UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 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): November 13, 2012

Corning Incorporated

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: 607-974-9000

Not Applicable

Former name or former address, if changed since last report

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:

Item 7.01 Regulation FD Disclosure.

A Press Release of Corning Incorporated (the “Company”) dated November 13, 2013 (the “Press Release”) relating to the pricing of the Notes (defined below) is furnished herewith as Exhibit 99.1. The information in the attached Press Release is furnished pursuant to Item 7.01 and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, and is not incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act regardless of any general incorporation language in such filing.

Item 8.01 Other Events.

Corning Incorporated Notes Offering.

On November 13, 2013, the Company agreed to sell $250,000,000 aggregate principal amount of 3.70% Notes due 2023 (the “Notes”) pursuant to an Underwriting Agreement (the “Underwriting Agreement”) and Pricing Agreement (the “Pricing Agreement”), each dated November 13, 2013, and each between the Company and Deutsche Bank Securities Inc. and J.P. Morgan Securities LLC, as representatives of the several underwriters named therein. The public offering price of the Notes was 99.777% of the principal amount of the Notes. The Company expects to receive net proceeds from the sale of the Notes, after deducting underwriting discounts and estimated offering expenses, of approximately $247 million. The Company intends to use the net proceeds for general corporate purposes.

The Notes were offered and sold under the Company’s registration statement on Form S-3 (Registration No. 333-178248) (the “Registration Statement”), filed with the Securities and Exchange Commission (the “SEC”) on December 1, 2011 under the Securities Act. The Company has filed with the SEC a prospectus supplement, dated November 13, 2013, together with the accompanying prospectus, dated December 1, 2011, relating to the offer and sale of the Notes.

The closing of the sale of the Notes is scheduled to occur on November 18, 2013. The Notes will be issued pursuant to an Indenture (the “Indenture”) dated as of November 8, 2000, between the Company and The Bank of New York Mellon Trust Company, N.A. (as successor to J.P. Morgan Chase Bank, N.A., formerly The Chase Manhattan Bank), as Trustee, and an Officers’ Certificate of the Company to be delivered pursuant to Sections 201 and 301 of the Indenture.

The above description of the Underwriting Agreement, the Pricing Agreement, the Indenture, the Officers’ Certificate and the Notes is qualified in its entirety by reference to the Underwriting Agreement, the Pricing Agreement, the Indenture, the form of Officers’ Certificate and the forms of the Notes. Each of the Underwriting Agreement, the Pricing Agreement, the form of Officers’ Certificate and the form of the Note is filed as an Exhibit to this Current Report on Form 8-K. The Indenture was filed as an Exhibit to the Company’s Registration Statement on Form S-3 filed with the SEC on March 15, 2001.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

1.1 Underwriting Agreement dated November 13, 2013, between the Company and Deutsche Bank Securities Inc. and J.P. Morgan Securities LLC, as representatives of the several underwriters named therein (excluding the annexes and schedules thereto).

1.2 Pricing Agreement dated November 13, 2013, between the Company and Deutsche Bank Securities Inc. and J.P. Morgan Securities LLC, as representatives of the several underwriters named therein.

4.1 Form of Officers’ Certificate of the Company to be delivered pursuant to Sections 201 and 301 of the Indenture dated as of November 8, 2000, between the Company and The Bank of New York Mellon Trust Company, N.A. (as successor to J.P. Morgan Chase Bank, N.A., formerly The Chase Manhattan Bank), as Trustee, relating to the Notes (excluding exhibits thereto).

4.2 Form of the Note.

5.1 Opinion of Linda E. Jolly, Corporate Secretary and counsel of the Company regarding the legality of the Notes.

23.1 Consent of Linda E. Jolly (included in Exhibit 5.1)

99.1 Press Release dated November 13, 2013, issued by the Company relating to the Notes.

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.