William L. Marks, Director at ADTRAN INC (ADTN), bought 800 shares at $23.51 ($19K) on 2007-10-22, disclosed to the SEC on 2007-10-23.
Open-market purchase of $19k ADTN 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.
| Filing → |
| ADTN | BUY | 2012-07-25 | $189K | — | Filing → |
| ADTN | BUY | 2012-07-16 | $189K | — | Filing → |
| ADTN | SELL | 2010-08-09 | $311K | — | Filing → |