Announcements

Director Roger Anthony Carolin filed a Form 4 with the SEC on November 9, 2026, disclosing the exercise of a stock option covering 20,000 shares of Amkor Technology, Inc. common stock on November 5, 2026.

Kevin K. Engel, an officer and director of Amkor Technology, Inc., filed a Form 144 notice on November 9, 2026, disclosing a proposed sale of 1,000 shares of Amkor common stock pursuant to Rule 144 under the Securities Act of 1933.

Teradata Corporation director and officer Stephen McMillan filed a Form 144 notice on November 9, 2026, disclosing a proposed sale of 10,000 shares of Teradata common stock on the New York Stock Exchange.

Director Edward D. Breen filed a Form 4 with the SEC on November 9, 2026, disclosing a same-day exercise and sale of 89,845 stock options in DuPont de Nemours, Inc. (NYSE:DD) on November 5, 2026, along with a prior grantor retained annuity trust transaction …

DuPont de Nemours, Inc. CEO and Director Lori Koch filed a Form 4 on November 9, 2026, disclosing the exercise of 2,311 stock options and the same-day sale of 2,311 shares of common stock.

Erik T. Hoover, SVP and General Counsel of DuPont de Nemours, Inc., filed a Form 4 on November 9, 2026, disclosing the exercise of stock options and the same-day sale of 4,203 shares of common stock.

DuPont de Nemours, Inc. officer Erik T. Hoover filed a Form 144 notice on November 9, 2026, disclosing a proposed sale of 4,203 shares of common stock acquired through the exercise of employee stock options.