Mark Alan Mason, Chief Operating Officer at Guerrilla RF, Inc. (GUER), bought 225 shares at $4.52 ($1K) on 2023-05-30, disclosed to the SEC on 2023-06-01.
Open-market purchase of $1k GUER by Chief Operating 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.