Errol M. Cook, Director at OMNICOM GROUP INC (OMC), bought 500 shares at $41.17 ($21K) on 2011-08-08, disclosed to the SEC on 2011-08-10.
Open-market purchase of $21k OMC by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.