| Date | Filer | Title | Filing | Type | Shares Traded | Price | Total Held |
|---|---|---|---|---|---|---|---|
| Nov 17, 2003 | NEMOURS FOUNDATION
|
Ten Percent Owner | Form 4 | Open market or private sale of non-derivative or derivative security | 23,030 | $34.25 | 1,668,478 |
| Nov 10, 2003 | NEMOURS FOUNDATION
|
Ten Percent Owner | Form 4 | Open market or private sale of non-derivative or derivative security | 40,950 | $33.19 | 1,691,508 |
| May 16, 2003 | KEIL JEFFREY C
|
Director | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 2,441 | -- | 8,408 |
| Feb 20, 2024 | GOFF RHEA
|
SVP & Chief Admin. Officer | Form 4/A | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 2,793 | -- | 8,037 |
| Feb 20, 2024 | WALTERS Elizabeth J
|
SVP, Chief Legal Officer & Sec | Form 4/A | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 3,743 | -- | 14,522 |
| Apr 03, 2013 | ALVAREZ CESAR L
|
Director | Form 4/A | Other acquisition or disposition | -- | -- | -- |
| Jan 02, 2008 | DURDEN HUGH M
|
Director | Form 4/A | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 630 | $34.70 | 10,962 |
| Oct 05, 2007 | MCCALMONT WILLIAM S
|
Chief Financial Officer | Form 4/A | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | 1,356 | $34.15 | 45,891 |
| Jan 03, 2006 | DURDEN HUGH M
|
Director | Form 4/A | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 252 | $67.99 | 4,262 |
| Dec 30, 2005 | DURDEN HUGH M
|
Director | Form 4/A | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 3 | $67.22 | 1,577 |
For recent transactions, including derivative transactions, see our Section 16 SEC filingspage.