NYSE:GLW • US2193501051
| Shares Outstanding | 808.00M |
| Float | 737.71M |
| Float Short Interest Percentage | 1.82% |
| Owners (insider) | 0.16% |
| Owners (institutional) | 75.9% |
| Owners (insider) change | -0.48% |
| Owners (institutional) change | -0.19% |
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Feb 12, 2026 | Zhang John Z | Open Market Sale | 1531 | 133.75 | $ 204,764.67 |
| Feb 12, 2026 | Gullo Michelle L | Open Market Sale | 631 | 131.44 | $ 82,939.04 |
| Feb 11, 2026 | Nelson Avery H III | Open Market Sale | 1583 | 128.74 | $ 203,800.17 |
| Feb 10, 2026 | STEVERSON LEWIS A | Open Market Sale | 15366 | 130.22 | $ 2,000,955.91 |
| Feb 9, 2026 | Schlesinger Edward A | Option Excercise | 1415 | 0.00 | $ 0.00 |
| Feb 9, 2026 | Schlesinger Edward A | Option Excercise | 723 | 131.39 | $ 94,994.97 |
| Feb 9, 2026 | WEEKS WENDELL P | Option Excercise | 5733 | 0.00 | $ 0.00 |
| Feb 9, 2026 | WEEKS WENDELL P | Option Excercise | 2927 | 131.39 | $ 384,578.53 |
| Feb 9, 2026 | O''Day Michael Paul | Option Excercise | 1091 | 0.00 | $ 0.00 |
| Feb 9, 2026 | O''Day Michael Paul | Option Excercise | 314 | 131.39 | $ 41,256.46 |
| Feb 9, 2026 | Zhang John Z | Option Excercise | 2476 | 0.00 | $ 0.00 |
| Feb 9, 2026 | Zhang John Z | Option Excercise | 945 | 131.39 | $ 124,163.55 |
| Feb 9, 2026 | Kammerud Jordana Daryl | Open Market Sale | 30000 | 127.67 | $ 3,830,019.00 |
| Feb 9, 2026 | Musser Eric S | Open Market Sale | 15000 | 130.25 | $ 1,953,711.00 |
| Feb 9, 2026 | Nelson Avery H III | Option Excercise | 2476 | 0.00 | $ 0.00 |
| Feb 9, 2026 | Nelson Avery H III | Option Excercise | 893 | 131.39 | $ 117,331.27 |
| Feb 9, 2026 | Nelson Avery H III | Open Market Sale | 6262 | 129.79 | $ 812,722.44 |
| Feb 9, 2026 | Gullo Michelle L | Option Excercise | 994 | 0.00 | $ 0.00 |
| Feb 9, 2026 | Gullo Michelle L | Option Excercise | 363 | 131.39 | $ 47,694.57 |
| Feb 9, 2026 | Fang Li | Option Excercise | 1944 | 0.00 | $ 0.00 |
| Feb 9, 2026 | Fang Li | Other Disposition | 1944 | 131.39 | $ 255,422.16 |
| Feb 9, 2026 | Becker Stefan | Option Excercise | 2110 | 0.00 | $ 0.00 |
| Feb 9, 2026 | Becker Stefan | Option Excercise | 815 | 131.39 | $ 107,082.85 |
| Feb 9, 2026 | Amin Jaymin | Option Excercise | 2641 | 0.00 | $ 0.00 |
| Feb 9, 2026 | Amin Jaymin | Option Excercise | 953 | 131.39 | $ 125,214.67 |
| Feb 9, 2026 | Verkleeren Ronald L | Option Excercise | 2476 | 0.00 | $ 0.00 |
| Feb 9, 2026 | Verkleeren Ronald L | Option Excercise | 893 | 131.39 | $ 117,331.27 |
| Feb 9, 2026 | Seetharam Soumya | Option Excercise | 2261 | 0.00 | $ 0.00 |
| Feb 9, 2026 | Seetharam Soumya | Option Excercise | 605 | 131.39 | $ 79,490.95 |
