---
schema_version: "secwatch.filing_event.v1"
accession: "0001877939-25-000083"
form_type: "8-K"
ticker: "CTM"
cik: "0001877939"
company_name: "Castellum, Inc."
filed_at: "2025-08-08T23:59:59+00:00"
generated_at: "2026-05-17T16:48:29.176807+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Castellum Q2 revenue $14M record, operating loss narrows to $0.4M, debt down $3.7M

## Summary
- Record Q2 revenue of $14.0M, up 21.7% YoY and 19.7% sequentially.
- Operating loss narrowed to $(0.4)M from $(6.0)M in Q2 2024 and $(1.1)M in Q1 2025.
- Adjusted EBITDA of $0.5M, excluding non-cash and one-time charges.
- Debt reduced by $3.7M during quarter; ending cash at record $14.7M.

## SEC filing metadata
- accession: 0001877939-25-000083
- form_type: 8-K
- ticker: CTM
- cik: 0001877939
- company_name: Castellum, Inc.
- filed_at: 2025-08-08T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000083/0001877939-25-000083-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000083/ctm-20250808.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001877939-25-000083
- JSON: https://secwatch.observer/filing/0001877939-25-000083.json
- Plain text: https://secwatch.observer/filing/0001877939-25-000083.txt

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