Richard H. Lewis, Director at MDU RESOURCES GROUP INC (MDU), sold 3,000 shares at $21.68 ($65K) on 2012-08-30, disclosed to the SEC on 2012-08-31.
Open-market sale of $65k MDU by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.