David B. Blake, SVP, NAIO Operations at CLIFFS NATURAL RESOURCES INC. (CLF), sold 3,000 shares at $23.03 ($69K) on 2013-08-16, disclosed to the SEC on 2013-08-20.
Open-market sale of $69k CLF by SVP, NAIO Operations. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.