| Filed On | Filing |
|---|---|
| 15 Aug 2024 | WEALTHTRUST AXIOM LLC |
| 25 Jan 2024 | SC 13G |
| 11 Feb 2022 | SC 13G |
| 16 Feb 2021 | SCHEDULE 13G HOLDINGS REPORT |
| 12 Feb 2019 | SC 13G |
| 13 Feb 2017 | 13G |
| 16 Feb 2016 | ARI13GEPM |
| 28 Jan 2016 | SC 13G |
| 14 Feb 2013 | DISCLOSURE DOCUMENT |
| 12 Feb 2010 | SC 13G |
| 14 Sep 2009 | SC 13G |
| 19 Jun 2008 | SC 13G |
| 13 Feb 2008 | EVOLUTION PETRO. CORP. |
| 07 Dec 2007 | SC 13G |
| 04 Jun 2007 | SC 13G |
| 28 Feb 2006 | SC 13G |
| 26 Jan 2006 | NATURAL GAS SYSTEMS, INC. |
| 17 Feb 1998 | SCHEDULE 13G |
| 10 Jan 1997 | SC 13G |
| 10 Jul 1996 | SC 13G |
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