | Oct 05, 2026 | 0001859690-26-000180 | View |
| Oct 07, 2026 | 4 | Oct 05, 2026 | 0001859690-26-000181 | View |
| Oct 07, 2026 | 4 | Oct 05, 2026 | 0001859690-26-000182 | View |
| Oct 07, 2026 | 4 | Oct 05, 2026 | 0001859690-26-000183 | View |
| Oct 07, 2026 | 4 | Oct 05, 2026 | 0001859690-26-000184 | View |
| Oct 07, 2026 | 4 | Oct 05, 2026 | 0001859690-26-000185 | View |
| Oct 06, 2026 | 4 | Oct 02, 2026 | 0001859690-26-000176 | View |
| Oct 06, 2026 | 4 | Oct 02, 2026 | 0001859690-26-000177 | View |
| Oct 06, 2026 | 4 | Oct 02, 2026 | 0001859690-26-000170 | View |
| Oct 06, 2026 | 4 | Oct 02, 2026 | 0001859690-26-000171 | View |
| Oct 06, 2026 | 4 | Oct 02, 2026 | 0001859690-26-000172 | View |
| Oct 06, 2026 | 4 | Oct 02, 2026 | 0001859690-26-000173 | View |
| Oct 06, 2026 | 4 | Oct 02, 2026 | 0001859690-26-000174 | View |
| Oct 06, 2026 | 4 | Oct 02, 2026 | 0001859690-26-000175 | View |
| Oct 06, 2026 | 144 | — | 0001959173-26-007294 | View |
| Oct 06, 2026 | 144 | — | 0001959173-26-007289 | View |
| Oct 06, 2026 | 144 | — | 0001959173-26-007290 | View |
| Oct 06, 2026 | 144 | — | 0001959173-26-007291 | View |
| Oct 06, 2026 | 144 | — | 0001959173-26-007292 | View |
| Oct 06, 2026 | 144 | — | 0001959173-26-007293 | View |
| Oct 05, 2026 | 4 | Oct 01, 2026 | 0001859690-26-000169 | View |
| Oct 05, 2026 | 4 | Oct 01, 2026 | 0001859690-26-000168 | View |
| Oct 05, 2026 | 4 | Oct 01, 2026 | 0001859690-26-000167 | View |
| Oct 05, 2026 | 4 | Oct 01, 2026 | 0001859690-26-000162 | View |
| Oct 05, 2026 | 4 | Oct 01, 2026 | 0001859690-26-000163 | View |
| Oct 05, 2026 | 4 | Oct 01, 2026 | 0001859690-26-000164 | View |
| Oct 05, 2026 | 4 | Oct 01, 2026 | 0001859690-26-000165 | View |
| Oct 05, 2026 | 4 | Oct 01, 2026 | 0001859690-26-000166 | View |
| Oct 05, 2026 | 144 | — | 0001959173-26-007264 | View |
| Oct 05, 2026 | 144 | — | 0001959173-26-007266 | View |
| Oct 05, 2026 | 144 | — | 0001959173-26-007267 | View |
| Oct 05, 2026 | 144 | — | 0001959173-26-007268 | View |
| Oct 05, 2026 | 144 | — | 0001959173-26-007269 | View |
| Oct 05, 2026 | 144 | — | 0001959173-26-007263 | View |
| Oct 02, 2026 | 144 | — | 0001959173-26-007226 | View |
| Oct 02, 2026 | 144 | — | 0001959173-26-007217 | View |
| Oct 02, 2026 | 144 | — | 0001959173-26-007219 | View |
| Oct 02, 2026 | 144 | — | 0001959173-26-007220 | View |
| Oct 02, 2026 | 144 | — | 0001959173-26-007221 | View |
| Oct 02, 2026 | 144 | — | 0001959173-26-007222 | View |
| Sep 23, 2026 | 4 | Sep 22, 2026 | 0001104659-26-109998 | View |
| Sep 10, 2026 | SCHEDULE 13G/A | — | 0001703026-26-000007 | View |
| Sep 09, 2026 | 6-K | Sep 09, 2026 | 0001104659-26-106041 | View |
| Aug 19, 2026 | 6-K | Aug 19, 2026 | 0001104659-26-098769 | View |
| Jul 21, 2026 | 4 | Jul 17, 2026 | 0001859690-26-000153 | View |
| Jul 21, 2026 | 4 | Jul 17, 2026 | 0001859690-26-000154 | View |
| Jul 21, 2026 | 4 | Jul 17, 2026 | 0001859690-26-000160 | View |