| Feb 9, 2026 | STEVERSON LEWIS A | Option Excercise | 1958 | 0.00 | $ 0.00 |
| Feb 9, 2026 | STEVERSON LEWIS A | Option Excercise | 706 | 131.39 | $ 92,761.34 |
| Feb 4, 2026 | Gullo Michelle L | Option Excercise | 386 | 109.69 | $ 42,340.34 |
| Feb 4, 2026 | Amin Jaymin | Option Excercise | 1447 | 0.00 | $ 0.00 |
| Feb 4, 2026 | Amin Jaymin | Option Excercise | 1447 | 109.69 | $ 158,721.43 |
| Feb 4, 2026 | Schlesinger Edward A | Option Excercise | 1980 | 0.00 | $ 0.00 |
| Feb 4, 2026 | Schlesinger Edward A | Option Excercise | 1980 | 109.69 | $ 217,186.20 |
| Feb 4, 2026 | O''Day Michael Paul | Option Excercise | 717 | 0.00 | $ 0.00 |
| Feb 4, 2026 | O''Day Michael Paul | Option Excercise | 717 | 109.69 | $ 78,647.73 |
| Feb 4, 2026 | Musser Eric S | Option Excercise | 3284 | 0.00 | $ 0.00 |
| Feb 4, 2026 | Musser Eric S | Option Excercise | 3284 | 109.69 | $ 360,221.96 |
| Feb 4, 2026 | Kammerud Jordana Daryl | Option Excercise | 593 | 0.00 | $ 0.00 |
| Feb 4, 2026 | Kammerud Jordana Daryl | Option Excercise | 593 | 109.69 | $ 65,046.17 |
| Feb 4, 2026 | Verkleeren Ronald L | Option Excercise | 1286 | 0.00 | $ 0.00 |
| Feb 4, 2026 | Verkleeren Ronald L | Option Excercise | 1286 | 109.69 | $ 141,061.34 |
| Feb 4, 2026 | Fang Li | Option Excercise | 9797 | 20.09 | $ 196,856.03 |
| Feb 4, 2026 | Fang Li | Open Market Sale | 9797 | 113.51 | $ 1,112,077.06 |
| Feb 4, 2026 | STEVERSON LEWIS A | Option Excercise | 2808 | 0.00 | $ 0.00 |
| Feb 4, 2026 | STEVERSON LEWIS A | Option Excercise | 2808 | 109.69 | $ 308,009.52 |
| Feb 4, 2026 | WEEKS WENDELL P | Option Excercise | 10473 | 0.00 | $ 0.00 |
| Feb 4, 2026 | WEEKS WENDELL P | Option Excercise | 10473 | 109.69 | $ 1,148,783.37 |
| Feb 4, 2026 | Nelson Avery H III | Option Excercise | 1894 | 0.00 | $ 0.00 |
| Feb 4, 2026 | Nelson Avery H III | Option Excercise | 1894 | 109.69 | $ 207,752.86 |
| Feb 4, 2026 | Gullo Michelle L | Option Excercise | 386 | 0.00 | $ 0.00 |
| Feb 2, 2026 | O''Day Michael Paul | Open Market Sale | 5051 | 110.52 | $ 558,231.97 |
| Feb 2, 2026 | Musser Eric S | Open Market Sale | 25000 | 110.00 | $ 2,750,080.00 |
| Jan 29, 2026 | Schlesinger Edward A | Option Excercise | 8925 | 19.65 | $ 175,376.25 |
| Jan 29, 2026 | Schlesinger Edward A | Open Market Sale | 21104 | 104.55 | $ 2,206,326.12 |
| Jan 29, 2026 | Gullo Michelle L | Open Market Sale | 44 | 102.40 | $ 4,505.38 |
| Jan 15, 2026 | Kammerud Jordana Daryl | Other Disposition | 12136 | 0.00 | $ 0.00 |
| Jan 15, 2026 | Kammerud Jordana Daryl | Option Excercise | 4666 | 93.49 | $ 436,224.34 |
| Jan 2, 2026 | Gullo Michelle L | Option Excercise | 283 | 0.00 | $ 0.00 |
| Jan 2, 2026 | Gullo Michelle L | Option Excercise | 283 | 90.67 | $ 25,659.61 |
