Michael Joseph Walsh, Director at Great Lakes Dredge & Dock CORP (GLDD), bought 2,000 shares at $4.70 ($9K) on 2017-11-10, disclosed to the SEC on 2017-11-14.
Open-market purchase of $9k GLDD 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.