Trade Summary

5 days ago, McMillen Charles Thomas, serving as Dir at Castellum, Inc. (CTM), sold 55,000 shares at $0.80 per share, for a total transaction value of $44,099.00. Following this transaction, McMillen Charles Thomas now holds 261,015 shares of CTM.

This sale represents a 17.00% decrease in McMillen Charles Thomas's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Wednesday, March 18, 2026 and publicly disclosed via SEC Form 4 filing on Friday, March 20, 2026, 2 days after the trade was made.

Castellum, Inc. operates in the TECHNOLOGY sector, specifically within the INFORMATION TECHNOLOGY SERVICES industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.