---
schema_version: "secwatch.filing_event.v1"
accession: "0001877939-25-000085"
form_type: "8-K"
ticker: "CTM"
cik: "0001877939"
company_name: "Castellum, Inc."
filed_at: "2025-08-12T23:59:59+00:00"
generated_at: "2026-05-17T14:53:20.444634+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "medium"
source: SEC EDGAR
---

# Castellum announces reseller agreement with Quarrio for agentic AI in government

## Summary
- Castellum entered a reseller agreement with Quarrio Corporation for Quarrio's TrustworthyAI platform, targeting U.S. federal government customers.
- Quarrio CEO KG Charles-Harris emphasized the platform's accuracy, consistency, verifiability, and security for government processes.
- Castellum CEO Glen Ives said Quarrio's agentic AI will enhance decision-making and fit into Castellum's new advanced technology products subsidiary.
- The agreement covers information retrieval, KPI monitoring, and automation of actions, with no financial terms disclosed.

## SEC filing metadata
- accession: 0001877939-25-000085
- form_type: 8-K
- ticker: CTM
- cik: 0001877939
- company_name: Castellum, Inc.
- filed_at: 2025-08-12T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: medium
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000085/0001877939-25-000085-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000085/ctm-20250812.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001877939-25-000085
- JSON: https://secwatch.observer/filing/0001877939-25-000085.json
- Plain text: https://secwatch.observer/filing/0001877939-25-000085.txt

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