Castellum, Inc. SEC filings CTM
Castellum, Inc. has 310 filings in SEC EDGAR's recent list, going back to Oct 19, 2021. Its latest annual report, Form 10-K, was filed on Mar 9, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 1, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Sep 9, 2026 | Sep 9, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Mar 31, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Mar 31, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Mar 31, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Mar 27, 2026 | Mar 25, 2026 |
| 4 | Insider transaction | Mar 27, 2026 | Mar 27, 2026 |
| 4 | Insider transaction | Mar 27, 2026 | Mar 27, 2026 |
| 4 | Insider transaction | Mar 26, 2026 | Mar 26, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 18, 2026 |
| 144 | Notice of proposed sale | Mar 17, 2026 | — |
| 3 | Initial insider ownership | Jan 2, 2026 | Jan 1, 2026 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 19, 2025 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 10, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 14, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 11, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 11, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 11, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 11, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 11, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 11, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 11, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 11, 2025 |
| 144 | Notice of proposed sale | Nov 10, 2025 | — |
| 4 | Insider transaction | Sep 17, 2025 | Sep 15, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 9, 2025 | Sep 5, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Sep 3, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 27, 2025 |
| 4 | Insider transaction | Aug 26, 2025 | Aug 22, 2025 |
| 4 | Insider transaction | Aug 21, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 18, 2025 |
| 144 | Notice of proposed sale | Aug 18, 2025 | — |
| 144 | Notice of proposed sale | Aug 18, 2025 | — |
| 4 | Insider transaction | May 20, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 20, 2025 | May 19, 2025 |
| 144 | Notice of proposed sale | May 19, 2025 | — |
| 4 | Insider transaction | Mar 7, 2025 | Mar 5, 2025 |
| 4 | Insider transaction | Mar 6, 2025 | Mar 5, 2025 |
| 144 | Notice of proposed sale | Mar 4, 2025 | — |
| 144 | Notice of proposed sale | Mar 4, 2025 | — |
| 5 | Annual insider ownership | Feb 14, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Sep 5, 2024 | Sep 4, 2024 |
| 3 | Initial insider ownership | Sep 4, 2024 | Sep 1, 2024 |
| 4 | Insider transaction | Sep 4, 2024 | Sep 3, 2024 |
| 4 | Insider transaction | Aug 30, 2024 | Aug 29, 2024 |
| 4 | Insider transaction | Aug 29, 2024 | Aug 28, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 14, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 1, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 1, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 1, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 1, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 1, 2024 |
| 4 | Insider transaction | Jun 24, 2024 | Jun 20, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 23, 2024 |
| 3/A | Filing | Aug 24, 2023 | Oct 12, 2022 |
| 4 | Insider transaction | Jun 14, 2023 | Jun 13, 2023 |
| 4 | Insider transaction | Apr 3, 2023 | Apr 1, 2023 |
| 4 | Insider transaction | Apr 3, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | Apr 3, 2023 | Apr 1, 2023 |
| 4 | Insider transaction | Mar 31, 2023 | Mar 29, 2023 |
| 4 | Insider transaction | Mar 30, 2023 | Mar 28, 2023 |
| 4 | Insider transaction | Mar 27, 2023 | Mar 24, 2023 |
| 4 | Insider transaction | Mar 24, 2023 | Mar 22, 2023 |
| 4 | Insider transaction | Mar 24, 2023 | Mar 22, 2023 |
| 4 | Insider transaction | Mar 23, 2023 | Mar 21, 2023 |
| 4 | Insider transaction | Mar 23, 2023 | Mar 21, 2023 |
| 4 | Insider transaction | Mar 23, 2023 | Mar 21, 2023 |
| 4 | Insider transaction | Mar 23, 2023 | Mar 22, 2023 |
| 4 | Insider transaction | Mar 23, 2023 | Mar 21, 2023 |
| 4 | Insider transaction | Mar 23, 2023 | Mar 21, 2023 |
| 4 | Insider transaction | Mar 20, 2023 | Mar 17, 2023 |
| 4 | Insider transaction | Mar 16, 2023 | Mar 15, 2023 |
| 4 | Insider transaction | Mar 15, 2023 | Mar 14, 2023 |
| 4 | Insider transaction | Mar 13, 2023 | Mar 10, 2023 |
| 4 | Insider transaction | Mar 6, 2023 | Mar 3, 2023 |
| SC 13G | Ownership over 5% (passive) | Feb 23, 2023 | — |
| 4 | Insider transaction | Feb 10, 2023 | Feb 10, 2023 |
| 4 | Insider transaction | Dec 21, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Dec 9, 2022 | Dec 2, 2022 |
| 4 | Insider transaction | Dec 8, 2022 | Dec 6, 2022 |
| 4 | Insider transaction | Dec 6, 2022 | Dec 2, 2022 |
| 4 | Insider transaction | Dec 6, 2022 | Dec 5, 2022 |
| 4 | Insider transaction | Dec 6, 2022 | Dec 2, 2022 |
| 4 | Insider transaction | Dec 5, 2022 | Dec 1, 2022 |
| 4 | Insider transaction | Dec 5, 2022 | Dec 2, 2022 |
| 4/A | Filing | Dec 2, 2022 | Nov 29, 2022 |
| 4/A | Filing | Dec 2, 2022 | Nov 29, 2022 |
| 4/A | Filing | Dec 2, 2022 | Nov 30, 2022 |
| 4/A | Filing | Dec 2, 2022 | Nov 28, 2022 |
| 4/A | Filing | Dec 2, 2022 | Nov 16, 2022 |
| 4/A | Filing | Dec 2, 2022 | Nov 25, 2022 |
| 4/A | Filing | Dec 2, 2022 | Nov 28, 2022 |
| 4/A | Filing | Dec 2, 2022 | Nov 30, 2022 |
| 4/A | Filing | Dec 2, 2022 | Nov 28, 2022 |
| 4/A | Filing | Dec 2, 2022 | Dec 1, 2022 |
| 4 | Insider transaction | Dec 2, 2022 | Dec 1, 2022 |
| 4 | Insider transaction | Dec 2, 2022 | Nov 30, 2022 |
| 4 | Insider transaction | Dec 1, 2022 | Nov 29, 2022 |
| 4 | Insider transaction | Dec 1, 2022 | Nov 30, 2022 |
| 4 | Insider transaction | Nov 30, 2022 | Nov 29, 2022 |
| 4 | Insider transaction | Nov 30, 2022 | Nov 28, 2022 |
| 4 | Insider transaction | Nov 29, 2022 | Nov 28, 2022 |
| 4 | Insider transaction | Nov 29, 2022 | Nov 28, 2022 |
| 4 | Insider transaction | Nov 25, 2022 | Nov 25, 2022 |
| 4 | Insider transaction | Nov 17, 2022 | Nov 16, 2022 |
| SC 13D | Ownership over 5% (active) | Oct 24, 2022 | — |
| SC 13D | Ownership over 5% (active) | Oct 24, 2022 | — |
| 4 | Insider transaction | Oct 20, 2022 | Oct 17, 2022 |
| 4 | Insider transaction | Oct 20, 2022 | Oct 17, 2022 |
| 4 | Insider transaction | Oct 20, 2022 | Oct 17, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 12, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 12, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 12, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 12, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 12, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 12, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 12, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 12, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 12, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 12, 2022 |
| 3 | Initial insider ownership | Oct 12, 2022 | Oct 12, 2022 |
Showing 135 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Services-Management Consulting Services (SIC 8742)
- Listed as
- CTM (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- NV
- Headquarters
- Vienna, VA
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1877939
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.