Reg FD Disclosure

SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549   FORM 8-K   CURRENT REPORT   Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934   Date of Report: (Date of earliest event reported) May 15, 2026   CORNING INCORPORATED (Exact name of registrant as specified in its charter)   New York ‎(State or other jurisdiction ‎of incorporation) 1-3247 ‎(Commission ‎File Number) 16-0393470 ‎(I.R.S. Employer ‎Identification No.)   One Riverfront Plaza , Corning , New York ‎(Address of principal executive offices)   14831 ‎(Zip Code)   ( 607 ) 974-9000 (Registrant’s telephone number, including area code) N/A (Former name or former address, if changed since last report)   Securities registered pursuant to Section 12(b) of the Act:   Title of each class   Trading Symbol(s)   Name of each exchange on which registered Common Stock, $0.50 par value per share   GLW   New York Stock Exchange   3.875% Notes due 2026   GLW26   New York Stock Exchange   4.125% Notes due 2031   GLW31   New York Stock Exchange     Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 ((§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).   Emerging growth company ☐     If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.                 ☐   Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:   ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))   Item 7.01 Regulation FD Disclosure.   As previously disclosed, on May 19, 2026, Edward A. Schlesinger, Executive Vice President and Chief Financial Officer of Corning Incorporated (the Company) and Avery (Hal) Nelson III, Executive Vice President and Chief Operating Officer of the Company, will be speaking at the J.P. Morgan 2026 Global Technology, Media and Communications Conference, starting at 9:25 AM (ET). Mr. Schlesinger and Mr. Nelson will be providing business updates. A live audio webcast of the presentation will be available on investor.corning.com under Events & Presentations. A replay and transcript of the webcast will be available for 12 months following the presentation.   The information furnished pursuant to Item 7.01 of this Current Report on Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to liabilities under that section and shall not be deemed to be incorporated by reference into any document filed under the Securities Act of 1933, as amended, or the Exchange Act, whether made before or after the date hereof, regardless of any general incorporation language in such filing.   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 hereunto duly authorized.     CORNING INCORPORATED         By:    /s/ Melissa J. Gambol   Name: Melissa J. Gambol   Title: Vice President and Corporate Secretary       Date: May 15, 2026