GLW Insider Trading
CORNING INC /NY | Drawing & Insulating of Nonferrous Wire
Comprehensive Trading Performance Summary
The investment history of corporate insiders at CORNING INC /NY provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Drawing & Insulating of Nonferrous Wire sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2026-02-14 00:00 | 2026-02-12 | Gullo Michelle L | Officer - Senior Vice President & CHRO | SELL | $131.44 | 631 | $82,939 | 36,000 | -1.7% |
| 2026-02-13 01:02 | 2026-02-12 | Zhang John Z | Officer - Exec. Vice President & CCDO | SELL | $133.75 | 1,531 | $204,765 | 0 | -100.0% |
| 2026-02-13 00:25 | 2026-02-11 | Nelson Avery H III | Officer - Executive Vice President & COO | SELL | $128.74 | 1,583 | $203,800 | 59,788 | -2.6% |
| 2026-02-12 00:25 | 2026-02-10 | STEVERSON LEWIS A | Officer - Vice Chairman, EVP and CLAO | OPT+S | $130.22 | 15,366 | $2,000,956 | 3,461 | 0.0% |
| 2026-02-12 00:14 | 2026-02-09 | Nelson Avery H III | Officer - Executive Vice President & COO | OPT+S | $129.79 | 6,262 | $812,722 | 61,371 | 0.0% |
| 2026-02-10 00:01 | 2026-02-09 | Kammerud Jordana Daryl | Officer - SVP | SELL | $127.67 | 30,000 | $3,830,019 | 2,772 | -91.5% |
| 2026-02-10 00:00 | 2026-02-09 | Musser Eric S | Other | SELL | $130.25 | 15,000 | $1,953,711 | 4,926 | -75.3% |
| 2026-02-06 00:05 | 2026-02-04 | Fang Li | Officer - SVP, Corning Intl & NBD, Solar | OPT+S | $113.51 | 9,797 | $1,112,077 | 0 | 0.0% |
| 2026-02-03 00:04 | 2026-02-02 | O'Day Michael Paul | Officer - SVP and GM, Optical Comm. | SELL | $110.52 | 5,051 | $558,232 | 29,915 | -14.4% |
| 2026-02-03 00:00 | 2026-02-02 | Musser Eric S | Other | SELL | $110.00 | 25,000 | $2,750,080 | 19,926 | -55.6% |
| 2026-01-31 00:00 | 2026-01-29 | Gullo Michelle L | Officer - Senior Vice President & CHRO | SELL | $102.40 | 44 | $4,505 | 0 | -100.0% |
| 2026-01-30 00:06 | 2026-01-29 | Schlesinger Edward A | Officer - Exec. Vice President and CFO | OPT+S | $104.55 | 21,104 | $2,206,326 | 54,780 | 0.0% |
| 2025-12-12 00:03 | 2025-12-10 | Verkleeren Ronald L | Officer - SVP Emerging Innovations Group | SELL | $94.69 | 21,000 | $1,988,580 | 34,500 | -37.8% |
| 2025-12-12 00:00 | 2025-12-10 | Seetharam Soumya | Officer - Senior Vice President & CDIO | SELL | $90.78 | 16,547 | $1,502,203 | 16,756 | -49.7% |
| 2025-11-04 00:29 | 2025-10-31 | STEVERSON LEWIS A | Officer - Vice Chairman, EVP and CLAO | SELL | $89.05 | 23,142 | $2,060,765 | 17,575 | -56.8% |
| 2025-11-04 00:27 | 2025-10-31 | Schlesinger Edward A | Officer - Exec. Vice President and CFO | OPT+S | $91.25 | 20,893 | $1,906,486 | 66,959 | 0.0% |
| 2025-10-30 23:05 | 2025-10-29 | Becker Stefan | Officer - SVP, Finance & Corp Controller | SELL | $91.28 | 12,100 | $1,104,535 | 5,049 | -70.6% |
| 2025-10-30 23:00 | 2025-10-29 | Musser Eric S | Other | SELL | $90.17 | 100,000 | $9,017,340 | 44,926 | -69.0% |
| 2025-09-18 23:03 | 2025-09-17 | Amin Jaymin | Officer - SVP and Chief Tech. Officer | OPT+S | $77.18 | 17,721 | $1,367,698 | 88,722 | 0.0% |
| 2025-09-04 23:00 | 2025-09-04 | Musser Eric S | Officer - President | SELL | $70.23 | 20,000 | $1,404,624 | 144,670 | -12.1% |
| 2025-08-12 23:10 | 2025-08-12 | Zhang John Z | Officer - Exec. Vice President & CCDO | OPT+S | $65.53 | 1,212 | $79,425 | 0 | 0.0% |
| 2025-08-12 23:03 | 2025-08-11 | Musser Eric S | Officer - President | OPT+S | $65.31 | 18,850 | $1,231,184 | 164,670 | 0.0% |
| 2025-08-08 23:04 | 2025-08-07 | WEEKS WENDELL P | Director, Officer - Chairman and CEO | SELL | $65.19 | 82,103 | $5,351,933 | 809,295 | -9.2% |
| 2025-08-08 23:02 | 2025-08-07 | Musser Eric S | Officer - President | SELL | $65.88 | 20,000 | $1,317,576 | 163,130 | -10.9% |
| 2025-07-31 23:18 | 2025-07-30 | Schlesinger Edward A | Officer - Exec. Vice President and CFO | SELL | $62.28 | 14,082 | $877,013 | 78,316 | -15.2% |
