Castellum, Inc. - CTM
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: 22
Latest filed: May 20, 2026
| Form | Count |
|---|---|
| 4 | 12 |
| 8-K | 9 |
| 144 | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| May 20, 2026 | 8-K | May 19, 2026 | 0001877939-26-000044 | View |
| May 18, 2026 | 8-K | May 18, 2026 | 0001877939-26-000040 | View |
| May 13, 2026 | 8-K | May 08, 2026 | 0001877939-26-000036 | View |
| Apr 23, 2026 | 8-K | Apr 23, 2026 | 0001877939-26-000028 | View |
| Mar 31, 2026 | 4 | Mar 31, 2026 | 0001329293-26-000002 | View |
| Mar 31, 2026 | 4 | Mar 31, 2026 | 0002036177-26-000004 | View |
| Mar 31, 2026 | 4 | Mar 31, 2026 | 0001944338-26-000002 | View |
| Mar 27, 2026 | 4 | Mar 25, 2026 | 0001332108-26-000006 | View |
| Mar 27, 2026 | 4 | Mar 27, 2026 | 0001947023-26-000003 | View |
| Mar 27, 2026 | 4 | Mar 27, 2026 | 0002036177-26-000002 | View |
| Mar 26, 2026 | 4 | Mar 26, 2026 | 0001877939-26-000021 | View |
| Mar 20, 2026 | 4 | Mar 18, 2026 | 0001877939-26-000020 | View |
| Mar 18, 2026 | 4 | Mar 18, 2026 | 0001877939-26-000018 | View |
| Mar 17, 2026 | 144 | — | 0001965301-26-000038 | View |
| Mar 05, 2026 | 8-K | Mar 04, 2026 | 0001877939-26-000012 | View |
| Feb 17, 2026 | 8-K | Feb 17, 2026 | 0001877939-26-000009 | View |
| Jan 08, 2026 | 8-K | Jan 07, 2026 | 0001877939-26-000007 | View |
| Jan 02, 2026 | 8-K | Jan 01, 2026 | 0001877939-26-000004 | View |
| Dec 22, 2025 | 4 | Dec 19, 2025 | 0001310272-25-000026 | View |
| Dec 17, 2025 | 4 | Dec 15, 2025 | 0001877939-25-000127 | View |
| Dec 12, 2025 | 4 | Dec 10, 2025 | 0001310272-25-000023 | View |
| Dec 09, 2025 | 8-K | Dec 08, 2025 | 0001877939-25-000126 | View |