Quick Takeaways
- GLW - CORNING INC /NY has 43 insiders with reported activity on this page.
- Net insider value flow over the last year: -$76,403,263.
- Recent transaction rows are available for direct filing-level review.
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Net insider flow leans to selling over the last 12 months. Net value: -$76,403,263.
$0
Shares: 0
Insiders: 0
$76,403,263
Shares: 824,558
Insiders: 15
-$76,403,263
Shares: -824,558
Insiders: -15
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 268,883 | $0 | $37,085,972 | -$37,085,972 |
| 3-6 | 0 | 193,682 | $0 | $17,579,910 | -$17,579,910 |
| 6-9 | 0 | 241,733 | $0 | $15,849,497 | -$15,849,497 |
| 9-12 | 0 | 120,260 | $0 | $5,887,885 | -$5,887,885 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Wendell P. Weeks | Chairman, CEO and President, Director | $127,329,340 | -$26,717,772 | -17% | Median | 15 Apr 2026 |
| Robert F. Cummings Jr. | Director | $30,267,629 | Mixed | 31 Mar 2026 | ||
| Jaymin Amin | SVP and Chief Tech. Officer | $15,837,804 | -$1,367,698 | -7.9% | Median | 15 Apr 2026 |
| Avery H. Nelson III | Executive Vice President & COO | $12,768,526 | -$3,272,879 | -20% | Median | 15 Apr 2026 |
| Edward A. Schlesinger | Exec. Vice President and CFO | $11,941,701 | -$5,212,359 | -30% | Median | 15 Apr 2026 |
| Stephanie Burns | Director | $8,443,401 | Mixed | 31 Mar 2026 | ||
| Ronald L. Verkleeren | SVP Emerging Innovations Group | $7,905,703 | -$2,998,986 | -28% | Median | 15 Apr 2026 |
| Deborah Rieman | Director | $7,896,387 | Mixed | 12 Feb 2025 | ||
| Lewis A. Steverson | Vice Chairman, EVP and CLAO | $7,600,994 | -$5,097,495 | -40% | Median | 15 Apr 2026 |
| Lawrence D. McRae | Retired Vice Chairman | $7,430,968 | Mixed | 15 Apr 2024 | ||
| Hansel E. Tookes II | Retired Director | $6,880,260 | Mixed | 07 Feb 2025 | ||
| Mark S. Wrighton | Retired Director | $6,490,768 | Mixed | 04 Sep 2025 | ||
| Soumya Seetharam | Senior Vice President & CDIO | $6,196,152 | -$2,543,285 | -29% | Median | 15 Apr 2026 |
| Daniel P. Huttenlocher | Director | $6,053,400 | Mixed | 11 Feb 2026 | ||
| Michelle L. Gullo | Senior Vice President & CHRO | $5,840,047 | -$87,444 | -1.5% | Median | 15 Apr 2026 |
| Michael Paul O'Day | SVP and GM, Optical Comm. | $5,794,769 | -$1,486,144 | -20% | Median | 15 Apr 2026 |
| Clark Richard T. | Retired Director | $5,388,631 | Mixed | 01 Nov 2024 | ||
| Kevin J. Martin | Director | $5,366,652 | Mixed | 31 Mar 2026 | ||
| Donald W. Blair | Retired Director | $5,121,194 | Mixed | 01 Nov 2024 | ||
| John Z. Zhang | Exec. Vice President & CCDO | $4,097,863 | -$1,133,162 | -22% | Median | 15 Apr 2026 |
| Leslie A. Brun | Director | $4,009,246 | Mixed | 11 Feb 2026 | ||
| Stefan Becker | SVP, Finance & Corp Controller | $3,842,920 | -$1,954,373 | -34% | Median | 15 Apr 2026 |
| Deborah A. Henretta | Director | $3,411,255 | Mixed | 30 Jun 2025 | ||
| Kurt M. Landgraf | Director | $3,315,206 | Mixed | 07 Feb 2024 | ||
| James P. Clappin | Retired Vice Chair &Strat. Adv | $3,280,595 | Mixed | 07 Jan 2022 | ||
