GLW — CORNING INC /NY SEC Filings

Insider Activity

In the 90 days to Feb 26, 2026: 12 sold $40.6M.

Date	Insider	Action	Shares	Price	Value
Feb 26, 2026	Weeks Wendell PChairman, CEO and President	Sell	137,514	$155.37	$21.4M
Feb 13, 2026	Gullo Michelle LSenior Vice President & CHRO	Sell	587	$131.11	$77K
Feb 12, 2026	Zhang John ZExec. Vice President & CCDO	Sell	1,531	$133.75	$205K
Feb 12, 2026	Gullo Michelle LSenior Vice President & CHRO	Sell	44	$135.83	$6K
Feb 11, 2026	Nelson Avery H IiiExecutive Vice President & COO	Sell	1,583	$128.74	$204K
Feb 10, 2026	Steverson Lewis AVice Chairman, EVP and CLAO	Sell	15,366	$130.22	$2.0M
Feb 9, 2026	Kammerud Jordana DarylSVP	Sell	30,000	$127.67	$3.8M
Feb 9, 2026	Musser Eric SOther	Sell	15,000	$130.25	$2.0M
Feb 9, 2026	Nelson Avery H IiiExecutive Vice President & COO	Sell	6,262	$129.79	$813K
Feb 4, 2026	Fang LiSVP, Corning Intl & NBD, Solar	Sell	9,797	$113.51	$1.1M
Feb 2, 2026	Musser Eric SOther	Sell	25,000	$110.00	$2.8M
Feb 2, 2026	O'Day Michael PaulSVP and GM, Optical Comm.	Sell	5,051	$110.52	$558K
Jan 29, 2026	Schlesinger Edward AExec. Vice President and CFO	Sell	21,104	$104.55	$2.2M
Jan 29, 2026	Gullo Michelle LSenior Vice President & CHRO	Sell	44	$102.40	$5K
Dec 10, 2025	Verkleeren Ronald LSVP Emerging Innovations Group	Sell	21,000	$94.69	$2.0M
Dec 10, 2025	Seetharam SoumyaSenior Vice President & CDIO	Sell	16,547	$90.78	$1.5M
Oct 31, 2025	Steverson Lewis AVice Chairman, EVP and CLAO	Sell	23,142	$89.05	$2.1M
Oct 31, 2025	Schlesinger Edward AExec. Vice President and CFO	Sell	20,893	$91.25	$1.9M
Oct 29, 2025	Musser Eric SOther	Sell	100,000	$90.17	$9.0M
Oct 29, 2025	Becker StefanSVP, Finance & Corp Controller	Sell	12,100	$91.28	$1.1M

Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.

What Changed

Risk factors · Feb 13, 2025 → Feb 12, 2026

14 added · 6 removed between the two most recent 10-Ks. The risks a company starts — or stops — disclosing are often the story.

Newly disclosed

Further, the optical communications business faces risks related to fluctuations in telecommunication and hyperscale data center capital spending, which may negatively affect the demand for our products and have a material adverse impact on our financial results.
Risks associated with the launch of a new business Launching new businesses involves inherent risks, including execution challenges, regulatory compliance, supply chain complexity, and uncertainty in market demand and competitive conditions.
In connection with our recent entry into the solar industry, we face risks specific to this sector, such as dependence on government manufacturing tax incentives, exposure to policy and regulatory changes, and complexities in sourcing specialized components.
We may experience difficulties in enforcing our intellectual property rights, which could result in loss of market share and decreased sales and profits, and we may be subject to claims of infringement of the intellectual property rights of others We rely on patent and trade secret laws, copyright, trademark, confidentiality procedures, controls and contractual commitments to protect our intellectual property rights.
If our investments do not provide a pipeline of products or technologies that our customers demand or lower our manufacturing costs, or if our products or technologies become obsolete or disrupted by emerging technologies, it could negatively impact our revenue and operating margins for both near- and long-term.
Our innovation model depends on our ability to attract and retain specialized expertise Our innovation model requires us to employ highly specialized experts in glass science, ceramic science and optical physics to conduct our research and development and engineer our products and design our manufacturing facilities.
Additionally, we rely on a global supply chain for key components and capabilities that are central to our ability to invent, make and sell products. 15 Table of Contents Compliance with multiple legal and regulatory requirements increases our costs.
Due to the specialized nature of our products and single-site manufacturing locations, in the event such a location experiences disruption, it may not be possible to find replacement capacity or substitute production from other facilities.
We may have significant exposure to counterparties of our related derivatives portfolio We maintain a significant portfolio of over-the-counter derivatives to hedge our projected currency exposure.
These factors, along with market volatility and evolving industry standards, could further impact the profitability of this business.
These factors could materially impact our results of operations, anticipated future results, financial position and cash flows.
These factors may affect our ability to achieve anticipated returns and strategic objectives.

No longer disclosed

Due to the specialized nature of our products and single-site manufacturing locations, in the event such a location experiences disruption, it may not be possible to find replacement capacity or substitute production from other facilities. 14 Table of Contents We may experience difficulties in enforcing our intellectual property rights, which could result in loss of market share and decreased sales and profits, and we may be subject to claims of infringement of the intellectual property rights of others We rely on patent and trade secret laws, copyright, trademark, confidentiality procedures, controls and contractual commitments to protect our intellectual property rights.
If our investments do not provide a pipeline of products or technologies that our customers demand or lower our manufacturing costs, or if our products or technologies become obsolete or disrupted by emerging technologies, it could negatively impact our revenue and operating margins for both near- and long-term. 15 Table of Contents Our innovation model depends on our ability to attract and retain specialized expertise Our innovation model requires us to employ highly specialized experts in glass science, ceramic science and optical physics to conduct our research and development and engineer our products and design our manufacturing facilities.
These factors could materially impact our results of operations, anticipated future results, financial position and cash flows. 17 Table of Contents We may have significant exposure to counterparties of our related derivatives portfolio We maintain a significant portfolio of over-the-counter derivatives to hedge our projected currency exposure.
Additionally, we rely on a global supply chain for key components and capabilities that are central to our ability to invent, make and sell products.
Additionally, gains or losses may be experienced if the underlying exposure which has been hedged increases or decreases significantly.
Compliance with multiple legal and regulatory requirements increases our costs.

CORNING INC /NY

Similar companies

Insider Activity

In the News

What Changed