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
3
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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S-1
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SCHEDULE 13G
SCHEDULE 13G/A
SEC STAFF LETTER
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | 4 | 0001193125-25-223675 | Sep 29, 2025 | — |
| 4 | 4 | 0001193125-25-220970 | Sep 26, 2025 | — |
| 4 | — | 0001789632-25-000005 | Sep 19, 2025 | Sep 18, 2025 |
| 144 | — | 0001950047-25-007331 | Sep 18, 2025 | — |
| SCHEDULE 13G | — | 0001897612-25-000394 | Sep 8, 2025 | — |
| 4 | — | 0001415889-25-023300 | Aug 29, 2025 | Aug 28, 2025 |
| SCHEDULE 13D/A | — | 0001072613-25-000617 | Aug 14, 2025 | — |
| SCHEDULE 13G/A | — | 0000950170-25-108913 | Aug 14, 2025 | — |
| 4 | 4 | 0000950170-25-109112 | Aug 14, 2025 | Aug 12, 2025 |
| 8-K | 8-K | 0000950170-25-105015 | Aug 7, 2025 | — |
| 10-Q | 10-Q | 0000950170-25-105064 | Aug 7, 2025 | Jun 30, 2025 |
| 4 | 4 | 0000950170-25-084944 | Jun 11, 2025 | Jun 10, 2025 |
| 144 | — | 0001950047-25-004099 | Jun 10, 2025 | — |
| 4 | — | 0001415889-25-014994 | May 30, 2025 | May 29, 2025 |
| 4 | 4 | 0000950170-25-079776 | May 30, 2025 | May 29, 2025 |
| 4 | — | 0001415889-25-014980 | May 30, 2025 | May 29, 2025 |
| 4 | — | 0001415889-25-014986 | May 30, 2025 | May 29, 2025 |
| 4 | 4 | 0000950170-25-079730 | May 30, 2025 | May 29, 2025 |
| 4 | — | 0001415889-25-014989 | May 30, 2025 | May 29, 2025 |
| 4 | — | 0001415889-25-014992 | May 30, 2025 | May 29, 2025 |
| 4 | 4 | 0000950170-25-078529 | May 28, 2025 | May 23, 2025 |
| 8-K | 8-K | 0001193125-25-129522 | May 28, 2025 | — |
| 144 | — | 0001590563-25-000004 | May 27, 2025 | — |
| 4 | 4 | 0000950170-25-075492 | May 20, 2025 | — |
| SCHEDULE 13G/A | — | 0000950170-25-072733 | May 15, 2025 | — |
| 8-K | 8-K | 0001193125-25-119506 | May 14, 2025 | — |
| SCHEDULE 13D/A | — | 0001072613-25-000357 | May 12, 2025 | — |
| SCHEDULE 13G/A | — | 0000315066-25-001426 | May 12, 2025 | — |
| 10-Q | 10-Q | 0000950170-25-067100 | May 8, 2025 | Mar 31, 2025 |
| 8-K | 8-K | 0001193125-25-116023 | May 8, 2025 | — |
| SCHEDULE 13G/A | — | 0000932471-25-000442 | Apr 30, 2025 | — |
| 144 | — | 0001972362-25-000365 | Apr 29, 2025 | — |
| 4 | — | 0001415889-25-011532 | Apr 29, 2025 | — |
| SCHEDULE 13G/A | — | 0001576419-25-000557 | Apr 17, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-25-084364 | Apr 17, 2025 | — |
| ARS | ARS | 0001193125-25-084368 | Apr 17, 2025 | Dec 31, 2024 |
| DEF 14A | DEF 14A | 0001193125-25-084363 | Apr 17, 2025 | May 28, 2025 |
| 4 | — | 0001415889-25-010422 | Apr 8, 2025 | — |
| 3 | — | 0001415889-25-008691 | Mar 20, 2025 | Mar 18, 2025 |
| 8-K | 8-K | 0001193125-25-058978 | Mar 20, 2025 | Mar 17, 2025 |
| 4 | — | 0001415889-25-008692 | Mar 20, 2025 | Mar 18, 2025 |
| 4 | — | 0001415889-25-008694 | Mar 20, 2025 | Mar 18, 2025 |
| 3 | — | 0001415889-25-008690 | Mar 20, 2025 | Mar 18, 2025 |
| 4 | — | 0001415889-25-008515 | Mar 18, 2025 | — |
| SCHEDULE 13D/A | — | 0000950170-25-029092 | Feb 27, 2025 | — |
| 4 | — | 0001415889-25-005842 | Feb 27, 2025 | — |
| 8-K | 8-K | 0001193125-25-039316 | Feb 27, 2025 | — |
| 10-K | 10-K | 0000950170-25-029150 | Feb 27, 2025 | Dec 31, 2024 |
| 144 | — | 0001786205-25-000016 | Feb 26, 2025 | — |
| 4 | — | 0001415889-25-005794 | Feb 26, 2025 | — |