Corning SEC Filings

Corning Inc. (GLW) insider Jaymin Amin executed option exercises and a stock sale on 09/17/2025. The reporting person exercised stock options at strike prices of $20.89 and $18.67 to acquire a total of 7,931 shares and simultaneously sold 17,721 shares at a weighted-average price of $77.1795. After these transactions the reporting person directly beneficially owned 88,722 shares. In addition, ownership includes 2,579.5507 units held indirectly in the issuer's 401(k) unitized stock fund as of August 31, 2025. The form was signed under power of attorney on 09/18/2025.

Corning Inc. (GLW) Form 144 notifies a proposed sale of 17,721 common shares through UBS Financial Services on the NYSE, with an aggregate market value of $1,367,672.30. The filing shows the securities were acquired in two events: 9,790 shares from a restricted stock release on 07/15/2024 and 7,931 shares from a stock option release on 09/17/2025. The filer reports no securities sold in the past three months and affirms no undisclosed material adverse information. The notice includes standard Rule 144 representations and a signature attesting to its accuracy.

Wendell P. Weeks, Chairman and CEO of Corning Inc. (GLW), reported a change in beneficial ownership on Form 4. The filing shows a disposition on 09/15/2025 coded G for 40,000 shares of Corning common stock, with 772,101 shares reported as beneficially owned directly after the transaction. The filing also reports indirect holdings: 9,200 shares held by spouse and additional indirect interests represented by 7,073.9212 units in a unitized 401(k) stock fund and 11,660.6822 units held as trustee under an employee benefit plan. The reporting person disclaims beneficial ownership of spouse-held securities. The form is signed by power of attorney on 09/16/2025.

Samsung Display Co., Ltd. reported ownership of 68,000,000 shares of Corning Incorporated common stock, representing 7.94% of the outstanding shares. The filing is a Schedule 13G/A dated for the event on 08/20/2025 and signed on 09/10/2025. The percentage is calculated using 856,618,711 shares outstanding as of July 25, 2025, per the issuer's disclosure filed August 1, 2025. The Reporting Person states the shares were not acquired for the purpose of changing or influencing control of the issuer and that ownership includes 68,000,000 shares with sole voting and dispositive power and 0 shares of shared power.

Mark S. Wrighton, an officer of Corning Incorporated (GLW), reported a non-derivative disposition of 4,467 shares of Corning common stock on 09/04/2025. Following the reported transaction the reporting person beneficially owned 61,621 shares. The Form 4 indicates the filing was made individually and lists Melissa J. Gambol as holding power of attorney on 09/08/2025.

Eric S. Musser, identified as President and a director of Corning Incorporated (ticker: GLW), reported the sale of 20,000 shares of Corning common stock on 09/04/2025 at a weighted-average price of $70.2312 per share. The filing states the sale occurred in multiple transactions at prices ranging from $70.06 to $70.345; the reporting person offers to provide a breakdown of shares sold at each price upon request. After the reported sale, the filing shows 144,670 shares beneficially owned by the reporting person. The Form 4 was filed by one reporting person and was signed by a power of attorney, Melissa J. Gambol, on 09/04/2025.

This Form 144 records a proposed sale of 20,000 common shares to be executed through UBS Financial Services on 09/04/2025, with an aggregate market value of $1,404,579.53. The filing reports 856,618,711 shares outstanding. It lists the seller's recent dispositions: sales of 18,850 shares on 08/12/2025 for $1,231,158, 20,000 shares on 08/07/2025 for $1,317,550, and 20,000 shares on 05/27/2025 for $1,022,259, each attributed to Eric Musser at an address in Corning, NY. The document also details the acquisition history for the securities sold, showing multiple restricted and performance stock releases between 04/15/2021 and 08/08/2024. By signing, the seller represents no knowledge of undisclosed material adverse information.

John Z. Zhang, Executive Vice President & Chief Commercial and Chief Digital Officer of Corning Incorporated (GLW), reported several equity transactions and outstanding restricted stock units. On 08/08/2025 he acquired 2,476 shares of common stock (code M) at a reported price of $0 and had a separate reported disposition entry of 1,264 shares at $65.77 showing 1,212 shares beneficially owned following that entry. On 08/12/2025 he sold 1,212 shares at a weighted average price of $65.5325, after which the reported direct common stock holding is 0.

Table II lists restricted stock units convertible into common stock: 22,498 (vests 4/15/2027), 24,374 (vests 4/14/2028), 18,884 (vests 4/15/2026), and 2,476 (subject to a multi-step vesting schedule beginning Feb 8, 2023). The total of these RSUs equals 68,232 units, all reported as direct beneficial holdings.

Wendell P. Weeks, Chairman and CEO of Corning Inc. (GLW), reported Form 4 transactions dated 08/08/2025 showing both equity conversions and a small sale.

The filing shows conversion/issuance of 5,733 shares at no cash price (reflecting performance share units converting to common stock), and a disposition of 2,927 shares at $65.77. Following the reported transactions, Mr. Weeks beneficially owned 815,028 shares directly. The Form 4 also reports material derivative holdings of performance share units: 120,655 and 100,840 PSUs, plus the 5,733 PSUs that converted on 08/08/2025.

The filing disclaims beneficial ownership of certain shares held by his spouse and notes unitized holdings in the issuer's 401(k) plan as of July 31, 2025. PSUs have specified vesting schedules, including conversions subject to service-based vesting with vesting dates referenced as April 15, 2026 and April 15, 2027, and a multi-step vesting schedule for PSUs earned February 7, 2024.