John H. Mahar, Director at MARTEK BIOSCIENCES CORP (MATK), sold 5,000 shares at $28.68 ($143K) on 2006-06-21, disclosed to the SEC on 2006-06-21.
Open-market sale of $143k MATK 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.