Paul A. Lang, Senior VP - Operations at ARCH COAL INC (ACI), bought 1,000 shares at $19.12 ($19K) on 2011-09-13, disclosed to the SEC on 2011-09-13.
High-signal trade — passes our conviction filters but the AI narrative is still being generated. Check back shortly.
Something here stands out, but not much.
| Filing → |
| ARCH | SELL | 2017-03-07 | $172K | — | Filing → |
| ACI | BUY | 2011-12-20 | $14K | — | Filing → |
| ACI | SELL | 2008-02-11 | $587K | — | Filing → |