---
schema_version: "secwatch.filing_event.v1"
accession: "0001877939-25-000075"
form_type: "8-K"
ticker: "CTM"
cik: "0001877939"
company_name: "Castellum, Inc."
filed_at: "2025-07-14T23:59:59+00:00"
generated_at: "2026-05-18T06:45:30.311147+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Castellum CEO letter highlights $103.3M contract win, debt reduction to under $5M

## Summary
- Won largest prime contract in CTM history: $103.3M, 5.5-year Special Missions support for NAVAIR PMA 290.
- Raised over $16M via public offerings and warrant exercises; long-term debt reduced to less than $5M.
- Established two mentor-protégé JVs with woman-owned and native Hawaiian organizations; new advanced tech subsidiary.
- CEO reports improved CPARS, increased proposal volume/quality, and a strengthened leadership team.

## SEC filing metadata
- accession: 0001877939-25-000075
- form_type: 8-K
- ticker: CTM
- cik: 0001877939
- company_name: Castellum, Inc.
- filed_at: 2025-07-14T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000075/0001877939-25-000075-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000075/ctm-20250714.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001877939-25-000075
- JSON: https://secwatch.observer/filing/0001877939-25-000075.json
- Plain text: https://secwatch.observer/filing/0001877939-25-000075.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.
