| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2004-04-01 | APPALOOSA MANAGEMENT LP | ARCH COAL INC | 1,519,051 | 2.8% | EDGAR |
| SC 13D/A | 2004-03-17 | ARCH COAL INC | NATURAL RESOURCE PARTNERS LP | 278,918 | 2.0% | EDGAR |
| SC 13G | 2004-02-17 | JENNISON ASSOCIATES LLC | ARCH COAL INC | 2,790,935 | 5.3% | EDGAR |
| SC 13G | 2004-02-17 | FMR CORP | ARCH COAL INC | 3,262,480 | 6.2% | EDGAR |
| SC 13G/A | 2004-02-10 | PRUDENTIAL FINANCIAL INC | ARCH COAL INC | 2,824,566 | 5.4% | EDGAR |
| SC 13G/A | 2004-02-04 | MELLON BANK N A | ARCH COAL INC | 2,057,489 | 3.9% | EDGAR |
| SC 13G/A | 2003-10-02 | GREENLIGHT CAPITAL LLC | ARCH COAL INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2003-03-18 | GREENLIGHT CAPITAL LLC | ARCH COAL INC | 2,779,600 | 5.3% | EDGAR |
| SC 13G | 2003-02-14 | JENNISON ASSOCIATES LLC | ARCH COAL INC | 2,842,178 | 5.4% | EDGAR |
| SC 13G | 2003-02-11 | PRUDENTIAL FINANCIAL INC | ARCH COAL INC | 2,912,109 | 5.6% | EDGAR |
| SC 13G/A | 2003-01-21 | MELLON FINANCIAL CORP | ARCH COAL INC | 3,384,607 | 6.5% | EDGAR |
| SC 13D | 2002-10-28 | ARCH COAL INC | NATURAL RESOURCE PARTNERS LP | 2,895,670 | 25.5% | EDGAR |
| SC 13G | 2002-08-16 | GREENLIGHT CAPITAL LLC | ARCH COAL INC | 2,851,100 | 5.4% | EDGAR |
| SC 13G/A | 2002-08-08 | MELLON FINANCIAL CORP | ARCH COAL INC | 4,242,563 | 8.1% | EDGAR |
| SC 13G/A | 2002-02-12 | DIMENSIONAL FUND ADVISORS INC | ARCH COAL INC | 1,268,644 | 2.4% | EDGAR |
| SC 13G/A | 2002-02-05 | MERRILL LYNCH & CO INC | ARCH COAL INC | 1,273,175 | 2.4% | EDGAR |
| SC 13G/A | 2002-01-22 | MELLON FINANCIAL CORP | ARCH COAL INC | 7,043,981 | 13.4% | EDGAR |
| SC 13G | 2001-07-10 | MELLON FINANCIAL CORP | ARCH COAL INC | 6,015,960 | 11.5% | EDGAR |
| SC 13G/A | 2001-06-11 | CITIGROUP INC | ARCH COAL INC | 209,161 | 0.4% | EDGAR |
| SC 13D/A | 2001-02-22 | ASHLAND INC | ARCH COAL INC | 0 | 14.0% | EDGAR |