---
schema_version: "secwatch.filing_event.v1"
accession: "0001877939-25-000004"
form_type: "8-K"
ticker: "CTM"
cik: "0001877939"
company_name: "Castellum, Inc."
filed_at: "2025-01-08T23:59:59+00:00"
generated_at: "2026-05-28T07:09:05.930521+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Castellum successfully onboarded two SBA protégés to SeaPort-NxG contract

## Summary
- Epic Systems and Krilla Kaleiwahea onboarded to Navy's SeaPort-NxG via rolling admissions.
- Castellum subsidiaries hold SBA mentor-protégé alliances with both companies.
- Onboarding enables teaming for 8(a), WOSB, and NHO set-aside opportunities on SeaPort-NxG.
- Combined with recent OASIS+ win, Castellum expects stronger near-term growth.

## SEC filing metadata
- accession: 0001877939-25-000004
- form_type: 8-K
- ticker: CTM
- cik: 0001877939
- company_name: Castellum, Inc.
- filed_at: 2025-01-08T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000004/0001877939-25-000004-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000004/ctm-20250108.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001877939-25-000004
- JSON: https://secwatch.observer/filing/0001877939-25-000004.json
- Plain text: https://secwatch.observer/filing/0001877939-25-000004.txt

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