| SC 13D/A | 2009-07-17 | STEEL PARTNERS II LP | WHX CORP | 3,995,974 | 32.8% | EDGAR |
| SC 13D/A | 2009-03-25 | GAMCO INVESTORS, INC. ET AL | WHX CORP | 584,264 | 4.8% | EDGAR |
| SC 13G/A | 2009-02-17 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP | WHX CORP | 100,000 | 0.8% | EDGAR |
| SC 13D/A | 2009-01-06 | STEEL PARTNERS II LP | WHX CORP | 9,133,889 | 75.0% | EDGAR |
| SC 13D/A | 2008-10-06 | GAMCO INVESTORS, INC. ET AL | WHX CORP | 5,958,465 | 4.9% | EDGAR |
| SC 13D/A | 2008-09-29 | STEEL PARTNERS II LP | WHX CORP | 91,338,891 | 75.0% | EDGAR |
| SC 13D/A | 2008-08-18 | STEEL PARTNERS II LP | WHX CORP | 5,029,793 | 50.3% | EDGAR |
| SC 13G/A | 2008-02-14 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP | WHX CORP | 326,753 | 2.3% | EDGAR |
| SC 13D/A | 2007-12-31 | STEEL PARTNERS II LP | WHX CORP | 5,029,793 | 50.3% | EDGAR |
| SC 13G/A | 2007-06-20 | Praesidium Investment Management Company, LLC | WHX CORP | 325,641 | 3.3% | EDGAR |
| SC 13G/A | 2007-02-15 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP | WHX CORP | 180,262 | 1.8% | EDGAR |
| SC 13G | 2007-01-04 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP | WHX CORP | 175,762 | 1.8% | EDGAR |
| SC 13D/A | 2006-11-03 | GAMCO INVESTORS, INC. ET AL | WHX CORP | 305,948 | 3.1% | EDGAR |
| SC 13G/A | 2006-02-08 | MARINER INVESTMENT GROUP INC | WHX CORP | 109,487 | 1.1% | EDGAR |
| SC 13G/A | 2006-02-06 | DIMENSIONAL FUND ADVISORS INC | WHX CORP | 1,872 | 0.0% | EDGAR |
| SC 13G | 2005-11-15 | Praesidium Investment Management Company, LLC | WHX CORP | 726,541 | 7.3% | EDGAR |
| SC 13D | 2005-11-01 | WHX CORP | COSINE COMMUNICATIONS INC | 1,898,337 | 18.8% | EDGAR |
| SC 13D/A | 2005-10-31 | STEEL PARTNERS II LP | WHX CORP | 5,029,793 | 50.3% | EDGAR |
| SC 13G/A | 2005-09-29 | PRIVATE MANAGEMENT GROUP INC | WHX CORP | 0 | 0.0% | EDGAR |
| SC 13G/A | 2005-09-22 | PRIVATE MANAGEMENT GROUP INC | WHX CORP | 0 | 0.0% | EDGAR |