| 20 Jun 2012 | OTHER | Willbros Group, Inc.\NEW\ | 13,636 | 0.00 USD | |
| 24 May 2012 | GRANT_AWARD | Willbros Group, Inc.\NEW\ | 13,636 | 0.00 USD | |
| 24 May 2011 | GRANT_AWARD | Willbros Group, Inc.\NEW\ | 8,371 | 0.00 USD | |
| 01 Jan 2010 | GRANT_AWARD | Willbros Group, Inc.\NEW\ | 1,515 | 16.87 USD | |
| 29 Oct 2009 | GRANT_AWARD | Willbros Group, Inc.\NEW\ | 1,678 | 15.23 USD | |
| 23 Jun 2008 | GRANT_AWARD | Willbros Group, Inc.\NEW\ | 25,000 | 0.00 USD | |
| 12 Mar 2009 | GRANT_AWARD | WILLBROS GROUP INC | 10,000 | 0.00 USD | |
| 12 Mar 2009 | GRANT_AWARD | Willbros Group, Inc.\NEW\ | 10,000 | 0.00 USD | |
| 14 Nov 2008 | PURCHASE | WILLBROS GROUP INC | 115,000 | 8.64 USD | |
| 07 Oct 2008 | PURCHASE | WILLBROS GROUP INC | 30,200 | 16.31 USD | |
| 07 Oct 2008 | PURCHASE | WILLBROS GROUP INC | 29,800 | 15.49 USD | |
| 06 Oct 2008 | PURCHASE | WILLBROS GROUP INC | 61,000 | 16.34 USD | |