---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-24-002401"
form_type: "8-K"
ticker: "CTM"
cik: "0001877939"
company_name: "Castellum, Inc."
filed_at: "2024-01-29T23:59:59+00:00"
generated_at: "2026-06-06T16:08:09.615941+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Castellum raises $2.7M in registered direct offering plus warrants at $0.32/share

## Summary
- Gross proceeds ~$2.7M from sale of 8,437,501 shares/pre-funded warrants at $0.32 each.
- Concurrent private placement: warrants to buy 8,437,501 shares at $0.35/share, exercisable upon shareholder approval, expire 5 years.
- Maxim Group LLC acting as sole placement agent; closing expected Jan 29, 2024.
- Shares/pre-funded warrants offered via effective shelf registration S-3 (No. 333-275840); warrants unregistered.
- 60-day lock-up for company and certain officers/directors; 1-year ban on variable-rate transactions.

## SEC filing metadata
- accession: 0001628280-24-002401
- form_type: 8-K
- ticker: CTM
- cik: 0001877939
- company_name: Castellum, Inc.
- filed_at: 2024-01-29T23:59:59+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/1877939/000162828024002401/0001628280-24-002401-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1877939/000162828024002401/ctm-20240125.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-24-002401
- JSON: https://secwatch.observer/filing/0001628280-24-002401.json
- Plain text: https://secwatch.observer/filing/0001628280-24-002401.txt

## Key facts
- Material Agreements
  Castellum, Inc. entered into Purchase Agreement with the institutional investor (the Purchaser) valued at approximately $2.7 million (effective 2024-01-25).
  - Action: entry
  - Agreement: equity purchase
  - Counterparty: the institutional investor (the Purchaser)
  - Value: approximately $2.7 million
  - Effective: 2024-01-25
  source text: On January 25, 2024, Castellum, Inc. (the “Company”), entered into a securities purchase agreement (the “Purchase Agreement”) with the institutional investor named on the signature page thereto (the “Purchaser”),
  evidence_url: https://www.sec.gov/Archives/edgar/data/1877939/000162828024002401/0001628280-24-002401-index.htm
- Material Agreements
  Castellum, Inc. entered into Placement Agency Agreement with Maxim Group LLC (effective 2024-01-25).
  - Action: entry
  - Agreement: underwriting
  - Counterparty: Maxim Group LLC
  - Effective: 2024-01-25
  source text: Pursuant to a placement agency agreement dated as of January 25, 2024 (the “Placement Agency Agreement”), the Company engaged Maxim Group LLC (“Maxim”) to act as the lead placement agent in connection with the offering.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1877939/000162828024002401/0001628280-24-002401-index.htm

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