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 filed a Form 144 notice for a proposed sale of 20,893 shares of common stock, with an aggregate market value of $1,906,486.25. The approximate sale date is 10/31/2025, using UBS Financial Services Inc. as broker, and listing the NYSE as the exchange.
The filing shows the shares derive from a performance stock release of 12,049 shares on 04/14/2023 and a stock option exercise of 8,844 shares on 10/31/2025. The filing also lists 856,618,711 shares outstanding.
Corning Incorporated (GLW) reported stronger Q3 2025 results. Net sales were $4,100 million, up from $3,391 million a year ago, and operating income rose to $589 million from $302 million. Net income attributable to Corning was $430 million versus a loss of $117 million last year, with diluted EPS of $0.50 versus $(0.14). Gross margin reached $1,520 million.
Growth was broad-based: optical communications products $1,652 million, display products $773 million, specialty materials $617 million, automotive $453 million, life sciences $241 million, and polycrystalline silicon $285 million. Year-to-date operating cash flow was $1,643 million; capital expenditures were $850 million.
Cash and cash equivalents were $1,648 million and long-term debt was $7,407 million at September 30, 2025. The company closed a $278 million acquisition of a U.S. solar module manufacturing facility and recognized a $762 million finance lease for a Michigan solar facility alongside $181 million of Section 48D credits. A quarterly dividend of $0.28 per share was declared on October 8, 2025. Shares outstanding were 857,360,396 as of October 23, 2025.
Corning (GLW) insider transaction: The company’s SVP and Chief Technology Officer filed a Form 4 reporting a bona fide gift of 2,650 shares of common stock on 10/30/2025 at a reported price of $0. Following the transaction, direct beneficial ownership is 86,072 shares.
The filing also lists indirect ownership of 2,588.4499 units held as trustee under an employee benefit plan. The filing notes these units represent holdings in a unitized stock fund through the issuer’s 401(k) retirement plan as of September 30, 2025.
Corning Inc. (GLW): Insider stock sale reported. The company’s SVP, Finance & Corporate Controller reported an open‑market sale of 12,100 shares of common stock on 10/29/2025, coded “S.” The shares were sold at a weighted average price of $91.2839, with individual trade prices ranging from $91.2600 to $91.3600.
Following the transaction, the reporting person directly beneficially owns 5,049 shares.
Corning (GLW) filed a Form 4 showing that a Retired President sold 100,000 shares of common stock on 10/29/2025 at a weighted average price of $90.1734. The filing notes the sales occurred across multiple trades between $89.805 and $90.6. Following the transaction, the reporting person beneficially owns 44,926 shares, held directly. This was a personal stock sale and does not involve the company receiving proceeds.
GLW: A holder filed a Form 144 notice to sell 12,100 shares of common stock. The filing lists an aggregate market value of $1,104,531 and an approximate sale date of 10/29/2025.
The shares may be sold on the NYSE through UBS Financial Services Inc. The notice identifies how the shares were obtained: restricted stock releases on 02/08/2025 (16 shares) and 04/15/2025 (6,461 shares), and a performance stock release on 04/15/2025 (5,623 shares).
Corning (GLW) insider Eric Musser filed a Form 144 notice to sell 100,000 common shares, reflecting an aggregate market value of 9,017,237, with an approximate sale date of 10/29/2025 on the NYSE. UBS Financial Services Inc. is listed as the broker.
The shares to be sold were acquired through performance and restricted stock releases across multiple dates, which together total 100,000 shares. Recent activity shows sales over the past three months: 20,000 shares for 1,317,550 on 08/08/2025, 18,850 shares for 1,231,158 on 08/12/2025, and 20,000 shares for 1,404,579 on 09/05/2025. Shares outstanding are listed at 856,618,711.
Corning Incorporated (GLW) furnished an 8-K to announce that its press release dated October 28, 2025 covering financial results for the third quarter ended September 30, 2025 is attached as Exhibit 99.
The company states that, under General Instruction B.2 to Item 2.02, this information is furnished and not filed, and is not subject to Section 18 liability or incorporated by reference unless expressly stated. The filing also lists Exhibit 104 for the cover page Inline XBRL.
Corning Incorporated (GLW) reported a Form 4 showing that director Ami Badani was awarded 675 restricted stock units (RSUs) as the annual equity retainer on 10/08/2025. Each RSU represents a contingent right to receive one share of Corning common stock; the RSUs convert to shares and any distribution is deferred until the participant’s elected distribution date or termination of service as a director. The filing was signed under power of attorney on 10/10/2025. The transaction was recorded as an acquisition of derivative securities (RSUs) with 675 underlying common shares and zero exercise price, and the reported ownership following the grant is 675 shares held directly.
Corning Inc. (GLW) Form 3 shows that Ami Badani is reported as a director and filed an initial statement for the event dated 10/07/2025. The filing discloses no non-derivative or derivative securities beneficially owned by the reporting person at the time of the statement. The form is signed by a power of attorney on 10/10/2025.