Corning Incorporated (GLW) Form 4 Filings

Corning Inc. executive vice president and CFO Edward A. Schlesinger reported an option exercise and share sale. On January 29, 2026, he exercised 8,925 stock options at $19.65 per share, receiving the same number of Corning common shares.

That same day, he sold 21,104 common shares at a weighted average price of $104.5454, with individual trades ranging from $104.06 to $105.04. After these transactions, he directly owns 54,780 Corning common shares and holds no remaining options from this grant.

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.

Corning Incorporated executive reports RSU exercise and tax withholding. A senior vice president at Corning converted 575 restricted stock units into common shares on 01/02/2026 at an exercise price of $0. On the same day, 575 common shares were disposed of at $90.67, consistent with shares being withheld to cover taxes.

After these transactions, the executive directly owns 32,500 shares of Corning common stock. The filing also shows ongoing equity incentives, including restricted stock units tied to Corning common stock in amounts of 2,476, 15,333, 14,332, and 11,612 units, which vest on various schedules through 2028.

Corning Incorporated’s Executive Vice President & COO reported equity transactions dated 01/02/2026. The filing shows the exercise of 1,005 shares of common stock from restricted stock units at an exercise price of $0 (coded "M"), followed by the disposal of 1,005 shares at $90.67 (coded "F"), typically reflecting shares withheld to cover taxes. After these transactions, the executive directly beneficially owned 66,050 shares of Corning common stock and indirectly held 3,839.6749 units as trustee under the company’s 401(k) retirement plan as of December 31, 2025. The report also lists several blocks of restricted stock units that vest on scheduled dates through 2028, each representing a right to receive one share of Corning common stock upon vesting.

Corning Incorporated director reported updated equity holdings. A Form 4 filing shows that on 12/31/2025 the director acquired 385 restricted stock units (RSUs), each representing a contingent right to receive one share of Corning common stock, at a derivative price of $87.56.

After this transaction, the director beneficially owned 19,840 derivative securities in the form of RSUs and 31,506 shares of Corning common stock directly. The RSUs convert into common stock and are distributed on a deferred basis, either on a date elected by the director or upon termination of service as a Corning director, including units granted under the Non-Employee Directors' Deferred Compensation Plan.

Corning Inc. director reported equity holdings and awards in this insider ownership update. The earliest reported transaction date is 12/31/2025, and the filing shows both common stock and restricted stock units (RSUs).

The director holds 6,938 shares of Corning common stock directly. In addition, the filing lists multiple RSU positions that each represent a contingent right to receive one share of Corning common stock, including awards granted as an annual equity retainer and under the Non-Employee Directors' Deferred Compensation Plan.

The RSUs generally convert into common stock and are distributed only on a specific deferred date chosen by the director or upon termination of service as a Corning director, so these units function as deferred equity compensation rather than immediate stock ownership.

Corning Incorporated director reports updated equity holdings. A Form 4 filing shows that on 12/31/2025, a non-employee director received 457 restricted stock units (RSUs) of Corning common stock under the Non-Employee Directors' Deferred Compensation Plan at a reference price of $87.56 per unit. Each RSU represents a contingent right to receive one share of common stock, with conversion and distribution deferred until a date elected by the director or upon termination of service.

Following this transaction, the director directly owns 151,199 shares of Corning common stock and holds 130,298 derivative securities in the form of RSUs, including prior RSU awards of 1,059, 1,841 and 51,047 units.

Corning Incorporated director equity holdings and awards are reported in this Form 4 for the earliest transaction date of 12/31/2025. The reporting person shows beneficial ownership of 56,888 shares of Corning common stock held directly and 107 shares held indirectly through a trust.

The filing also details several restricted stock unit (RSU) positions. One line reflects RSUs that constitute the annual equity retainer, where each RSU represents a contingent right to receive one share of Corning common stock. Other RSUs are granted under the Non-Employee Directors' Deferred Compensation Plan, likewise tied one-for-one to common shares.

For these RSUs, the conversion into common stock and distribution are deferred until a specific date elected by the director or termination of service as a Corning director, as described in the footnotes. This structure means the director’s economic exposure to Corning equity is larger than the currently issued shares alone.

Corning Inc. reported an insider stock gift by one of its officers. On 12/19/2025, the officer, listed as SVP Emerging Innovations Group, made a charitable gift of 2,000 shares of Corning common stock. The transaction is coded as a gift and is reported at a price of $0, reflecting that no sale proceeds were received.

