Michael John-Williams, Chief Financial Officer at Guerrilla RF, Inc. (GUER), bought 2,000 shares at $2.82 ($6K) on 2026-05-13, disclosed to the SEC on 2026-05-15.
Open-market purchase of $6k GUER by Chief Financial Officer. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Something here stands out, but not much.