| Filed On | Filing |
|---|---|
| 29 Apr 2015 | SC 13D/A |
| 20 Apr 2015 | SC 13D/A |
| 13 Mar 2015 | SC 13D/A |
| 16 Jan 2015 | SC 13D/A |
| 28 Nov 2014 | SC 13D/A |
| 12 Nov 2014 | SC 13D/A |
| 31 Oct 2014 | SC 13D/A |
| 21 Mar 2014 | SC 13D/A |
| 15 Jan 2014 | SC 13D/A |
| 30 Aug 2013 | SC 13D/A |
| 06 May 2013 | SC 13D/A |
| 25 Mar 2013 | SC 13D/A |
| 13 Dec 2005 | SC13DAM3 |
| 04 Aug 2005 | SC 13D/A |
| 08 Apr 2005 | SC 13D/A |
| 13 Sep 2004 | SC13DAM2 |
| 09 Aug 2004 | SC13DAM1 |
| 02 May 1994 | SPX CORPORATION SC13D/A |
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