Marian M. Davenport, Director at STERLING CONSTRUCTION CO INC (STRL), sold 8,000 shares at $12.81 ($102K) on 2018-05-22, disclosed to the SEC on 2018-05-23.
Seasonal sale ($102k) by Director — this insider has traded STRL in May in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.