$GBR
Market Cap:
$GBR SEC Filings
| Filing | Filed On |
|---|---|
| SC 13D | 30 Mar 2021 |
| SC 13D | 06 Dec 2018 |
| SC 13D NEW CONCEPT ENERGY, INC. | 17 Sep 2018 |
| SC 13D | 27 Jun 2018 |
| HKS INVESTMENT CORPORATION SCHEDULE 13D | 10 Jan 2006 |
| SCHEDULE 13D | 20 Jan 2004 |
| SC 13D | 11 Jan 2000 |
| SC 13D | 15 Jan 1999 |
| SCHEDULE 13D RE: GREENBRIAR CORPORATION | 09 Apr 1998 |
| SCHEDULE 13D FOR LONE STAR OPPORTUNITY FUND, L.P. | 22 Jan 1998 |
| SCHEDULE 13D | 09 Jan 1997 |
| SCHEDULE 13D | 09 Jan 1997 |
| SCHEDULE 13D | 24 Sep 1996 |
| SC 13D | 04 Jun 1996 |
| SC 13D | 03 Jun 1996 |
