POTTER ROBERT G 4
4 · ARCH COAL INC · Filed Aug 19, 2011
Insider Transaction Report
Form 4
POTTER ROBERT G
Director
Transactions
- Purchase
Common Stock
2011-08-19$17.40/sh+15,000$261,000→ 36,000 total
4 · ARCH COAL INC · Filed Aug 19, 2011
Common Stock