| 12 juil. 2016 | OTHER | IHS Inc. | 29 340 | — | |
| 01 déc. 2015 | GRANT_AWARD | IHS Inc. | 1 351 | 0.00 USD | |
| 01 déc. 2015 | GRANT_AWARD | IHS Inc. | 1 452 | 0.00 USD | |
| 01 déc. 2014 | GRANT_AWARD | IHS Inc. | 1 354 | 0.00 USD | |
| 01 déc. 2014 | GRANT_AWARD | IHS Inc. | 1 455 | 0.00 USD | |
| 01 déc. 2013 | GRANT_AWARD | IHS Inc. | 1 304 | 0.00 USD | |
| 01 déc. 2013 | GRANT_AWARD | IHS Inc. | 1 130 | 0.00 USD | |
| 01 déc. 2012 | GRANT_AWARD | IHS Inc. | 1 405 | 0.00 USD | |
| 01 déc. 2012 | GRANT_AWARD | IHS Inc. | 1 621 | 0.00 USD | |
| 17 mai 2012 | OTHER | Archipelago Learning, Inc. | 2 508 | 11.10 USD | |
| 17 mai 2012 | OTHER | Archipelago Learning, Inc. | 12 823 | 11.10 USD | |
| 10 janv. 2012 | GRANT_AWARD | Archipelago Learning, Inc. | 2 508 | 9.97 USD | |
| 01 déc. 2011 | GRANT_AWARD | IHS Inc. | 1 472 | 0.00 USD | |
| 01 déc. 2011 | GRANT_AWARD | IHS Inc. | 1 699 | 0.00 USD | |
| 10 janv. 2011 | GRANT_AWARD | Archipelago Learning, Inc. | 6 938 | 0.00 USD | |
| 01 déc. 2010 | GRANT_AWARD | IHS Inc. | 1 374 | 0.00 USD | |
| 01 déc. 2010 | GRANT_AWARD | IHS Inc. | 2 062 | 0.00 USD | |
| 08 juin 2010 | GRANT_AWARD | Archipelago Learning, Inc. | 3 940 | 0.00 USD | |
| 01 déc. 2009 | GRANT_AWARD | IHS Inc. | 2 989 | 0.00 USD | |
| 19 nov. 2009 | GRANT_AWARD | Archipelago Learning, Inc. | 1 945 | 0.00 USD | |
| 15 janv. 2009 | GRANT_AWARD | IHS Inc. | 1 117 | 0.00 USD | |
| 01 déc. 2008 | GRANT_AWARD | IHS Inc. | 1 697 | 0.00 USD | |
| 01 déc. 2008 | GRANT_AWARD | IHS Inc. | 2 828 | 0.00 USD | |
| 01 juin 2008 | GRANT_AWARD | IHS Inc. | 502 | 0.00 USD | |
| 12 mars 2008 | GRANT_AWARD | IHS Inc. | 1 011 | 0.00 USD | |