Guido J. Neels, Director at BIOPURE CORP (BPUR), bought 10,000 shares at $0.79 ($8K) on 2007-11-01, disclosed to the SEC on 2007-11-06.
Open-market purchase of $8k BPUR by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Something here stands out, but not much.
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