| Martin J. Curran | Retired Executive VP | $2,880,363 | Mixed | 02 Jan 2025 | ||
| R. Tony Tripeny | Retired Exec. Vice President | $2,871,967 | Mixed | 02 May 2022 | ||
| Roger W. Ferguson Jr. | Director | $2,756,611 | Mixed | 31 Mar 2026 | ||
| Michaune D. Tillman | SVP and General Counsel | $2,466,104 | Mixed | 01 Apr 2026 | ||
| David L. Morse | Exec. VP & Chief Tech. Officer | $2,454,864 | Mixed | 16 May 2022 | ||
| Pamela J. Craig | Director | $2,421,161 | Mixed | 11 Feb 2026 | ||
| Eric S. Musser | Retired President | $2,407,847 | -$18,696,799 | -89% | Mixed | 09 Feb 2026 |
| Clark S. Kinlin | Retired Exec. Vice President | $1,815,135 | Mixed | 07 Sep 2021 | ||
| Jordana Daryl Kammerud | Svp | $1,668,215 | -$3,830,019 | -70% | Median | 15 Apr 2026 |
| Cheryl C. Capps | Retired SVP | $1,515,696 | Mixed | 07 Feb 2024 | ||
| Jeffrey W. Evenson | Retired Exec. VP | $1,299,491 | Mixed | 04 Feb 2025 | ||
| John P. Bayne Jr. | Retired Senior Vice President | $1,193,681 | Mixed | 25 Nov 2024 | ||
| Robert P. France | Retired Sr VP, Human Resources | $1,121,813 | Mixed | 01 May 2023 | ||
| Thomas D. French | Director | $808,535 | Mixed | 11 Feb 2026 | ||
| Li Fang | SVP, Corning Intl & NBD, Solar | $206,258 | -$1,112,077 | -84% | Mixed | 09 Feb 2026 |
| Anne Mullins | Retired Senior Vice President | $58,471 | Mixed | 15 May 2023 | ||
| Ami Badani | Director | $0 | Mixed | 11 Feb 2026 | ||
| Michael Alan Bell | Retired Sr VP & GM, Opt Comm. | $0 | -$892,768 | -100% | Mixed | 30 Apr 2025 |
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
|
Company |
12%
|
99,283,317
|
$8,693,247,255 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
7.4%
|
63,584,864
|
$5,567,490,654 | — | 31 Dec 2025 | |
| Samsung Display Co., Ltd. |
13D/G
|
— |
7.9%
|
68,000,000
|
$4,350,640,000 | -$191,940,000 | 20 Aug 2025 | |
| STATE STREET CORP |
13F
|
Company |
4.3%
|
36,788,356
|
$3,221,188,451 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.4%
|
20,411,824
|
$1,781,249,737 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
2%
|
17,381,978
|
$1,521,966,008 | — | 31 Dec 2025 | |
| Capital Research Global Investors |
13F
|
Company |
2%
|
16,890,802
|
$1,478,958,623 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.8%
|
15,206,561
|
$1,331,486,683 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
1.7%
|
14,450,509
|
$1,265,286,542 | — | 31 Dec 2025 | |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE CO |
13F
|
Company |
1.6%
|
13,919,847
|
$1,218,821,803 | — | 31 Dec 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
1.5%
|
12,572,185
|
$1,100,820,517 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
1.4%
|
11,769,445
|
$1,030,532,738 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
1.2%
|
10,523,469
|
$921,434,946 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
1.2%
|
9,971,363
|
$874,401,138 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.1%
|
9,151,823
|
$801,333,621 | — | 31 Dec 2025 | |
| WCM INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.96%
