Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
---|---|---|---|---|---|---|
SC 13D | 2008-08-28 | Yorktown Energy Partners VII, L.P. | HALLADOR PETROLEUM CO | 5,700,090 | 26.0% | EDGAR |
SC 13D/A | 2008-07-23 | HARDIE DAVID C | HALLADOR PETROLEUM CO | 3,426,601 | 15.6% | EDGAR |
SC 13G/A | 2008-01-17 | Lubar Equity Fund, LLC | HALLADOR PETROLEUM CO | 1,493,018 | 9.1% | EDGAR |
SC 13G | 2008-01-09 | Yorktown Energy Partners VII, L.P. | HALLADOR PETROLEUM CO | 2,419,355 | 14.8% | EDGAR |
SC 13G/A | 2007-01-19 | Lubar Equity Fund, LLC | HALLADOR PETROLEUM CO | 686,566 | 5.6% | EDGAR |
SC 13D/A | 2006-07-26 | HARDIE DAVID C | HALLADOR PETROLEUM CO | 0 | 0.0% | EDGAR |
SC 13D | 2006-07-26 | Hallador Alternative Assets Fund, LLC | HALLADOR PETROLEUM CO | 2,429,014 | 20.0% | EDGAR |
SC 13G | 2006-07-26 | Robert C. Hardie L.P. | HALLADOR PETROLEUM CO | 823,041 | 6.8% | EDGAR |
SC 13G/A | 2006-01-17 | Lubar Equity Fund, LLC | HALLADOR PETROLEUM CO | 595,657 | 8.4% | EDGAR |
SC 13D/A | 2005-12-30 | YORKTOWN ENERGY PARTNERS II LP | HALLADOR PETROLEUM CO | 0 | 0.0% | EDGAR |
SC 13D | 2005-12-30 | Yorktown VI Associates LLC | HALLADOR PETROLEUM CO | 3,829,894 | 42.6% | EDGAR |
SC 13D/A | 2003-01-31 | HARDIE DAVID C | HALLADOR PETROLEUM CO | 3,346,069 | 47.2% | EDGAR |
SC 13D | 2002-04-10 | HALLADOR INC | HALLADOR PETROLEUM CO | 0 | 0.0% | EDGAR |
SC 13D | 2002-04-10 | HARDIE DAVID C | HALLADOR PETROLEUM CO | 3,791,259 | 53.4% | EDGAR |