| Jul 17, 2026 | 4 | Jul 15, 2026 | 0001859690-26-000146 | View |
| Jul 17, 2026 | 4 | Jul 15, 2026 | 0001859690-26-000147 | View |
| Jul 17, 2026 | 4 | Jul 15, 2026 | 0001859690-26-000148 | View |
| Jul 13, 2026 | 4 | Jul 09, 2026 | 0001104659-26-083095 | View |
| Jul 09, 2026 | 4 | Jul 07, 2026 | 0001104659-26-082255 | View |
| Jul 07, 2026 | 4 | Jul 02, 2026 | 0001104659-26-081290 | View |
| Jul 06, 2026 | 4 | Jul 01, 2026 | 0001859690-26-000128 | View |
| Jul 06, 2026 | 4 | Jul 01, 2026 | 0001859690-26-000131 | View |
| Jul 06, 2026 | 4 | Jul 01, 2026 | 0001859690-26-000133 | View |
| Jul 06, 2026 | 4 | Jul 01, 2026 | 0001859690-26-000135 | View |
| Jul 06, 2026 | 4 | Jul 01, 2026 | 0001859690-26-000137 | View |
| Jul 06, 2026 | 4 | Jul 01, 2026 | 0001859690-26-000139 | View |
| Jul 06, 2026 | 4 | Jul 01, 2026 | 0001859690-26-000142 | View |
| Jul 02, 2026 | 144 | — | 0001959173-26-005078 | View |
| Jul 02, 2026 | 4 | Jun 30, 2026 | 0001104659-26-080395 | View |
| Jul 02, 2026 | 144 | — | 0001959173-26-005081 | View |
| Jul 02, 2026 | 144 | — | 0001959173-26-005083 | View |
| Jul 02, 2026 | 144 | — | 0001959173-26-005086 | View |
| Jul 02, 2026 | 144 | — | 0001959173-26-005090 | View |
| Jul 02, 2026 | 4 | Jun 30, 2026 | 0001859690-26-000125 | View |
| Jun 30, 2026 | 4 | Jun 26, 2026 | 0001104659-26-079321 | View |
| Jun 30, 2026 | 144 | — | 0001959173-26-004971 | View |
| Jun 30, 2026 | 144 | — | 0001959173-26-004967 | View |
| Jun 26, 2026 | 4 | Jun 24, 2026 | 0001104659-26-078243 | View |
| Jun 24, 2026 | 4 | Jun 22, 2026 | 0001104659-26-077300 | View |
| Jun 24, 2026 | 4 | Jun 22, 2026 | 0001859690-26-000122 | View |
| Jun 23, 2026 | SCHEDULE 13G | — | 0001104659-26-076895 | View |
| Jun 22, 2026 | 4 | Apr 01, 2026 | 0001859690-26-000113 | View |
| Jun 22, 2026 | 4 | Apr 01, 2026 | 0001859690-26-000119 | View |
| Jun 22, 2026 | 4 | Jun 17, 2026 | 0001104659-26-076365 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001104659-26-075124 | View |
| Jun 17, 2026 | 144 | — | 0001959173-26-004746 | View |
| Jun 17, 2026 | 6-K | Jun 17, 2026 | 0001104659-26-074855 | View |
| Jun 15, 2026 | 4 | Jun 11, 2026 | 0001104659-26-074020 | View |
| Jun 11, 2026 | 4 | Jun 09, 2026 | 0001104659-26-072928 | View |
| Jun 09, 2026 | 4 | Jun 05, 2026 | 0001104659-26-071828 | View |
| Jun 05, 2026 | 4 | Jun 05, 2026 | 0001859690-26-000102 | View |
| Jun 05, 2026 | 4 | Jun 03, 2026 | 0001859690-26-000104 | View |
| Jun 05, 2026 | 4 | Jun 03, 2026 | 0001104659-26-070965 | View |
| Jun 03, 2026 | 4 | Jun 01, 2026 | 0001104659-26-070094 | View |
| Jun 01, 2026 | 4 | May 28, 2026 | 0001104659-26-068902 | View |
| May 28, 2026 | 4 | May 26, 2026 | 0001104659-26-067471 | View |
| May 26, 2026 | 4 | May 21, 2026 | 0001104659-26-066253 | View |
| May 26, 2026 | SCHEDULE 13D/A | — | 0001104659-26-066263 | View |
| May 21, 2026 | 4 | May 19, 2026 | 0001104659-26-065136 | View |
| 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 |