Peter Gerhardsson, VP, Int'l Business Development at DEXCOM INC (DXCM), bought 2,400 shares at $11.85 ($28K) on 2010-11-16, disclosed to the SEC on 2010-11-18.
Open-market purchase of $28k DXCM by VP, Int'l Business Development. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Clearly above the average filing.