|
8,224,770
|
$730,853,062 | — | 31 Dec 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.94%
|
8,034,856
|
$703,533,000 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.79%
|
6,765,011
|
$592,344,352 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.71%
|
6,110,225
|
$535,143,203 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.68%
|
5,830,152
|
$510,488,095 | — | 31 Dec 2025 | |
| LONDON CO OF VIRGINIA |
13F
|
Company |
0.68%
|
5,823,446
|
$509,902,370 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.6%
|
5,169,707
|
$452,659,506 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.6%
|
5,112,418
|
$447,643,321 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.59%
|
5,083,552
|
$445,115,819 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.58%
|
4,961,975
|
$434,470,531 | — | 31 Dec 2025 | |
| Amundi |
13F
|
Individual |
0.54%
|
4,655,254
|
$407,614,040 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.53%
|
4,562,644
|
$399,505,109 | — | 31 Dec 2025 | |
| PRIMECAP MANAGEMENT CO/CA/ |
13F
|
Company |
0.48%
|
4,138,172
|
$362,338,340 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.46%
|
3,924,941
|
$343,667,835 | — | 31 Dec 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.42%
|
3,631,606
|
$319,844,170 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.42%
|
3,593,282
|
$314,630,000 | — | 31 Dec 2025 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
0.41%
|
3,531,260
|
$309,197,125 | — | 31 Dec 2025 | |
| Mariner, LLC |
13F
|
Company |
0.41%
|
3,521,902
|
$308,389,836 | — | 31 Dec 2025 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.36%
|
3,103,383
|
$271,732,216 | — | 31 Dec 2025 | |
| STIFEL FINANCIAL CORP |
13F
|
Company |
0.34%
|
2,949,686
|
$258,277,039 | — | 31 Dec 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.31%
|
2,670,208
|
$233,803,377 | — | 31 Dec 2025 | |
| Whale Rock Capital Management LLC |
13F
|
Company |
0.31%
|
2,669,780
|
$233,765,937 | — | 31 Dec 2025 | |
| LOS ANGELES CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.28%
|
2,386,539
|
$215,456,741 | — | 31 Dec 2025 | |
| TD ASSET MANAGEMENT INC |
13F
|
Company |
0.28%
|
2,363,820
|
$206,976,079 | — | 31 Dec 2025 | |
| National Pension Service |
13F
|
Company |
0.27%
|
2,288,936
|
$200,419,236 | — | 31 Dec 2025 | |
| Polar Capital Holdings Plc |
13F
|
Company |
0.27%
|
2,285,993
|
$200,161,547 | — | 31 Dec 2025 | |
| Swiss National Bank |
13F
|
Company |
0.26%
|
2,230,000
|
$195,258,800 | — | 31 Dec 2025 | |
| AGF MANAGEMENT LTD |
13F
|
Company |
0.26%
|
2,222,198
|
$194,575,657 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.25%
|
2,163,649
|
$189,449,107 | — | 31 Dec 2025 | |
| Evergreen Quality Fund GP, Ltd. |
13F
|
Company |
0.25%
|
2,116,400
|
$185,311,984 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.24%
|
2,080,575
|
$182,175,147 | — | 31 Dec 2025 | |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
13F
|
Company |
0.23%
|
1,954,069
|
$171,098,282 | — | 31 Dec 2025 | |
| Neuberger Berman Group LLC |
13F
|
Company |
0.22%
|
