Every Form 4 that Corning (GLW) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow GLW and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full GLW filings page.
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.
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.
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.
Kevin J. Martin, a director of Corning Incorporated (GLW), reported changes in beneficial ownership on a Form 4 covering transactions dated 09/30/2025. The filing shows a disposition of 31,506 shares of Corning common stock. The report also details existing and resulting holdings of restricted stock units (RSUs): 888, 1,544, and 51,047 underlying shares, and a grant of 411 RSUs on 09/30/2025 priced at $82.03 per share, with 19,455 shares reported as beneficially owned following the RSU acquisition line. RSUs are described as contingent rights to receive one share each, with conversion and distribution deferred until an elected date or termination of service.
Roger W. Ferguson Jr., a director of Corning Incorporated (GLW), reported changes in his holdings on a Form 4 covering transactions dated 09/30/2025. The filing shows a disposition of 6,938 shares of common stock and a grant/exercise movement of 488 restricted stock units (RSUs) with an indicated price of $82.03. After the reported transactions, the director beneficially owns 15,801 shares attributable to RSUs that are direct holdings.
The filing also lists previously held RSUs: 923 and 25,838 units described as director retainer awards and deferred compensation plan awards. The RSUs convert to common stock when distributed per the participant's election or upon termination of director service. The Form 4 was signed by power of attorney Melissa J. Gambol on 10/02/2025.
Robert F. Cummings Jr., a director of Corning Incorporated (GLW), reported changes in beneficial ownership on 09/30/2025. The filing shows a disposition of 151,199 shares of Corning common stock and the conversion/holding of restricted stock units (RSUs): 1,059, 1,841, and 51,047 RSUs previously outstanding, plus a grant of 488 RSUs under the Non-Employee Directors' Deferred Compensation Plan. After the reported transactions, the total shares shown as beneficially owned following the RSU conversion line is 129,841. The RSUs represent contingent rights to receive one share each, with distribution deferred until the participant's elected date or termination of director service.
Stephanie Burns, a Corning Inc. (GLW) director, reported changes in her beneficial ownership on 09/30/2025. The filing shows a disposition of 56,888 shares of Corning common stock, leaving a reported direct beneficial ownership of 107 shares. The filing also details restricted stock units (RSUs) held and converted: 51,047 RSUs from annual retainer, 1,817 and 1,045 RSUs from other grants, and a grant conversion of 469 RSUs acquired on 09/30/2025 at a reported price of $82.03 per share.
The RSUs are deferred under Corning’s director plans and convert to common stock on elected distribution dates or upon termination of service. The Form 4 was signed via power of attorney on 10/02/2025.
Corning Inc. (GLW) Director/officer Eric S. Musser reported multiple equity transactions dated 09/30/2025. He received 525 performance-share units and 1,132 restricted-stock units that vested (recorded as acquisitions at $0), and reported sales of 269 and 1,132 shares at $82.03 per share. Following the transactions his direct common-stock holdings were reported at 146,058 shares. The Form 4 discloses forfeitures at retirement of 2,622 PSUs and 8,234 RSUs and shows remaining outstanding PSUs and RSUs by vesting schedule through 2028.
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.
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.