CTVA: Other company developments

Item 8.01 Other Events. On October 1, 2026, Corteva, Inc. issued the press release attached hereto as Exhibit 99.1, which is incorporated herein by reference in its entirety. Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit Index Exhibit Number Description 99.1 Press Release dated October 1, 2026. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document). SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized. CORTEVA, INC. Date: October 1, 2026 By: /s/ David P. Johnson Name: David P. Johnson Title: Executive Vice President, Chief Financial Officer EIDP, INC. Date: October 1, 2026 By: /s/ David P. Johnson Name: David P. Johnson Title: Executive Vice President, Chief Financial Officer