1,915,393
|
$167,711,773 | — | 31 Dec 2025 | |
| Assenagon Asset Management S.A. |
13F
|
Company |
0.22%
|
1,881,336
|
$164,729,780 | — | 31 Dec 2025 | |
| Sumitomo Mitsui Trust Group, Inc. |
13F
|
Company |
0.21%
|
1,828,512
|
$160,104,511 | — | 31 Dec 2025 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Wendell P. Weeks | GLW | Common Stock | Tax liability | -15.4% | -165,622 | 908,353 | 15 Apr 2026 | Direct | ||
| Wendell P. Weeks | GLW | Common Stock | Options Exercise | 46.3% | 340,084 | 1,073,975 | 15 Apr 2026 | Direct | ||
| Wendell P. Weeks | GLW | Restricted Stock Unit | Options Exercise | -100% | -104,474 | 0 | 15 Apr 2026 | Direct | ||
| Wendell P. Weeks | GLW | Performance Share Unit | Options Exercise | -100% | -235,610 | 0 | 15 Apr 2026 | Direct | ||
| John Z. Zhang | GLW | Common Stock | Tax liability | -51% | -31,433 | 30,138 | 15 Apr 2026 | Direct | ||
| John Z. Zhang | GLW | Common Stock | Options Exercise | 61,571 | 61,571 | 15 Apr 2026 | Direct | |||
| John Z. Zhang | GLW | Restricted Stock Unit | Options Exercise | -100% | -18,884 | 0 | 15 Apr 2026 | Direct | ||
| John Z. Zhang | GLW | Performance Share Unit | Options Exercise | -100% | -42,687 | 0 | 15 Apr 2026 | Direct | ||
| Ronald L. Verkleeren | GLW | Common Stock | Tax liability | -28.2% | -22,843 | 58,143 | 15 Apr 2026 | Direct | ||
| Ronald L. Verkleeren | GLW | Common Stock | Options Exercise | 137.6% | 46,903 | 80,986 | 15 Apr 2026 | Direct | ||
| Ronald L. Verkleeren | GLW | Restricted Stock Unit | Options Exercise | -100% | -14,332 | 0 | 15 Apr 2026 | Direct | ||
| Ronald L. Verkleeren | GLW | Performance Share Unit | Options Exercise | -100% | -32,571 | 0 | 15 Apr 2026 | Direct | ||
| Lewis A. Steverson | GLW | Common Stock | Tax liability | -47.1% | -49,786 | 55,902 | 15 Apr 2026 | Direct | ||
| Lewis A. Steverson | GLW | Common Stock | Options Exercise | 2953.7% | 102,227 | 105,688 | 15 Apr 2026 | Direct | ||
| Lewis A. Steverson | GLW | Restricted Stock Unit | Options Exercise | -100% | -31,109 | 0 | 15 Apr 2026 | Direct | ||
| Lewis A. Steverson | GLW | Performance Share Unit | Options Exercise | -100% | -71,118 | 0 | 15 Apr 2026 | Direct | ||
| Soumya Seetharam | GLW | Common Stock | Tax liability | -27.9% | -17,622 | 45,570 | 15 Apr 2026 | Direct | ||
| Soumya Seetharam | GLW | Common Stock | Options Exercise | 243.2% | 44,780 | 63,192 | 15 Apr 2026 | Direct | ||
| Soumya Seetharam | GLW | Restricted Stock Unit | Options Exercise | -100% | -13,734 | 0 | 15 Apr 2026 | Direct | ||
| Soumya Seetharam | GLW | Performance Share Unit | Options Exercise | -100% | -31,046 | 0 | 15 Apr 2026 | Direct | ||
| Edward A. Schlesinger | GLW | Common Stock | Tax liability | -25.9% | -30,715 | 87,826 | 15 Apr 2026 | Direct | ||
| Edward A. Schlesinger | GLW | Common Stock | Options Exercise | 113.7% | 63,069 | 118,541 | 15 Apr 2026 | Direct | ||
| Edward A. Schlesinger | GLW | Performance Share Unit | Options Exercise | -100% | -43,981 | 0 | 15 Apr 2026 | Direct | ||
