Thomas R. Cech, Director at Merck & Co. Inc. (MRK), sold 500 shares at $45.13 ($23K) on 2013-10-31, disclosed to the SEC on 2013-11-01.
Open-market sale of $23k MRK 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.