SEC Form 4 · Updated Daily
GLW
— CORNING INCORPORATED OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Samsung Display Co., Ltd. | 10%+ Owner | 115,000,000 | 2021-04-08 | C |
| WEEKS WENDELL P | Director · Officer | 1,008,353 | 2026-06-09 | M |
| ECKLIN ROBERT L | Officer | 893,127.87 | 2006-02-16 | M |
| FLAWS JAMES B | Director · Officer | 275,074 | 2016-02-04 | S |
| McRae Lawrence D | Reporting Owner | 256,559 | 2024-04-15 | M |
| HENNESSY JOHN M | Reporting Owner | 255,619.77 | 2008-09-30 | A |
| AIELLO LARRY | Officer | 225,117 | 2007-08-29 | S |
| HOUGHTON JAMES R | Reporting Owner | 200,075 | 2010-08-26 | M |
| GREGG KIRK P | Reporting Owner | 178,629 | 2016-06-08 | M |
| EGGERS WILLIAM D | Reporting Owner | 168,494.41 | 2007-09-07 | M |
| VOLANAKIS PETER F | Director | 167,500 | 2011-05-06 | M |
| BROWN ROBERT B | Officer | 156,471 | 2007-05-22 | M |
| CUMMINGS ROBERT F JR | Director | 153,544 | 2019-12-11 | M |
| Hatton Vincent P | Reporting Owner | 146,402.26 | 2013-08-01 | M |
| SCHNEIDER PAMELA C | Reporting Owner | 145,239 | 2011-10-01 | M |
| CANNING JOHN A JR | Reporting Owner | 140,473 | 2020-05-01 | M |
| BROWN JOHN SEELY | Director | 140,365 | 2014-02-05 | A |
| SMITHBURG WILLIAM D | Director | 135,595 | 2012-02-01 | A |
| Amin Jaymin | Officer | 121,795 | 2026-05-22 | M |
| OCONNOR JAMES J | Director | 118,022.4 | 2011-09-30 | A |
| RIEMAN DEBORAH | Director | 103,158 | 2019-11-08 | M |
| ROGUS MARK S | Reporting Owner | 97,423 | 2017-11-07 | S |
| MILLER JOSEPH A | Director | 96,211 | 2012-07-09 | S |
| RUDING H ONNO | Reporting Owner | 94,891.25 | 2013-09-30 | A |
| TOOKES HANSEL E II | Reporting Owner | 92,761 | 2025-02-07 | M |
| GUND GORDON | Reporting Owner | 92,529.49 | 2013-09-30 | A |
| Clappin James P | Reporting Owner | 85,736.24 | 2022-01-07 | M |
| Nelson Avery H III | Officer | 70,059 | 2026-05-15 | S |
| Schlesinger Edward A | Officer | 65,264 | 2026-05-07 | S |
| LANDGRAF KURT M | Director | 63,967 | 2017-03-01 | M |
| MCNAUGHTON DONALD B | Reporting Owner | 63,887 | 2006-09-20 | S |
| WRIGHTON MARK S | Reporting Owner | 61,621 | 2025-09-04 | G |
| Kinlin Clark S | Reporting Owner | 59,945 | 2021-09-07 | S |
| Ferrero Lisa | Officer | 58,427 | 2018-11-30 | M |
| Pambianchi Christine M | Officer | 55,536 | 2019-11-06 | G |
| CLARK RICHARD T | Reporting Owner | 55,060 | 2024-11-01 | M |
| Poulin Jane D | Officer | 50,263 | 2008-06-13 | M |
| Verkleeren Ronald L | Officer | 48,143 | 2026-05-13 | S |
| France Robert P. | Officer | 46,382 | 2023-05-01 | M |
| O'Day Michael Paul | Officer | 39,122 | 2026-04-28 | F |
| SIT EUGENE C | Reporting Owner | 38,541 | 2008-02-06 | A |
| BLAIR DONALD W | Reporting Owner | 34,773 | 2024-11-01 | M |
| Capps Cheryl C | Director | 31,729 | 2024-02-07 | M |
| Martin Kevin J | Director | 31,506 | 2016-02-03 | A |
| HENRETTA DEBORAH A | Director | 25,965 | 2016-02-03 | A |
| Seetharam Soumya | Officer | 25,570 | 2026-05-11 | S |
| Kammerud Jordana Daryl | Officer | 21,287 | 2026-04-15 | M |
| Morse David L | Officer | 19,462 | 2022-05-16 | M |
| KNOWLES JEREMY R | Director | 18,732 | 2007-04-26 | D |
| Tripeny R Tony | Director | 18,230 | 2022-05-02 | M |
| ASBECK KATHERINE A | Officer | 15,243 | 2009-08-03 | S |
| STEVERSON LEWIS A | Officer | 15,052 | 2026-08-28 | S |
| Huttenlocher Daniel P | Director | 13,910 | 2016-02-03 | A |
| TILLMAN MICHAUNE D | Officer | 10,174 | 2026-05-11 | S |
| Gullo Michelle L | Officer | 9,384 | 2026-09-04 | S |
| Bayne John P JR | Reporting Owner | 8,876 | 2024-11-25 | M |
| Fang Li | Officer | 8,725 | 2026-05-14 | M |
| TILTON GLENN F | Director | 8,457 | 2012-04-26 | D |
| GUTIERREZ CARLOS M | Director | 7,355 | 2010-02-03 | A |
| Becker Stefan | Officer | 7,137 | 2026-05-13 | G |
| Ferguson Roger W. Jr. | Director | 6,938 | 2021-06-14 | P |
| WARRIOR PADMASREE | Director | 5,924 | 2008-02-06 | A |
| Zhang John Z | Officer | 5,138 | 2026-05-11 | S |
