---
schema_version: "secwatch.filing_event.v1"
accession: "0001877939-25-000126"
form_type: "8-K"
ticker: "CTM"
cik: "0001877939"
company_name: "Castellum, Inc."
filed_at: "2025-12-09T23:59:59+00:00"
generated_at: "2026-05-16T13:50:21.869819+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Castellum GC Jay Wright departs; wins MDA SHIELD IDIQ contracts

## Summary
- Jay O. Wright resigns as EVP Strategy, General Counsel, Secretary, and Board member effective Dec 31, 2025; no dispute.
- Tammy L. Martin, Senior Counsel, appointed General Counsel and Secretary effective Jan 1, 2026.
- Castellum subsidiaries and JVs awarded multiple MDA SHIELD IDIQ contracts for missile defense services.
- Contracts support AI-enabled multi-domain solutions; no specific dollar amount disclosed.

## SEC filing metadata
- accession: 0001877939-25-000126
- form_type: 8-K
- ticker: CTM
- cik: 0001877939
- company_name: Castellum, Inc.
- filed_at: 2025-12-09T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000126/0001877939-25-000126-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000126/ctm-20251208.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001877939-25-000126
- JSON: https://secwatch.observer/filing/0001877939-25-000126.json
- Plain text: https://secwatch.observer/filing/0001877939-25-000126.txt

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