After this donation, the officer directly beneficially owns 32,500 shares of Corning common stock. The filing notes that the shares were gifted to a charitable donor advised fund, indicating the transaction was for philanthropic purposes rather than a market sale.

Corning Inc. reported an insider stock gift by its SVP and GM, Optical Comm.

On 12/15/2025, the officer made a gift of 1,391 shares of Corning common stock, described as a transfer to a charitable donor advised fund at a price of $0 per share. Following this transaction, the insider beneficially owns 34,966 common shares with direct ownership.

Corning Inc. reported insider selling by a senior executive. On 12/10/2025, the company’s SVP of Emerging Innovations Group sold 21,000 shares of Corning common stock in open-market transactions.

The weighted average sale price was about $94.6943 per share, with individual trades executed between $94.66 and $94.75. After these sales, the reporting person directly beneficially owned 34,500 shares of Corning common stock.

The transactions were disclosed on a Form 4 filed under insider reporting rules, and the filer has agreed to provide detailed breakdowns of the individual sale prices upon request.

Corning Incorporated reported an insider stock sale by a senior executive. On 12/10/2025, an officer serving as Senior Vice President & Chief Digital and Information Officer sold 16,547 shares of Corning common stock in an open-market transaction. The sale is reported as a disposition at a weighted average price of $90.784 per share.

After this transaction, the executive directly beneficially owns 16,756 shares of Corning common stock. The filing notes that the reported price reflects multiple trades executed within a range of $90.35 to $90.97 per share, and that full trade-by-trade details are available upon request.

Corning Inc. reported an insider equity transaction by a senior vice president and Chief Digital & Information Officer. On 12/08/2025, 9,838 shares of Corning common stock were disposed of at $88.27 per share to cover the reporting person's tax withholding obligation upon the vesting of restricted stock. After this tax-related share withholding, the insider directly beneficially owns 33,303 shares of Corning common stock. This type of transaction does not represent an open-market sale for investment purposes, but rather an automatic share reduction tied to equity compensation.

Corning Inc. (GLW) chairman, CEO and president reports equity transfer. A Form 4 filing shows the insider, who is also a director, disposed of 24,322 shares of Corning common stock on 12/04/2025 in a transaction coded “G,” which indicates a gift, at a stated price of $0 per share. After this transaction, the insider directly beneficially owns 747,779 Corning shares, with additional indirect holdings including 9,200 shares held by a spouse, 7,098.3039 units held by the spouse through an employee benefit plan, and 11,700.9117 units held as trustee under an employee benefit plan. The filing notes it was submitted late due to an administrative error and states that the reporting person disclaims beneficial ownership of all securities held by the spouse.

Corning Incorporated reported an insider equity award for one of its senior executives. A Senior Vice President & Chief Digital and Information Officer acquired 16,756 shares of Corning common stock on December 3, 2025, recorded at a price of $0 per share, indicating a grant rather than an open-market purchase. Following this grant, the executive beneficially owns 43,141 shares, held directly. The filing notes that these shares were granted under the Incentive Stock Plan of Corning Incorporated and are subject to the restrictions and terms of an agreement dated December 3, 2025.

Corning Incorporated (GLW) officer equity transactions: On 11/21/2025, a senior vice president in the Emerging Innovations Group reported multiple equity-related transactions in a Form 4. Several restricted stock units and performance share units were converted to Corning common stock at an exercise price of $0, including 689, 737, 794, and 663 underlying shares. To cover taxes on these awards, 2,883 shares of common stock were disposed of at $79.46 under code “F”. Following these transactions, the reporting person directly owned 55,500 shares of Corning common stock, along with remaining restricted stock unit and performance share unit positions that vest over time, some through 2028.

Corning Incorporated (GLW) reported an insider transaction: its Vice Chairman, EVP and CLAO sold 23,142 shares of common stock on 10/31/2025 at a weighted average price of $89.0487, using Transaction Code S.

Following the sale, the reporting person beneficially owns 17,575 shares, held directly. The price reflects multiple trades executed between $88.93 and $89.14, as disclosed.

Corning (GLW) disclosed insider activity by its Executive Vice President and CFO. On 10/31/2025, the officer exercised 8,844 stock options at $33.92 per share (code M), acquiring the same number of common shares. The filing also reports a sale of 20,893 shares at $91.25 per share (code S). Following these transactions, the officer directly owns 66,959 shares.

The exercised options were granted on 04/01/2022 and expire on 04/01/2029; they vested 100% at the end of three years from the grant date.