| Filed On | Filing |
|---|---|
| 21 Jun 2022 | SCHEDULE 13D |
| 25 Sep 2009 | SCHEDULE 13D |
| 12 Jan 2009 | SCHEDULE 13D FOR HALLADOR PETROLEUM COMPANY |
| 28 Aug 2008 | SCHEDULE 13D |
| 26 Jul 2006 | HALLADOR |
| 30 Dec 2005 | SCHEDULE 13D |
| 10 Apr 2002 | FOR MARCH 15, 2002 |
| 10 Apr 2002 | FOR HALLADOR, INC. |
| 27 Feb 1998 | SCHEDULE 13D |
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