INCY: Other company developments

Item 8.01 Other Events. On June 8, 2026, Incyte Corporation (the “Company”) issued a press release announcing it had entered into a definitive agreement to acquire Vega Therapeutics, Inc., a wholly owned subsidiary of Star Therapeutics, LLC (“Vega Therapeutics”). A copy of the Company’s press release announcing its entry into the definitive agreement to acquire Vega Therapeutics is attached as Exhibit 99.1 to this Current Report on Form 8-K. Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibits Description 99.1 Press release issued by Incyte Corporation dated June 8 , 2026. 104 Cover Page Interactive Data File (embedded within the Inline XBLR document). 2 SIGNATURE 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 hereunto duly authorized. Date: June 8, 2026 INCYTE CORPORATION By: /s/ Richard Hoffman Richard Hoffman Executive Vice President and General Counsel 2