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 files a Form 144 reporting a proposed sale of 137,514 common shares. The filing lists the method as a stock option exercise with an action date of 02/26/2026.
It also discloses a prior sale of 24,322 common shares on 12/05/2025 with an associated figure of $2,083,671 shown in the record.
Corning Senior Vice President & CHRO Michelle L. Gullo reported open-market sales of the company’s common stock. She directly sold 587 shares at $131.1115 per share, leaving 36,000 shares held directly. A separate sale of 44 shares at $135.8315 per share involved stock held by her spouse, which she reports as indirectly owned and for which she disclaims beneficial ownership.
Corning Incorporated insider plans small share sale under Rule 144. Trevor Gullo filed a notice to sell 587 shares of Corning common stock through UBS Financial Services on the NYSE, with an approximate sale date of 02/13/2026. These shares were acquired on 02/08/2026 via a restricted stock release from the issuer.
In the prior three months, Gullo sold 44 Corning common shares on 01/29/2026 for gross proceeds of 4,480 and another 44 shares on 02/12/2026 for gross proceeds of 5,971. The filing states 857,360,396 Corning common shares were outstanding.
A shareholder of the issuer with symbol GLW has filed a Form 144 notice to sell 587 shares of common stock. The planned sale, through UBS Financial Services Inc. on the NYSE, has an aggregate market value of 76,957.2 and is targeted for 02/13/2026.
The shares to be sold were acquired on 02/08/2026 via a restricted stock release from the issuer. In the prior three months, the same seller, Trevor Gullo, sold 44 shares of common stock on two occasions, generating gross proceeds of 4,480 and 5,971, respectively.
Corning executive John Z. Zhang, Exec. Vice President & CCDO, reported an open-market sale of 1,531 shares of Corning common stock on February 12, 2026. The weighted average sale price was $133.7457 per share, across multiple trades.
After this transaction, Zhang directly owned 0 shares of Corning common stock. The shares were sold in several trades at prices ranging from $133.46 to $134.15, and detailed trade breakdowns are available upon request as noted in the filing.
Corning director Roger W. Ferguson Jr. acquired 1,806 restricted stock units (RSUs) on February 11, 2026 as an equity award at a grant price of $0 per unit. Following this grant, he directly holds 27,644 RSUs and 6,938 shares of Corning common stock.
The RSUs each represent a contingent right to receive one share of Corning common stock, with conversion and share distribution deferred until a date elected by Ferguson or upon his termination of service as a Corning director under the Non-Employee Directors' Deferred Compensation Plan.
Corning Incorporated director Pamela J. Craig reported an equity award on February 11, 2026. She received 1,806 restricted stock units (RSUs), classified as a grant or other acquisition at a price of $0 per unit.
Each RSU represents a contingent right to receive one share of Corning common stock. The company states that conversion of RSUs into common shares and distribution of that stock is deferred until a date elected by the director or until service as a Corning director ends. Following this grant, one of Craig’s RSU positions shows 26,703 RSUs held directly.
Corning director Leslie A. Brun received a grant of 1,806 restricted stock units (RSUs) on February 11, 2026, recorded at a price of $0 per unit as a grant or award. After this transaction, Brun directly beneficially owned 44,218 RSUs.
Each RSU represents a contingent right to receive one share of Corning common stock. The conversion of these RSUs into shares, and the distribution of those shares, is deferred until a date elected by Brun or upon the end of service as a Corning director. The filing also notes existing RSU holdings of 977 and 1,663 units, all held directly.
Corning Incorporated director Robert F. Cummings Jr. reported an equity compensation grant in the form of restricted stock units (RSUs). On February 11, 2026, he acquired 1,806 RSUs at a stated price of $0 under Corning’s director compensation arrangements.
After this grant, Cummings directly held 52,853 RSUs and 151,199 shares of Corning common stock. Each RSU represents a contingent right to receive one share of common stock, with delivery generally deferred until a date elected by the director or upon termination of board service.
Corning Incorporated filed its 2025 annual report detailing a diversified materials and technology business centered on glass, ceramics and optical physics. The company operates five main segments: Optical Communications contributed 38% of 2025 segment net sales, Display 23%, Specialty Materials 13%, Automotive 11% and Life Sciences 6%, with Hemlock and Emerging Growth Businesses adding 9%.
Corning reports 128 manufacturing plants in 14 countries and about 55.6 million square feet of facilities, with 47.1 million square feet devoted to manufacturing. As of June 30, 2025, the aggregate market value of common stock held by non‑affiliates was approximately $45 billion, and there were 857,948,109 shares outstanding as of January 30, 2026.
The company emphasizes innovation, noting about 370 U.S. patents and over 970 non‑U.S. patents granted in 2025 and roughly 11,375 unexpired patents worldwide at year‑end. It highlights extensive risk factors, including supply chain disruptions, inflationary pressures, cybersecurity, regulatory changes, global economic uncertainty and concentrated customer exposure, while also outlining strong human capital programs, a 2025 Total Recordable Incident Rate of 0.26 and ongoing environmental investments, including $7.9 million in 2025 pollution‑control capital spending and an estimated $18.9 million for 2026.