Michael O'Neill, Chief Financial Officer at Alphatec Holdings, Inc. (ATEC), bought 13,488 shares at $0.73 ($10K) on 2015-08-10, disclosed to the SEC on 2015-08-11.
Open-market purchase of $10k ATEC 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.