Jon Leland Stern, Chief Executive Officer at CohBar, Inc. (CWBR), bought 5,000 shares at $0.98 ($5K) on 2015-05-20, disclosed to the SEC on 2015-05-22.
Open-market purchase of $5k CWBR by Chief Executive Officer. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.