Insider Stock Trading History of Potter Robert G


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Potter Robert G since year 2005. The trader's CIK number is 1139402. At the time of this reporting, Potter Robert G is the Director of Arch Coal Inc . (stock ticker symbol ACI). See this page for all insider trading activities at Arch Coal Inc .

Note that in the past POTTER ROBERT G also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Potter Robert G since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2011-08-19 ACI Arch Coal Inc Buy 15,000 17.40 260,999
2008-08-14 SCL Stepan Co Sale 2,837 60.06 170,401
2008-08-14 SCL Stepan Co Option Ex 6,734 25.56 172,094
2008-03-13 SCL Stepan Co Option Ex 1,130 30.97 34,993
2006-07-31 ACI Arch Coal Inc Buy 1,000 37.80 37,800
2006-05-02 SCL Stepan Co Option Ex 582 19.75 11,494

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Potter Robert G (Director of Arch Coal Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.