| Filed On | Filing |
|---|---|
| 13 Feb 2015 | NSB ADVISORS, LLC |
| 12 Feb 2015 | SC 13G/A |
| 26 Jan 2015 | APCO OIL AND GAS 13G A1 |
| 23 Jan 2015 | SC 13G/A |
| 21 Jul 2014 | RESIND |
| 14 Feb 2014 | SC 13G/A |
| 03 Feb 2014 | SC 13G/A |
| 13 Feb 2013 | APAGF_123112 |
| 13 Feb 2013 | SC 13G/A |
| 10 Oct 2012 | APAGF_093012 |
| 09 Jul 2012 | APAGF 06302012 |
| 14 Feb 2012 | APAGF 123111 |
| 11 Jan 2011 | BROWN ADVISORY HOLDINGS INCORPORATED |
| 16 Feb 2010 | APCO 123109 |
| 16 Feb 2010 | CIK ERROR 123109 APCO |
| 16 Feb 2010 | APCO 123109 |
| 08 Apr 2009 | SCHEDULE 13 G/A 03312009 |
| 17 Feb 2009 | SCHEDULE 13 G/A 12.31.2008 |
| 13 Feb 2008 | SC 13G/A |
| 11 Feb 2008 | BROWN ADVISORY 4Q07 13G APAGF |
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