Tammy L. Martin, General Counsel and Secretary at Castellum, Inc. (CTM), bought 1,396 shares at $0.54 ($747) on 2026-10-01, disclosed to the SEC on 2026-10-01.
Open-market purchase of $747 CTM by General Counsel and Secretary. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.