| Filed On | Filing |
|---|---|
| 14 Feb 2022 | SC 13G |
| 08 Feb 2021 | SC 13G |
| 14 Feb 2020 | SC 13G |
| 14 Feb 2019 | SC 13G |
| 09 Feb 2017 | CMS ENERGY CORPORATION |
| 26 Jan 2016 | SC 13G |
| 12 Feb 2015 | CMS |
| 13 Feb 2012 | SC 13G |
| 16 Feb 2010 | INITIAL |
| 29 Jan 2010 | SC 13G |
| 13 Feb 2009 | SC 13G |
| 13 Feb 2009 | SC 13G |
| 04 Feb 2009 | CMS ENERGY CORPORATION |
| 09 Nov 2007 | CMS ENERGY CORP |
| 14 Feb 2006 | DOC ONE |
| 12 Feb 2003 | SC 13G |
| 30 Jan 2003 | SC 13G |
| 14 Feb 2002 | SCHEDULE 13G |
| 14 Feb 2002 | CMS ENERGY CORP. |
| 18 Jul 2001 | 06/30/01 13G |
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