Arcellx, Inc. — All Filings
427 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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144
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4
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424B4
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D
D/A
DEF 14A
DEFA14A
DRS
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DRSLTR
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NT 10-Q
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S-1
S-1/A
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SC 14D9
SC14D9C
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
SEC STAFF LETTER
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-000638 | Mar 26, 2026 | — |
| 4 | 4 | 0001193125-26-116340 | Mar 19, 2026 | Mar 17, 2026 |
| SC 14D9 | SC 14D9 | 0001104659-26-024793 | Mar 6, 2026 | — |
| SCHEDULE 13G/A | — | 0001897612-26-000310 | Mar 6, 2026 | — |
| SCHEDULE 13G/A | — | 0000315066-26-000660 | Mar 6, 2026 | — |
| 4 | 4 | 0001193125-26-092135 | Mar 4, 2026 | — |
| 4 | 4 | 0001193125-26-083657 | Feb 27, 2026 | — |
| 144 | — | 0001613689-26-000007 | Feb 27, 2026 | — |
| 10-K | 10-K | 0001193125-26-076876 | Feb 26, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-072579 | Feb 25, 2026 | — |
| 144 | — | 0001930862-26-000006 | Feb 25, 2026 | — |
| SCHEDULE 13D/A | — | 0001072613-26-000212 | Feb 24, 2026 | — |
| SCHEDULE 13D/A | — | 0001193125-26-067840 | Feb 24, 2026 | — |
| SC14D9C | SC14D9C | 0001193125-26-063963 | Feb 23, 2026 | — |
| SC14D9C | SC14D9C | 0001193125-26-063958 | Feb 23, 2026 | — |
| 8-K | 8-K | 0001193125-26-063955 | Feb 23, 2026 | Feb 22, 2026 |
| 144 | — | 0001930862-26-000004 | Feb 19, 2026 | — |
| 4 | 4 | 0001193125-26-059840 | Feb 19, 2026 | — |
| 4 | 4 | 0001193125-26-057469 | Feb 18, 2026 | Feb 17, 2026 |
| 144 | — | 0001930862-26-000002 | Feb 17, 2026 | — |
| SCHEDULE 13G/A | — | 0001346824-26-000033 | Feb 17, 2026 | — |
| SCHEDULE 13G | — | 0000902664-26-001076 | Feb 17, 2026 | — |
| SCHEDULE 13G/A | — | 0001104659-26-016366 | Feb 17, 2026 | — |
| SCHEDULE 13G/A | — | 0001897612-26-000291 | Feb 17, 2026 | — |
| 4 | — | 0001613689-26-000005 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | — | 0001613689-26-000004 | Feb 13, 2026 | Feb 11, 2026 |
| SCHEDULE 13G/A | — | 0000315066-26-000369 | Feb 5, 2026 | — |
| 4 | 4 | 0001193125-26-017002 | Jan 20, 2026 | — |
| 144 | — | 0001950047-26-000558 | Jan 20, 2026 | — |
| 144 | — | 0001789632-26-000008 | Jan 14, 2026 | — |
| 4 | 4 | 0001193125-26-013284 | Jan 14, 2026 | — |
| 144 | — | 0001789632-26-000006 | Jan 13, 2026 | — |
| 4 | 4 | 0001193125-26-012077 | Jan 13, 2026 | — |
| 4 | 4 | 0001193125-26-010889 | Jan 12, 2026 | — |
| 144 | — | 0001789632-26-000003 | Jan 12, 2026 | — |
| 4 | 4 | 0001193125-26-005096 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | 4 | 0001193125-26-005086 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | 4 | 0001193125-26-005085 | Jan 6, 2026 | Jan 2, 2026 |
| S-8 | S-8 | 0001193125-26-000940 | Jan 2, 2026 | — |
| 8-K | 8-K | 0001193125-25-311276 | Dec 8, 2025 | Dec 6, 2025 |
| SCHEDULE 13G/A | — | 0001897612-25-000567 | Dec 5, 2025 | — |
| 4 | 4 | 0001193125-25-284944 | Nov 17, 2025 | — |
| 10-Q | 10-Q | 0001193125-25-266932 | Nov 5, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001193125-25-266866 | Nov 5, 2025 | — |
| SCHEDULE 13G/A | — | 0000315066-25-002665 | Nov 5, 2025 | — |
| 4 | 4 | 0001193125-25-240536 | Oct 15, 2025 | — |
| 144 | — | 0001950047-25-008009 | Oct 15, 2025 | — |
| 4 | 4 | 0001193125-25-232216 | Oct 6, 2025 | Oct 3, 2025 |
| 144 | — | 0001950047-25-007729 | Oct 3, 2025 | — |
| 4 | 4 | 0001193125-25-225538 | Sep 30, 2025 | — |