| 2025-07-31 23:11 | 2025-07-30 | STEVERSON LEWIS A | Officer - Vice Chairman, EVP and CLAO | SELL | $62.22 | 16,646 | $1,035,774 | 39,759 | -29.5% |
| 2025-07-31 23:07 | 2025-07-30 | O'Day Michael Paul | Officer - SVP and GM, Optical Comm. | SELL | $62.36 | 14,879 | $927,912 | 35,743 | -29.4% |
| 2025-07-31 23:00 | 2025-07-30 | Nelson Avery H III | Officer - Executive Vice President & COO | OPT+S | $62.26 | 36,240 | $2,256,357 | 64,838 | 0.0% |
| 2025-06-12 23:18 | 2025-06-11 | Verkleeren Ronald L | Officer - SVP Emerging Innovations Group | SELL | $50.52 | 20,000 | $1,010,406 | 54,288 | -26.9% |
| 2025-06-10 23:08 | 2025-06-06 | Musser Eric S | Officer - President and COO | SELL | $51.11 | 20,000 | $1,022,284 | 183,130 | -9.8% |
| 2025-06-04 23:01 | 2025-06-02 | Schlesinger Edward A | Officer - Exec. Vice President and CFO | SELL | $49.85 | 4,464 | $222,534 | 92,398 | -4.6% |
| 2025-06-03 00:16 | 2025-05-29 | Seetharam Soumya | Officer - Senior Vice President & CDIO | SELL | $50.01 | 6,505 | $325,285 | 25,000 | -20.6% |
| 2025-05-29 23:08 | 2025-05-29 | Becker Stefan | Officer - SVP, Finance & Corp Controller | SELL | $49.68 | 17,106 | $849,838 | 16,117 | -51.5% |
| 2025-05-29 23:07 | 2025-05-28 | Zhang John Z | Officer - Exec. Vice President & CCDO | SELL | $49.29 | 9,610 | $473,679 | 0 | -100.0% |
| 2025-05-29 23:06 | 2025-05-28 | Seetharam Soumya | Officer - Senior Vice President & CDIO | SELL | $50.01 | 14,313 | $715,797 | 31,505 | -31.2% |
| 2025-05-13 23:02 | 2025-05-12 | Zhang John Z | Officer - Exec. Vice President & CCDO | SELL | $46.91 | 8,000 | $375,294 | 9,610 | -45.4% |
| 2025-04-30 23:06 | 2025-04-30 | Bell Michael Alan | Other | SELL | $44.06 | 20,262 | $892,768 | 0 | -100.0% |
| 2025-03-04 00:05 | 2025-02-27 | WEEKS WENDELL P | Director, Officer - Chairman and CEO | SELL | $50.08 | 100,000 | $5,007,960 | 762,820 | -11.6% |
| 2025-02-22 00:06 | 2025-02-19 | Schlesinger Edward A | Officer - Exec. Vice President and CFO | SELL | $52.82 | 4,137 | $218,518 | 76,674 | -5.1% |
| 2025-02-20 00:05 | 2025-02-18 | Zhang John Z | Officer - SVP&GM Glass Innov. & Asia | OPT+S | $52.78 | 14,111 | $744,757 | 0 | 0.0% |
| 2025-02-04 00:07 | 2025-01-31 | Musser Eric S | Officer - President and COO | SELL | $51.92 | 30,000 | $1,557,738 | 152,944 | -16.4% |
| 2025-02-01 00:08 | 2025-01-30 | Bell Michael Alan | Other | OPT+S | $49.87 | 2,209 | $110,165 | 0 | 0.0% |
| 2024-12-12 00:06 | 2024-08-14 | Becker Stefan | Officer - SVP, Finance & Controller | SELL | $39.51 | 17,938 | $708,727 | 26,782 | -40.1% |
| 2024-11-27 00:05 | 2024-11-25 | Bayne John P JR | Other | OPT+S | $49.09 | 8,876 | $435,725 | 0 | 0.0% |
| 2024-11-23 00:03 | 2024-11-22 | Bayne John P JR | Other | SELL | $48.39 | 5,000 | $241,954 | 6,700 | -42.7% |
| 2024-11-22 00:34 | 2024-11-21 | Curran Martin J | Other | SELL | $47.96 | 50,000 | $2,398,000 | 5,398 | -90.3% |
| 2024-11-15 00:03 | 2024-11-13 | Zhang John Z | Officer - SVP&GM Glass Innov. & Asia | OPT+S | $48.36 | 5,175 | $250,264 | 0 | 0.0% |
| 2024-11-15 00:01 | 2024-11-12 | Curran Martin J | Other | SELL | $48.33 | 10,200 | $492,983 | 55,398 | -15.5% |
| 2024-11-06 00:06 | 2024-11-01 | STEVERSON LEWIS A | Officer - EVP and CLAO | SELL | $48.15 | 16,079 | $774,241 | 16,646 | -49.1% |
| 2024-11-01 23:05 | 2024-10-31 | WEEKS WENDELL P | Director, Officer - Chairman and CEO | SELL | $48.36 | 100,000 | $4,836,150 | 859,364 | -10.4% |
How to Interpret $GLW Trades
Not every insider transaction in CORNING INC /NY is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $GLW shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for GLW
Insider activity data for CORNING INC /NY is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $GLW, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.