Bob W. White, Director at NOVA BIOSOURCE FUELS, INC. (NBF), bought 30,000 shares at $3.00 ($90K) on 2007-05-17, disclosed to the SEC on 2007-05-18.
Open-market purchase of $90k NBF by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.