ALC: 6-K company filing

alc-20260630 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 THE SECURITIES EXCHANGE ACT OF 1934 August 10, 2026 Commission File Number: 001-31269 _________________ ALCON INC. (Registrant Name) Rue Louis-d'Affry 6 1701 Fribourg , Switzerland (Address of principal executive office) _________________ Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20‑F or Form 40-F: Form 20-F ☒ Form 40-F ☐ EXHIBIT INDEX Exhibit Number Description 99.1 Press release issued by Alcon Inc. dated August 10, 2026 99.2 Alcon Inc. Interim Financial Report 101 Inline XBRL Document Set for the condensed consolidated financial statements and accompanying notes included in this Form 6-K 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) 2 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. ALCON INC. Date: August 10, 2026 By: /s/ David J. Endicott Name: David J. Endicott Title: Authorized Representative Date: August 10, 2026 By: /s/ Timothy C. Stonesifer Name: Timothy C. Stonesifer Title: Authorized Representative 3