Castellum, Inc. SEC filings CTM
Castellum, Inc. has 312 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 Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 6, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEFA14A | Additional proxy material | Apr 7, 2026 | — |
| DEF 14A | Proxy statement | Apr 7, 2026 | Apr 7, 2026 |
| DEFA14A | Additional proxy material | Apr 11, 2025 | — |
| DEF 14A | Proxy statement | Apr 11, 2025 | May 28, 2025 |
| DEFA14A | Additional proxy material | Apr 16, 2024 | — |
| DEF 14A | Proxy statement | Apr 16, 2024 | May 29, 2024 |
| DEF 14C | Information statement | Feb 27, 2024 | Feb 27, 2024 |
| PRE 14C | Filing | Feb 16, 2024 | Feb 16, 2024 |
| DEFA14A | Additional proxy material | Apr 10, 2023 | — |
| DEF 14A | Proxy statement | Apr 10, 2023 | May 25, 2023 |
Showing 10 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
- Non-accelerated filer, Smaller reporting company, Emerging growth company
- SEC CIK
- 1877939
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.