| Date | Filer | Title | Filing | Type | Shares Traded | Price | Total Held |
|---|---|---|---|---|---|---|---|
| Feb 17, 2005 | RHODES ROBERT M
|
EVP | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 28,750 | $28.29 | 30,037 |
| Feb 17, 2005 | RHODES ROBERT M
|
EVP | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 28,750 | -- | 28,750 |
| Mar 29, 2004 | NEMOURS FOUNDATION
|
Ten Percent Owner | Form 4 | Open market or private sale of non-derivative or derivative security | 28,750 | $39.50 | 1,512,078 |
| Feb 23, 2005 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 29,170 | $16.69 | 379,150 |
| Feb 23, 2005 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 29,170 | -- | -- |
| Apr 28, 2004 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 29,170 | $16.69 | 439,655 |
| Apr 28, 2004 | TWOMEY KEVIN M
|
President, COO & CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 29,170 | -- | 29,170 |
| May 10, 2007 | MCCALMONT WILLIAM S
|
Chief Financial Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 30,000 | -- | 30,000 |
| Feb 08, 2007 | MARX CHRISTINE M
|
General Counsel and Secretary | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 30,000 | $32.65 | 43,045 |
| Feb 08, 2007 | MARX CHRISTINE M
|
General Counsel and Secretary | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 30,000 | -- | 10,000 |
For recent transactions, including derivative transactions, see our Section 16 SEC filingspage.