---
schema_version: "secwatch.filing_event.v1"
accession: "0001877939-25-000087"
form_type: "8-K"
ticker: "CTM"
cik: "0001877939"
company_name: "Castellum, Inc."
filed_at: "2025-08-15T23:59:59+00:00"
generated_at: "2026-05-17T12:32:50.917647+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Castellum investors exercise 3.67M warrants, raising ~$4.5M at $1.22/share

## Summary
- 3,673,666 warrants exercised from June 2025 unit offering, generating $4,481,873 in gross proceeds.
- Each warrant had exercise price of $1.22 and expired August 12, 2025.
- Proceeds strengthen balance sheet; company plans to invest in growth initiatives for 2025/2026.
- Maxim Group LLC receives 3.5% cash fee (~$156,866) on warrant exercise proceeds.

## SEC filing metadata
- accession: 0001877939-25-000087
- form_type: 8-K
- ticker: CTM
- cik: 0001877939
- company_name: Castellum, Inc.
- filed_at: 2025-08-15T23:59:59+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/1877939/000187793925000087/0001877939-25-000087-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000087/ctm-20250814.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001877939-25-000087
- JSON: https://secwatch.observer/filing/0001877939-25-000087.json
- Plain text: https://secwatch.observer/filing/0001877939-25-000087.txt

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