ICLR: 6-K company filing

6-K 1 iconplc6kq425.htm 6-K Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 under t he Securities Exchange Act of 1934 For the month of May 2026 333-08704 (Commission file number) ICON plc (Translation of registrant's name into English) South County Business Park, Leopardstown, Dublin 18, D18 X5R3, Ireland (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F __ X ___ Form 40-F ______ EXHIBIT LIST Exhibit Description 99.1 ICON plc Press Release issued May 2 7 , 2026 - ICON reports Fourth Quarter and Full Year 2025 results, and provides outcome of Audit Committee investigation SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. ICON plc /s/ Nigel Clerkin Date: May 27, 2026 Nigel Clerkin Chief Financial Officer