Richard Todd Wood, Insider at BIOPURE CORP (BPUR), sold 1,140 shares at $0.64 ($730) on 2007-11-21, disclosed to the SEC on 2007-11-26.
Open-market sale of $730 BPUR by Insider. 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.