Castellum, Inc. — Investor Relations & Filings
Filings indexed
279
across all filing types
Latest filing
2026-05-20
Regulatory Filings
Country
US
United States of America
Listing
US
CTM
Castellum, Inc. is a technology company providing services to U.S. government and commercial clients to address national security challenges. Its core offerings include cybersecurity, software development, systems engineering, information and electronic warfare, program support, and data analytics. The company also provides subject matter expertise in artificial intelligence, machine learning, 5G technologies, model-based systems engineering, program management, and intelligence analysis. A key component of Castellum's growth strategy involves the strategic acquisition of technology firms to expand its capabilities and market presence in the national security sector.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 8-K | 2026-05-20 | English | |
| 8-K | 2026-05-18 | English | |
| 8-K - Castellum, Inc. (0001877939) (Filer) | 2026-05-13 | English | |
| DEF 14A - Castellum, Inc. (0001877939) (Filer) | 2026-04-07 | English | |
| 4 - Castellum, Inc. (0001877939) (Issuer) | 2026-03-27 | English | |
| 4 - Castellum, Inc. (0001877939) (Issuer) | 2026-03-26 | English |
Browse filings by year
6 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
12 filings
| |||||
| 46691021 | 8-K | 2026-05-20 | English | ||
| 46384063 | 8-K | 2026-05-18 | English | ||
| 45542787 | 8-K - Castellum, Inc. (0001877939) (Filer) | 2026-05-13 | English | ||
| 33743084 | DEF 14A - Castellum, Inc. (0001877939) (Filer) | 2026-04-07 | English | ||
| 33065823 | 4 - Castellum, Inc. (0001877939) (Issuer) | 2026-03-27 | English | ||
| 33052078 | 4 - Castellum, Inc. (0001877939) (Issuer) | 2026-03-26 | English | ||
| 33001932 | 4 - Castellum, Inc. (0001877939) (Issuer) | 2026-03-20 | English | ||
| 32979564 | 4 - Castellum, Inc. (0001877939) (Issuer) | 2026-03-18 | English | ||
| 32155089 | 8-K Filing | 2026-02-17 | English | ||
| 13509965 | 8-K | 2026-01-08 | English | ||
| 13509968 | FORM 3 | 2026-01-02 | English | ||
| 13509966 | 8-K | 2026-01-02 | English | ||
|
2025
3 filings
| |||||
| 13509962 | FORM 4 | 2025-12-22 | English | ||
| 13509963 | FORM 4 | 2025-12-17 | English | ||
| 13509964 | FORM 4 | 2025-12-12 | English | ||
Market data
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Castellum, Inc. via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/34160/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=34160 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=34160 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
Full reference: API reference · OpenAPI schema
cURL
$ curl https://api.financialreports.eu/api/filings/?company=34160 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 34160}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for Castellum, Inc. (id: 34160)"
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