Track insider transactions across markets
| Position | Company | Period |
|---|---|---|
| Lead Independent Director | Martin Marietta Materials Inc | Jan. 1, 2014 - |
| Independent Director | Martin Marietta Materials Inc | Feb. 1, 2008 - Jan. 1, 2014 |
| Chairman of the Board | Alpha Natural Resources Inc | July 31, 2009 - May 17, 2012 |
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