Welcome to our dedicated page for Corning SEC filings (Ticker: GLW), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Corning Incorporated (NYSE: GLW) files a range of documents with the U.S. Securities and Exchange Commission that provide detailed insight into its operations as a materials science company active in glass, ceramics, and optical technologies. On this page, you can review GLW’s SEC filings alongside AI-powered summaries that explain key points in accessible language.
Corning’s current reports on Form 8-K frequently cover quarterly financial results, including the attachment of earnings press releases that discuss GAAP and core (non-GAAP) performance measures such as core sales, core operating margin, core EPS, and adjusted free cash flow. These filings also summarize segment performance for Optical Communications, Display, Specialty Materials, Automotive, Life Sciences, and Hemlock and Emerging Growth Businesses, and may include management’s commentary on trends affecting these markets.
Other 8-K filings document governance and capital structure events, such as the election of new directors, committee assignments, and the execution of material definitive agreements. For example, Corning has reported entering into a multi-currency credit agreement that replaces a prior facility, outlining the commitment amount, interest rate options, covenants, and events of default. Such filings help investors understand the company’s liquidity resources and financial obligations.
Corning’s filings also record dividend declarations by the Board of Directors, specifying per-share dividend amounts, record dates, and payment dates, as well as other matters that may affect shareholders. Over time, investors can use these documents to track Corning’s approach to capital returns, financing arrangements, and governance practices.
This SEC filings page combines real-time updates from EDGAR with AI-generated highlights to make it easier to navigate lengthy disclosures. Users can quickly identify items related to quarterly and annual reports, material agreements, director and officer changes, and other reportable events, and then drill into the full text for deeper analysis of Corning’s business and financial position.
GLW received a Form 144 notice covering a proposed sale of restricted securities. The holder plans to sell 21,000 shares of common stock through UBS Financial Services Inc. on or about 12/10/2025 on the NYSE, with an aggregate market value of $1,988,580. The issuer had 857,360,396 shares of common stock outstanding at the time referenced.
The shares to be sold were acquired directly from the issuer through equity compensation events, including performance share vesting and restricted stock vesting or release on dates between 04/14/2023 and 08/08/2024. By signing the notice, the seller represents that they are not aware of any undisclosed material adverse information about the issuer’s current or future operations.
Corning Incorporated insider plans sale of restricted stock under Rule 144. A holder has filed to sell 16,547 shares of Corning common stock through UBS Financial Services on the NYSE, with an aggregate market value of $1,502,202. These shares are part of a much larger base of 857,360,396 common shares outstanding. The securities were acquired via restricted stock releases from the issuer on 08/08/2025 and 12/07/2025, in amounts of 1,385 and 15,162 shares, respectively, with the planned sale date listed as 12/10/2025.
Corning Inc. reported an insider equity transaction by a senior vice president and Chief Digital & Information Officer. On 12/08/2025, 9,838 shares of Corning common stock were disposed of at $88.27 per share to cover the reporting person's tax withholding obligation upon the vesting of restricted stock. After this tax-related share withholding, the insider directly beneficially owns 33,303 shares of Corning common stock. This type of transaction does not represent an open-market sale for investment purposes, but rather an automatic share reduction tied to equity compensation.
Corning Inc. (GLW) chairman, CEO and president reports equity transfer. A Form 4 filing shows the insider, who is also a director, disposed of 24,322 shares of Corning common stock on 12/04/2025 in a transaction coded “G,” which indicates a gift, at a stated price of $0 per share. After this transaction, the insider directly beneficially owns 747,779 Corning shares, with additional indirect holdings including 9,200 shares held by a spouse, 7,098.3039 units held by the spouse through an employee benefit plan, and 11,700.9117 units held as trustee under an employee benefit plan. The filing notes it was submitted late due to an administrative error and states that the reporting person disclaims beneficial ownership of all securities held by the spouse.
Corning Incorporated reported an insider equity award for one of its senior executives. A Senior Vice President & Chief Digital and Information Officer acquired 16,756 shares of Corning common stock on December 3, 2025, recorded at a price of $0 per share, indicating a grant rather than an open-market purchase. Following this grant, the executive beneficially owns 43,141 shares, held directly. The filing notes that these shares were granted under the Incentive Stock Plan of Corning Incorporated and are subject to the restrictions and terms of an agreement dated December 3, 2025.
Corning Incorporated (GLW) officer equity transactions: On 11/21/2025, a senior vice president in the Emerging Innovations Group reported multiple equity-related transactions in a Form 4. Several restricted stock units and performance share units were converted to Corning common stock at an exercise price of $0, including 689, 737, 794, and 663 underlying shares. To cover taxes on these awards, 2,883 shares of common stock were disposed of at $79.46 under code “F”. Following these transactions, the reporting person directly owned 55,500 shares of Corning common stock, along with remaining restricted stock unit and performance share unit positions that vest over time, some through 2028.
Corning Incorporated (GLW) executive Senior Vice President & CHRO reports her equity holdings with the company. She directly owns 36,000 shares of common stock and her spouse holds 44 shares indirectly, for which she disclaims beneficial ownership.
The filing also details several equity awards. These include restricted stock units (RSUs) granted on February 8, 2023 that vest over three years, with one-third after one year and additional portions every six months until the third anniversary. Additional RSUs covering 4,378, 3,953, and 3,793 shares vest 100% on April 15, 2027, April 14, 2028, and April 15, 2026, respectively. Performance share units (PSUs) for 4,766 and 4,183 shares can convert into common stock, with earned PSUs scheduled to vest and convert on April 15, 2026 and April 15, 2027, subject to service-based vesting conditions.
Corning Incorporated (GLW) reported an insider transaction: its Vice Chairman, EVP and CLAO sold 23,142 shares of common stock on 10/31/2025 at a weighted average price of $89.0487, using Transaction Code S.
Following the sale, the reporting person beneficially owns 17,575 shares, held directly. The price reflects multiple trades executed between $88.93 and $89.14, as disclosed.
Corning (GLW) disclosed insider activity by its Executive Vice President and CFO. On 10/31/2025, the officer exercised 8,844 stock options at $33.92 per share (code M), acquiring the same number of common shares. The filing also reports a sale of 20,893 shares at $91.25 per share (code S). Following these transactions, the officer directly owns 66,959 shares.
The exercised options were granted on 04/01/2022 and expire on 04/01/2029; they vested 100% at the end of three years from the grant date.
Corning (GLW): Form 144 filed for a proposed insider sale. A holder filed notice to sell up to 23,142 shares of GLW common stock, with an aggregate market value of $2,060,738.84. The filing lists UBS Financial Services Inc. as broker, with sales expected on or about 10/31/2025 on the NYSE. The shares were acquired on 04/15/2025 via a performance stock release from the issuer, in the same amount of 23,142 shares. Shares outstanding are 856,618,711. This is an administrative notice under Rule 144 and does not involve the company issuing new shares.