John P. Stumpf, VP - Strategic Planning at MDU RESOURCES GROUP INC (MDU), bought 187 shares at $26.61 ($5K) on 2007-08-28, disclosed to the SEC on 2007-08-29.
Open-market purchase of $5k MDU by VP - Strategic Planning. 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.