Arcellx, Inc. - ACLX
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: 18
Latest filed: Aug 14, 2026
| Form | Count |
|---|---|
| 4 | 11 |
| SCHEDULE 13G/A | 3 |
| SCHEDULE 13D/A | 3 |
| 8-K | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Aug 14, 2026 | SCHEDULE 13G/A | — | 0001104659-26-097210 | View |
| May 15, 2026 | SCHEDULE 13G/A | — | 0000902664-26-002548 | View |
| Apr 30, 2026 | SCHEDULE 13D/A | — | 0001072613-26-000356 | View |
| Apr 28, 2026 | 4 | Apr 28, 2026 | 0001193125-26-188029 | View |
| Apr 28, 2026 | 8-K | Apr 28, 2026 | 0001104659-26-050318 | View |
| Apr 28, 2026 | SCHEDULE 13D/A | — | 0001193125-26-187088 | View |
| Apr 28, 2026 | 4 | Apr 28, 2026 | 0001613689-26-000009 | View |
| Apr 28, 2026 | 4 | Apr 28, 2026 | 0001193125-26-187305 | View |
| Apr 28, 2026 | 4 | Apr 28, 2026 | 0001789632-26-000010 | View |
| Apr 28, 2026 | 4 | Apr 28, 2026 | 0001930862-26-000008 | View |
| Apr 28, 2026 | 4 | Apr 28, 2026 | 0001417976-26-000002 | View |
| Apr 28, 2026 | 4 | Apr 28, 2026 | 0001572000-26-000002 | View |
| Apr 28, 2026 | 4 | Apr 28, 2026 | 0002018445-26-000002 | View |
| Apr 28, 2026 | 4 | Apr 28, 2026 | 0001670683-26-000002 | View |
| Apr 28, 2026 | 4 | Apr 28, 2026 | 0001663771-26-000002 | View |
| Apr 28, 2026 | SCHEDULE 13D/A | — | 0001104659-26-049902 | View |
| Apr 17, 2026 | 4 | Apr 15, 2026 | 0001193125-26-161748 | View |
| Mar 26, 2026 | SCHEDULE 13G/A | — | 0000102909-26-000638 | View |