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.
Corning Inc. Chairman, CEO and President Wendell P. Weeks exercised derivative awards into common stock and had shares withheld for taxes. He converted 235,610 performance share units and 104,474 restricted stock units into an equal number of common shares. To cover tax obligations, 165,622 common shares were disposed of at $168.27 per share, a tax-withholding transaction rather than an open-market sale. Following these moves, he directly holds 908,353 common shares, along with additional indirect positions reported for his spouse and employee benefit plans.
Corning Incorporated executive John Z. Zhang, Exec. Vice President & CCDO, exercised equity awards that converted into common stock and triggered a tax share withholding. On April 15, 2026, he exercised performance share units and restricted stock units covering 61,571 shares of common stock in total, reflected as derivative exercises.
Following these exercises, 31,433 common shares were withheld in a tax-withholding disposition at an indicated price of $168.27 per share, leaving Zhang with 30,138 common shares held directly after the reported transactions. He also continues to hold multiple performance share unit and restricted stock unit awards that remain subject to future service-based vesting on dates ranging from April 15, 2026 through April 16, 2029.
Corning Incorporated senior vice president Ronald L. Verkleeren reported equity compensation activity involving performance share units, restricted stock units, and common stock. On April 15, 2026, he exercised derivative awards, converting 32,571 performance share units and 14,332 restricted stock units into the same number of Corning common shares.
Following these conversions, a total of 22,843 common shares were disposed of to satisfy tax obligations through a tax-withholding disposition, not an open-market sale, at a reported price of $168.27 per share. After the transactions, he directly held 58,143 shares of Corning common stock.
The filing also shows remaining unvested equity awards. These include performance share units covering 24,543 and 8,145 underlying shares and restricted stock units covering 15,333, 11,612, and 4,056 underlying shares. Footnotes indicate these units vest between April 15, 2026 and April 16, 2029, subject to service-based vesting conditions and certain events such as retirement, death, or disability.
Corning Incorporated vice chairman Lewis A. Steverson exercised equity awards and increased his direct share holdings. On April 15, 2026, he converted 71,118 performance share units and 31,109 restricted stock units into the same number of Corning common shares at an exercise price of $0.00 per share.
To cover tax obligations, 49,786 common shares were withheld at $168.27 per share in a tax-withholding disposition, not an open-market sale. After these transactions, Steverson directly holds 55,902 common shares, along with significant remaining unvested performance and restricted stock units that vest between April 15, 2026 and April 16, 2029, subject to service-based vesting conditions.
Corning Incorporated Senior Vice President & CDIO Soumya Seetharam exercised equity awards and received additional common shares. On April 15, 2026, performance share units and restricted stock units covering 44,780 shares of common stock were converted into shares at a $0.00 exercise price.
Of these shares, 17,622 were withheld at $168.27 per share to cover tax obligations, a non-market disposition. Following these transactions, Seetharam directly held 45,570 shares of Corning common stock, along with remaining unvested performance and restricted stock units scheduled to vest between 2026 and 2029.
Corning Inc. Executive Vice President and CFO Edward A. Schlesinger reported equity award activity involving performance share units, restricted stock units, and common stock. On April 15, 2026, he exercised derivative awards covering 63,069 shares of common stock, converting performance share units and restricted stock units into common shares.
Of the resulting common stock, 30,715 shares were disposed of at $168.27 per share as a tax-withholding transaction rather than an open-market sale. After these transactions, he directly held 87,826 shares of common stock.
He also continues to hold unvested performance share units and restricted stock units with a zero exercise price, each representing a contingent right to receive one share of Corning common stock. Footnotes state that earned performance share units and restricted stock units generally vest between April 2026 and April 2029, subject to service-based vesting requirements and certain earlier-vesting events.
Corning SVP and GM of Optical Communications Michael Paul O'Day exercised equity awards and increased his direct common stock holdings. On April 15, 2026, he converted 14,092 performance share units and 6,244 restricted stock units into the same number of Corning common shares at a stated price of $0.00 per share.
To cover tax obligations, 8,410 common shares were withheld at $168.27 per share, a non‑market, tax-withholding disposition rather than an open-market sale. After these transactions, he directly holds 42,618 common shares. He also continues to hold multiple performance share unit and restricted stock unit awards that vest between April 2026 and April 2029, each representing a contingent right to receive one share of common stock upon service-based vesting.
Corning Incorporated Executive Vice President & COO Nelson Avery H III exercised equity awards and adjusted his holdings in company stock. On April 15, 2026, he exercised performance share units and restricted stock units to acquire 59,011 shares of common stock at an exercise price of $0.00 per share.
To cover tax obligations tied to these awards, 28,740 common shares were disposed of through a tax-withholding transaction at $168.27 per share, a non-market sale. Following these transactions, he holds 90,059 common shares directly and 3,847.9383 shares indirectly through a unitized stock fund in the company’s 401(k) plan as of March 31, 2026.
He also continues to hold unvested performance share units and restricted stock units representing additional shares of Corning common stock, with vesting dates in 2026, 2027, 2028, and 2029, subject to service-based vesting conditions and specified events such as retirement, death, or disability.
Corning Incorporated senior vice president Jordana Daryl Kammerud exercised stock-based awards and settled related taxes in shares. On April 15, 2026, she converted 12,845 performance share units and 5,670 restricted stock units into the same number of Corning common shares.
To cover tax obligations, 9,018 common shares were withheld at $168.27 per share. After these transactions, she directly held 12,269 common shares. She also continues to hold performance share units and restricted stock units that can convert into 20,559, 2,714, 9,923, and 3,804 underlying common shares, subject to service-based vesting through 2028.
Corning Senior Vice President & CHRO Michelle L. Gullo exercised equity awards and increased her direct common stock holdings. On April 15, 2026, she exercised performance share units and restricted stock units that together delivered 13,149 shares of Corning common stock. As part of the same event, 6,198 shares were withheld at a price of $168.27 per share to cover tax obligations, which is not an open-market sale. Following these transactions, she directly holds 42,951 shares of common stock. She also retains unvested performance and restricted stock units tied to Corning common stock that are scheduled to vest between April 2026 and April 2029, subject to service-based vesting conditions.