Robert Joseph Cobuzzi Jr., President & CEO at Diffusion Pharmaceuticals Inc. (DFFN), bought 14,000 shares at $0.66 ($9K) on 2020-11-16, disclosed to the SEC on 2020-11-18.
Open-market purchase of $9k DFFN by President & CEO. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.