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.
Edward Schlesinger has filed a Form 144 to sell up to 21,104 common shares of GLW through UBS Financial Services Inc. on or about 01/29/2026 on the NYSE, with an aggregate market value of $2,206,301.80. These shares come from a 01/29/2026 stock option exercise for 8,925 shares and a 04/15/2025 performance stock release for 12,179 shares, both from the issuer. Over the prior three months, Schlesinger sold 20,893 common shares for gross proceeds of $1,906,461.
Corning Incorporated filed a current report to make its fourth-quarter and full-year financial results available to investors. The company states that a press release dated January 28, 2026, covering results for the quarter ended December 31, 2025, is attached as Exhibit 99.
The report clarifies that this earnings information is being furnished, not filed, under securities law, which affects how it is treated for legal liability and incorporation into other regulatory documents.
Corning Incorporated senior vice president reported updates to equity holdings following the settlement of stock-based awards. On January 15, 2026, multiple restricted stock unit and performance share unit awards were converted to common stock at an exercise price of $0 per share. In connection with these events, 1,990 shares of common stock were withheld at a price of $93.49 per share to cover tax obligations.
After these transactions, the reporting person directly owned 32,772 shares of Corning common stock. The derivative table shows remaining holdings in restricted stock units and performance share units that continue to vest on future dates, including awards scheduled to vest in 2026, 2027, and 2028. The amendment clarifies the tax withholding shares that were inadvertently omitted from the original filing dated January 20, 2026.
Corning Inc. senior vice president Jordana Daryl Kammerud reported administrative equity changes in company stock. On January 15, 2026, Kammerud forfeited 12,136 shares of restricted stock pursuant to a July 10, 2023 agreement. On the same date, 4,666 shares of common stock were withheld at $93.49 per share to cover Kammerud's tax withholding obligations upon the vesting of restricted stock. After these transactions, Kammerud directly beneficially owned 32,772 shares of Corning common stock.
Corning Incorporated senior vice president and general manager of Optical Communications reported routine equity activity in company stock. On January 2, 2026, the officer acquired 612 shares of Corning common stock at an exercise price of $0 through the vesting and settlement of restricted stock units, then disposed of 612 shares at $90.67, likely to cover related obligations, leaving 34,966 shares held directly.
The officer continues to hold multiple unvested restricted stock unit (RSU) awards, each convertible into one share of common stock. These include RSUs originally granted on February 8, 2023 that vest over three years, as well as RSUs scheduled to vest 100% on April 15, 2026, April 15, 2027, and April 14, 2028, subject to terms such as potential earlier vesting upon retirement, death, or disability.
Corning Incorporated’s Executive Vice President and CFO reported routine equity award activity. On 01/02/2026, 1,035 shares of common stock were acquired at an exercise price of $0 from restricted stock units, and 1,035 shares were disposed of at $90.67, typically indicating shares withheld to cover obligations. After these transactions, the officer directly owned 66,959 shares of common stock.
The reporting person also held restricted stock units representing the right to receive common stock in the future, including 21,888 RSUs vesting 100% on April 15, 2027, 19,088 RSUs vesting 100% on April 15, 2026, and additional RSUs vesting 100% on April 14, 2028. Certain events such as retirement, death, or disability may cause these RSUs to vest earlier than the stated dates.
Corning Incorporated officer reports stock and RSU transactions. A Corning Inc. (GLW) vice chairman, executive vice president and chief legal and administrative officer reported transactions dated 01/02/2026. The reporting person acquired 1,097 shares of common stock at an exercise price of $0 through the vesting or settlement of restricted stock units, then disposed of 1,097 shares at $90.67, typically reflecting shares withheld or sold to cover taxes or related obligations. After these transactions, the officer directly owned 17,575 shares of common stock.
In addition, the filing shows outstanding restricted stock units that each represent a right to receive one share of Corning common stock. RSU blocks of 33,414 and 31,109 shares vest 100% on April 15, 2027 and April 15, 2026, respectively, and another RSU block of 26,077 shares vests 100% on April 14, 2028, subject to earlier vesting in certain events such as retirement, death, or disability.
Corning Incorporated’s Senior Vice President and Chief Technology Officer reported routine equity transactions in company stock. On 01/02/2026, the executive exercised 685 restricted stock units into common shares at an exercise price of $0, then had 685 shares disposed of at $90.67, consistent with shares being withheld or sold to cover obligations. After these transactions, the executive directly owned 86,072 shares of common stock and held an additional 2,596.5602 units indirectly as trustee under an employee benefit plan as of December 31, 2025.
The filing also shows several outstanding restricted stock unit awards, including 2,641, 16,570, 15,355, and 14,631 RSUs, each representing one share of common stock upon vesting, with vesting schedules extending through April 14, 2028.
Corning Incorporated Senior Vice President & CHRO reported routine equity compensation activity involving common stock and restricted stock units. On 01/02/2026, 283 shares of common stock were acquired at $0 through the vesting of restricted stock units and 283 shares were disposed of at $90.67, typically reflecting shares withheld to cover obligations. Following these transactions, the executive directly held 36,000 shares of Corning common stock, with an additional 44 shares indirectly held by a spouse, for which beneficial ownership is disclaimed.
The filing also lists multiple restricted stock unit awards, including 918 RSUs and 4,378 and 3,793 RSUs that vest 100% on future dates, as well as grants that vest over time through April 14, 2028. These RSUs each represent the right to receive one share of Corning common stock as they vest, subject to conditions such as continued service and certain events described in the award agreements.
Corning Inc reported an insider equity transaction by its Chairman, CEO and President, who is also a director. On 01/02/2026, the insider settled 3,287 restricted stock units into common stock at an exercise price of $0, bringing directly held common stock to 751,066 shares. On the same date, 3,287 shares were disposed of at $90.67 per share, leaving 747,779 shares held directly.
Indirect holdings include 9,200 shares held by a spouse, 7,120.5596 units in a unitized stock fund in the issuer's 401(k) retirement plan held by the spouse as of December 31, 2025, and 11,737.5981 units held as trustee under an employee benefit plan. The insider also reports 111,863 RSUs vesting on April 15, 2027, 104,474 RSUs vesting on April 15, 2026, and 86,634 RSUs vesting on April 14, 2028, each RSU representing a contingent right to receive one share of Corning common stock, with certain events potentially causing earlier vesting.