---
schema_version: "secwatch.filing_event.v1"
accession: "0001877939-25-000062"
form_type: "8-K"
ticker: "CTM"
cik: "0001877939"
company_name: "Castellum, Inc."
filed_at: "2025-06-13T23:59:59+00:00"
generated_at: "2026-05-19T09:14:27.985679+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Castellum prices $5M public offering of units at $1.20/unit, warrants at $1.22

## Summary
- Gross proceeds ~$5M from sale of 4,166,667 units at $1.20/unit.
- Each unit consists of one share and one warrant exercisable at $1.22, expiring in 60 days.
- Net proceeds intended for working capital and general corporate purposes.
- Maxim Group LLC acting as sole placement agent on a reasonable best-efforts basis.
- Offering closed June 13, 2025; registered under effective shelf S-3 (333-284205).

## SEC filing metadata
- accession: 0001877939-25-000062
- form_type: 8-K
- ticker: CTM
- cik: 0001877939
- company_name: Castellum, Inc.
- filed_at: 2025-06-13T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000062/0001877939-25-000062-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000062/ctm-20250612.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001877939-25-000062
- JSON: https://secwatch.observer/filing/0001877939-25-000062.json
- Plain text: https://secwatch.observer/filing/0001877939-25-000062.txt

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