Corning SEC Filings

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.

Ronald L. Verkleeren, SVP Emerging Innovations Group at Corning Incorporated (GLW), reported transactions dated 08/08/2025. The filing shows 2,476 shares were acquired upon vesting of restricted stock units at a $0 price, increasing reported beneficial ownership to 56,764 shares, and a disposal of 1,264 shares at $65.77 per share, leaving 55,500 shares. The Form 4 also discloses outstanding restricted stock unit awards of 16,070, 12,187, and 15,021 shares with vesting dates of April 15, 2027, April 14, 2028, and April 15, 2026, respectively. The RSUs granted on February 8, 2023 follow a schedule that vests one-third after one year and then additional installments until the third anniversary.

Steverson Lewis A, Vice Chairman, EVP and CLAO of Corning Incorporated (GLW), reported insider transactions dated 08/08/2025. He received 1,958 shares through conversion of performance share units at no cash cost, which the filing shows increased his direct common stock holdings to 41,717 shares. On the same date he sold 1,000 shares at $65.77, recorded as a disposal that left 40,717 shares beneficially owned. The filing also discloses substantial remaining restricted performance share units of 36,243 (vesting and converting April 15, 2026) and 30,292 (vesting and converting April 15, 2027). The report includes standard vesting schedule details for previously earned PSUs.

Seetharam Soumya, Senior Vice President & CDIO of Corning Incorporated (GLW), reported insider transactions dated 08/08/2025. The filing shows an acquisition (Code M) of 2,260 common shares at $0 and a sale (Code F) of 875 common shares at $65.77. Following these transactions the report lists 27,260 shares beneficially owned after the acquisition and 26,385 after the sale, as shown in the form.

The report also details multiple restricted stock unit (RSU) positions convertible into common stock: 14,692, 12,187, and 13,734 RSUs, plus 2,260 RSUs referenced with the 08/08/2025 transaction. The filing states each RSU represents a contingent right to one share and lists vesting dates of 04/15/2026, 04/15/2027, and 04/14/2028, with an additional vesting schedule for RSUs granted 02/08/2023. The form is signed by Power of Attorney Melissa J. Gambol on 08/12/2025.

Edward A. Schlesinger, Executive Vice President and Chief Financial Officer of Corning Incorporated (GLW), reported insider transactions affecting his direct holdings of common stock and his performance share units (PSUs). On 08/08/2025 he acquired 1,415 shares (transaction code M) at $0 and sold 723 shares (transaction code F) at $65.77, leaving reported beneficial ownership of 79,008 shares following the transactions and a prior reported level of 79,731 after the acquisition line. The filing also lists derivative holdings comprising PSUs representing 22,412 and 19,929 shares, plus an additional 1,415 PSUs converted to common stock; the PSUs have staggered vesting with restrictions remaining until April 15, 2026 and April 15, 2027, and a stated vesting schedule for PSUs earned February 7, 2024 that vests in portions through the third anniversary of the grant date.

Michael Paul O'Day, SVP and GM, Optical Communications at Corning Incorporated (GLW), reported insider activity on 08/08/2025. On that date 1,091 shares were acquired at $0 by conversion of restricted stock units, increasing reported holdings to 36,834 shares. The filing also shows a contemporaneous disposition of 477 shares at $65.77, which reduced reported holdings to 36,357. The report lists outstanding restricted stock units of 6,460, 15,316, and 6,244 with vesting dates of April 15, 2026, April 15, 2027, and April 14, 2028. It also notes RSUs from a February 8, 2023 grant that vest according to a 1/3 then 1/6 schedule until fully vested on the third anniversary.