| Edward A. Schlesinger | GLW | Restricted Stock Unit | Options Exercise | -100% | -19,088 | 0 | 15 Apr 2026 | Direct | ||
| Michael Paul O'Day | GLW | Common Stock | Tax liability | -16.5% | -8,410 | 42,618 | 15 Apr 2026 | Direct | ||
| Michael Paul O'Day | GLW | Common Stock | Options Exercise | 66.3% | 20,336 | 51,028 | 15 Apr 2026 | Direct | ||
| Michael Paul O'Day | GLW | Restricted Stock Unit | Options Exercise | -100% | -6,244 | 0 | 15 Apr 2026 | Direct | ||
| Michael Paul O'Day | GLW | Performance Share Unit | Options Exercise | -100% | -14,092 | 0 | 15 Apr 2026 | Direct | ||
| Avery H. Nelson III | GLW | Common Stock | Tax liability | -24.2% | -28,740 | 90,059 | 15 Apr 2026 | Direct | ||
| Avery H. Nelson III | GLW | Common Stock | Options Exercise | 98.7% | 59,011 | 118,799 | 15 Apr 2026 | Direct | ||
| Avery H. Nelson III | GLW | Restricted Stock Unit | Options Exercise | -100% | -17,838 | 0 | 15 Apr 2026 | Direct | ||
| Avery H. Nelson III | GLW | Performance Share Unit | Options Exercise | -100% | -41,173 | 0 | 15 Apr 2026 | Direct | ||
| Jordana Daryl Kammerud | GLW | Common Stock | Tax liability | -42.4% | -9,018 | 12,269 | 15 Apr 2026 | Direct | ||
| Jordana Daryl Kammerud | GLW | Common Stock | Options Exercise | 667.9% | 18,515 | 21,287 | 15 Apr 2026 | Direct | ||
| Jordana Daryl Kammerud | GLW | Restricted Stock Unit | Options Exercise | -100% | -5,670 | 0 | 15 Apr 2026 | Direct | ||
| Jordana Daryl Kammerud | GLW | Performance Share Unit | Options Exercise | -100% | -12,845 | 0 | 15 Apr 2026 | Direct | ||
| Michelle L. Gullo | GLW | Common Stock | Tax liability | -12.6% | -6,198 | 42,951 | 15 Apr 2026 | Direct | ||
| Michelle L. Gullo | GLW | Common Stock | Options Exercise | 36.5% | 13,149 | 49,149 | 15 Apr 2026 | Direct | ||
| Michelle L. Gullo | GLW | Restricted Stock Unit | Options Exercise | -100% | -3,793 | 0 | 15 Apr 2026 | Direct | ||
| Michelle L. Gullo | GLW | Performance Share Unit | Options Exercise | -100% | -9,356 | 0 | 15 Apr 2026 | Direct | ||
| Stefan Becker | GLW | Common Stock | Tax liability | -44.7% | -22,861 | 28,263 | 15 Apr 2026 | Direct | ||
| Stefan Becker | GLW | Common Stock | Options Exercise | 705.9% | 44,780 | 51,124 | 15 Apr 2026 | Direct | ||
| Stefan Becker | GLW | Restricted Stock Unit | Options Exercise | -100% | -13,734 | 0 | 15 Apr 2026 | Direct | ||
| Stefan Becker | GLW | Performance Share Unit | Options Exercise | -100% | -31,046 | 0 | 15 Apr 2026 | Direct | ||
| Jaymin Amin | GLW | Common Stock | Tax liability | -17.9% | -24,796 | 113,878 | 15 Apr 2026 | Direct | ||
| Jaymin Amin | GLW | Common Stock | Options Exercise | 58% | 50,914 | 138,674 | 15 Apr 2026 | Direct | ||
| Jaymin Amin | GLW | Performance Share Unit | Options Exercise | -100% | -35,559 | 0 | 15 Apr 2026 | Direct | ||
| Jaymin Amin | GLW | Restricted Stock Unit | Options Exercise | -100% | -15,355 | 0 | 15 Apr 2026 | Direct | ||
| Wendell P. Weeks | GLW | Restricted Stock Unit | Award | 30,868 | 30,868 | 01 Apr 2026 | Direct | |||
| John Z. Zhang | GLW | Restricted Stock Unit | Award | 9,692 | 9,692 | 01 Apr 2026 | Direct |