| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2004-09-02 | ARDSLEY ADVISORY PARTNERS | W R GRACE & CO | 1,252,500 | 1.9% | EDGAR |
| SC 13G | 2004-04-22 | DE SHAW LAMINAR PORTFOLIOS LLC | W R GRACE & CO | 6,418,917 | 9.8% | EDGAR |
| SC 13G/A | 2003-02-13 | BAUPOST GROUP LLC/MA | W R GRACE & CO | 2,428,200 | 3.7% | EDGAR |
| SC 13G/A | 2002-02-15 | BAUPOST GROUP LLC /ADV | W R GRACE & CO | 3,607,600 | 5.5% | EDGAR |
| SC 13G/A | 2002-02-14 | FMR CORP | W R GRACE & CO | 2,324,000 | 4.3% | EDGAR |
| SC 13D | 2001-07-25 | PENINSULA PARTNERS LP | W R GRACE & CO | 10,546,100 | 16.1% | EDGAR |
| SC 13G/A | 2001-07-25 | PENINSULA PARTNERS LP | W R GRACE & CO | 10,546,100 | 16.1% | EDGAR |
| SC 13G/A | 2001-05-01 | PENINSULA PARTNERS LP | W R GRACE & CO | 6,625,400 | 10.1% | EDGAR |
| SC 13G/A | 2001-02-14 | FMR CORP | W R GRACE & CO | 3,765,400 | 5.6% | EDGAR |
| SC 13G/A | 2001-02-14 | BAUPOST GROUP LLC /ADV | W R GRACE & CO | 5,733,600 | 8.8% | EDGAR |
| SC 13G/A | 2001-02-13 | SASCO CAPITAL INC / CT/ | W R GRACE & CO | 0 | 0.0% | EDGAR |
| SC 13G | 2000-12-20 | PENINSULA PARTNERS LP | W R GRACE & CO | 3,330,000 | 5.1% | EDGAR |
| SC 13G/A | 2000-10-10 | - | - | - | - | EDGAR |
| SC 13G | 2000-02-11 | FMR CORP | W R GRACE & CO | 3,778,183 | 5.3% | EDGAR |
| SC 13G | 2000-02-11 | FMR CORP | W R GRACE & CO | 3,778,183 | 5.3% | EDGAR |
| SC 13G | 2000-02-11 | FMR CORP | W R GRACE & CO | 3,778,183 | 5.3% | EDGAR |
| SC 13G/A | 2000-02-10 | SASCO CAPITAL INC / CT/ | W R GRACE & CO | 3,628,010 | 5.1% | EDGAR |
| SC 13G/A | 2000-02-10 | SASCO CAPITAL INC / CT/ | W R GRACE & CO | 3,628,010 | 5.1% | EDGAR |
| SC 13G/A | 2000-02-10 | SASCO CAPITAL INC / CT/ | W R GRACE & CO | 3,628,010 | 5.1% | EDGAR |
| SC 13G/A | 2000-02-01 | MORGAN STANLEY DEAN WITTER & CO | W R GRACE & CO | 6,214,548 | 8.7% | EDGAR |