Robert J. Flanagan, Director at MARTEK BIOSCIENCES CORP (MATK), bought 2,500 shares at $20.84 ($52K) on 2006-09-11, disclosed to the SEC on 2006-09-11.
Open-market purchase of $52k MATK 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.
| Filing → |
| SGNT | SELL | 2014-10-08 | $505K | — | Filing → |
| SGNT | SELL | 2014-09-25 | $480K | — | Filing → |
| SGNT | SELL | 2014-09-12 | $453K | — | Filing → |