| Filed On | Filing |
|---|---|
| 10 Jul 2013 | LUFKIN INDUSTRIES, INC. - 06/30/2013 |
| 10 May 2013 | SC 13G/A |
| 14 Feb 2013 | SC 13G/A |
| 14 Feb 2013 | NONE |
| 14 Feb 2013 | LUFKIN INDUSTRIES, INC. - 12/31/2012 |
| 12 Feb 2013 | SC 13G/A |
| 01 Feb 2013 | SC 13G/A |
| 29 Jan 2013 | SC 13G/A |
| 10 Sep 2012 | LUFKIN INDUSTRIES, INC. - 8/31/2012 |
| 11 Jun 2012 | LUFKIN INDUSTRIES, INC. - 5/31/2012 |
| 15 Feb 2012 | NONE |
| 13 Feb 2012 | LUFKIN INDUSTRIES, INC. - 12/31/2011 |
| 10 Feb 2012 | SC 13G/A |
| 14 Feb 2011 | DOC ONE |
| 07 Feb 2011 | SC 13G/A |
| 27 Jan 2011 | SC 13G/A |
| 01 Mar 2010 | SC 13G/A |
| 12 Feb 2010 | SCHEDULE 13G/A AMENDMENT #3 FOR LUFKIN INDUSTRIES INC |
| 26 Jan 2010 | SC 13G/A |
| 17 Feb 2009 | SCHEDULE 13G AMENDMENT NO. 2 |
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