Frederick O. Cope, SVP at NAVIDEA BIOPHARMACEUTICALS, INC. (NAVB), bought 3,500 shares at $1.43 ($5K) on 2013-11-08, disclosed to the SEC on 2013-11-08.
Open-market purchase of $5k NAVB by SVP. 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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