Sandra E. Peterson, Director at DUN & BRADSTREET CORP/NW (DNB), sold 9,576 shares at $83.56 ($800K) on 2012-09-17, disclosed to the SEC on 2012-09-19.
Seasonal sale ($800k) by Director — this insider has traded DNB in September in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
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