| SC 13D/A | 2008-11-13 | STEEL PARTNERS II LP | UNISYS CORP | 17,929,847 | 4.9% | EDGAR |
| SC 13D/A | 2008-11-10 | MMI INVESTMENTS, L.P. | UNISYS CORP | 26,322,000 | 7.3% | EDGAR |
| SC 13G/A | 2008-11-10 | FMR LLC | UNISYS CORP | 21,072,699 | 5.9% | EDGAR |
| SC 13G/A | 2008-11-10 | BlackRock Inc. | UNISYS CORP | 4,930,977 | 1.4% | EDGAR |
| SC 13D/A | 2008-11-07 | STEEL PARTNERS II LP | UNISYS CORP | 19,949,847 | 5.5% | EDGAR |
| SC 13D/A | 2008-10-14 | STEEL PARTNERS II LP | UNISYS CORP | 24,779,847 | 6.9% | EDGAR |
| SC 13D | 2008-10-03 | STEEL PARTNERS II LP | UNISYS CORP | 19,481,110 | 5.4% | EDGAR |
| SC 13D/A | 2008-05-21 | MMI INVESTMENTS, L.P. | UNISYS CORP | 32,322,000 | 9.1% | EDGAR |
| SC 13D/A | 2008-02-20 | MMI INVESTMENTS, L.P. | UNISYS CORP | 34,787,000 | 9.9% | EDGAR |
| SC 13G/A | 2008-02-14 | FMR LLC | UNISYS CORP | 51,693,026 | 14.7% | EDGAR |
| SC 13G/A | 2008-02-14 | BRANDES INVESTMENT PARTNERS, LP | UNISYS CORP | 34,314,141 | 9.8% | EDGAR |
| SC 13G/A | 2008-02-08 | BlackRock Inc. | UNISYS CORP | 34,487,441 | 9.8% | EDGAR |
| SC 13D/A | 2008-01-08 | MMI INVESTMENTS, L.P. | UNISYS CORP | 34,787,000 | 9.9% | EDGAR |
| SC 13D/A | 2007-11-07 | MMI INVESTMENTS, L.P. | UNISYS CORP | 34,787,000 | 9.9% | EDGAR |
| SC 13D/A | 2007-08-13 | MMI INVESTMENTS, L.P. | UNISYS CORP | 33,847,000 | 9.7% | EDGAR |
| SC 13G | 2007-05-10 | FMR CORP | UNISYS CORP | 36,856,506 | 10.7% | EDGAR |
| SC 13D/A | 2007-05-03 | MMI INVESTMENTS, L.P. | UNISYS CORP | 27,957,300 | 8.1% | EDGAR |
| SC 13D/A | 2007-03-16 | MMI INVESTMENTS, L.P. | UNISYS CORP | 24,352,300 | 7.1% | EDGAR |
| SC 13G/A | 2007-02-14 | TUDOR INVESTMENT CORP ET AL | UNISYS CORP | 12,910,461 | 3.7% | EDGAR |
| SC 13G/A | 2007-02-14 | BRANDES INVESTMENT PARTNERS, LP | UNISYS CORP | 44,890,036 | 13.0% | EDGAR |