| Musser Eric S | Reporting Owner | 4,926 | 2026-02-09 | S |
| Mullins Anne | Reporting Owner | 3,736 | 2023-05-15 | M |
| Evenson Jeffrey W | Reporting Owner | 1,124 | 2025-02-04 | M |
| Curran Martin J | Reporting Owner | 593 | 2025-01-02 | M |
| BURNS STEPHANIE | Director | 107 | 2022-01-03 | P |
| Craig Pamela J. | Director | 0 | 2021-06-29 | — |
| Badani Ami | Director | 0 | 2025-10-07 | — |
| French Thomas D | Director | 0 | 2023-06-20 | — |
| BRUN LESLIE A | Director | 0 | 2018-07-18 | — |
| Bell Michael Alan | Reporting Owner | 0 | 2025-04-30 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-30 | BURNS STEPHANIE | Grant / award (derivative) | 268 | $153.76 | 27,037 |
| 2026-09-30 | CUMMINGS ROBERT F JR | Grant / award (derivative) | 268 | $153.76 | 131,030 |
| 2026-09-30 | Ferguson Roger W. Jr. | Grant / award (derivative) | 268 | $153.76 | 16,990 |
| 2026-09-30 | Martin Kevin J | Grant / award (derivative) | 228 | $153.76 | 20,462 |
| 2026-09-04 | Gullo Michelle L | Open-market sale | 9,874 | $152.29 | 9,384 |
| 2026-08-28 | STEVERSON LEWIS A | Open-market sale | 13,100 | $151.29 | 15,052 |
| 2026-06-30 | BURNS STEPHANIE | Grant / award (derivative) | 161 | $255.43 | 26,769 |
| 2026-06-30 | CUMMINGS ROBERT F JR | Grant / award (derivative) | 161 | $255.43 | 130,762 |
| 2026-06-30 | Ferguson Roger W. Jr. | Grant / award (derivative) | 161 | $255.43 | 16,722 |
| 2026-06-30 | Martin Kevin J | Grant / award (derivative) | 137 | $255.43 | 20,234 |
| 2026-06-22 | Gullo Michelle L | Tax withholding | 18,378 | $209.83 | 19,258 |
| 2026-06-09 | WEEKS WENDELL P | Option exercise (derivative) | 100,000 | $0.00 | 49,849 |
| 2026-06-09 | WEEKS WENDELL P | Open-market sale | 100,000 | $186.46 | 908,353 |
| 2026-06-09 | WEEKS WENDELL P | Option exercise | 100,000 | $27.03 | 1,008,353 |
| 2026-05-22 | Amin Jaymin | Option exercise (derivative) | 7,917 | $0.00 | 0 |
| 2026-05-22 | Amin Jaymin | Open-market sale | 27,395 | $192.14 | 94,400 |
| 2026-05-22 | Amin Jaymin | Option exercise | 7,917 | $27.00 | 121,795 |
| 2026-05-15 | Nelson Avery H III | Open-market sale | 20,000 | $195.93 | 70,059 |
| 2026-05-14 | Fang Li | Option exercise (derivative) | 8,725 | $0.00 | 0 |
| 2026-05-14 | Fang Li | Option exercise | 8,725 | $19.65 | 8,725 |
| 2026-05-13 | Becker Stefan | Gift | 126 | $0.00 | 7,137 |
| 2026-05-13 | Verkleeren Ronald L | Open-market sale | 10,000 | $207.77 | 48,143 |
| 2026-05-11 | Zhang John Z | Open-market sale | 10,000 | $198.34 | 5,138 |
| 2026-05-11 | Seetharam Soumya | Open-market sale | 20,000 | $206.23 | 25,570 |
| 2026-05-11 | TILLMAN MICHAUNE D | Open-market sale | 3,260 | $207.02 | 10,174 |
| 2026-05-08 | Becker Stefan | Open-market sale | 21,000 | $188.08 | 7,263 |
| 2026-05-08 | Gullo Michelle L | Open-market sale | 5,315 | $189.03 | 37,636 |
| 2026-05-08 | STEVERSON LEWIS A | Open-market sale | 27,750 | $196.06 | 28,152 |
| 2026-05-07 | Schlesinger Edward A | Open-market sale | 22,562 | $186.08 | 65,264 |
| 2026-05-06 | Zhang John Z | Open-market sale | 15,000 | $184.67 | 15,138 |
| 2026-05-04 | TILLMAN MICHAUNE D | Tax withholding | 2,946 | $159.96 | 13,434 |
| 2026-04-29 | Becker Stefan | Option exercise (derivative) | 429 | $0.00 | 8,930 |
| 2026-04-29 | Becker Stefan | Option exercise (derivative) | 1,073 | $0.00 | 22,333 |
| 2026-04-29 | Becker Stefan | Option exercise (derivative) | 619 | $0.00 | 12,886 |
| 2026-04-29 | Becker Stefan | Option exercise (derivative) | 674 | $0.00 | 14,018 |
| 2026-04-29 | Becker Stefan | Tax withholding | 2,795 | $151.90 | 28,263 |
| 2026-04-29 | Becker Stefan | Option exercise | 429 | $0.00 | 31,058 |
| 2026-04-29 | Becker Stefan | Option exercise | 1,073 | $0.00 | 30,629 |
| 2026-04-29 | Becker Stefan | Option exercise | 619 | $0.00 | 29,556 |
| 2026-04-29 | Becker Stefan | Option exercise | 674 | $0.00 | 28,937 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.