| Jan 2, 2026 | WEEKS WENDELL P | Option Excercise | 3287 | 0.00 | $ 0.00 |
| Jan 2, 2026 | WEEKS WENDELL P | Option Excercise | 3287 | 90.67 | $ 298,032.29 |
| Jan 2, 2026 | Verkleeren Ronald L | Option Excercise | 575 | 0.00 | $ 0.00 |
| Jan 2, 2026 | Verkleeren Ronald L | Option Excercise | 575 | 90.67 | $ 52,135.25 |
| Jan 2, 2026 | Nelson Avery H III | Option Excercise | 1005 | 0.00 | $ 0.00 |
| Jan 2, 2026 | Nelson Avery H III | Option Excercise | 1005 | 90.67 | $ 91,123.35 |
| Jan 2, 2026 | Schlesinger Edward A | Option Excercise | 1035 | 0.00 | $ 0.00 |
| Jan 2, 2026 | Schlesinger Edward A | Option Excercise | 1035 | 90.67 | $ 93,843.45 |
| Jan 2, 2026 | STEVERSON LEWIS A | Option Excercise | 1097 | 0.00 | $ 0.00 |
| Jan 2, 2026 | STEVERSON LEWIS A | Option Excercise | 1097 | 90.67 | $ 99,464.99 |
| Jan 2, 2026 | Amin Jaymin | Option Excercise | 685 | 0.00 | $ 0.00 |
| Jan 2, 2026 | Amin Jaymin | Option Excercise | 685 | 90.67 | $ 62,108.95 |
| Jan 2, 2026 | O''Day Michael Paul | Option Excercise | 612 | 0.00 | $ 0.00 |
| Jan 2, 2026 | O''Day Michael Paul | Option Excercise | 612 | 90.67 | $ 55,490.04 |
| Dec 19, 2025 | Verkleeren Ronald L | Other Disposition | 2000 | 0.00 | $ 0.00 |
| Dec 15, 2025 | O''Day Michael Paul | Other Disposition | 1391 | 0.00 | $ 0.00 |
| Dec 10, 2025 | Verkleeren Ronald L | Open Market Sale | 21000 | 94.69 | $ 1,988,580.30 |
| Dec 10, 2025 | Seetharam Soumya | Open Market Sale | 16547 | 90.78 | $ 1,502,202.85 |
| Dec 8, 2025 | Seetharam Soumya | Option Excercise | 9838 | 88.27 | $ 868,400.26 |
| Dec 4, 2025 | WEEKS WENDELL P | Other Disposition | 24322 | 0.00 | $ 0.00 |
| Dec 3, 2025 | Seetharam Soumya | Grant | 16756 | 0.00 | $ 0.00 |
| Nov 21, 2025 | Verkleeren Ronald L | Option Excercise | 2883 | 0.00 | $ 0.00 |
| Nov 21, 2025 | Verkleeren Ronald L | Option Excercise | 2883 | 79.46 | $ 229,083.18 |
| Oct 31, 2025 | STEVERSON LEWIS A | Open Market Sale | 23142 | 89.05 | $ 2,060,765.02 |
| Oct 31, 2025 | Schlesinger Edward A | Option Excercise | 8844 | 33.92 | $ 299,988.48 |
| Oct 31, 2025 | Schlesinger Edward A | Open Market Sale | 20893 | 91.25 | $ 1,906,486.25 |
| Oct 30, 2025 | Amin Jaymin | Other Disposition | 2650 | 0.00 | $ 0.00 |
| Oct 29, 2025 | Becker Stefan | Open Market Sale | 12100 | 91.28 | $ 1,104,535.19 |
| Oct 29, 2025 | Musser Eric S | Open Market Sale | 100000 | 90.17 | $ 9,017,340.00 |
| Sep 30, 2025 | Musser Eric S | Option Excercise | 1657 | 0.00 | $ 0.00 |
| Sep 30, 2025 | Musser Eric S | Option Excercise | 1401 | 82.03 | $ 114,924.03 |
| Sep 17, 2025 | Amin Jaymin | Option Excercise | 7931 | 20.09 | $ 159,362.69 |
| Sep 17, 2025 | Amin Jaymin | Open Market Sale | 17721 | 77.18 | $ 1,367,697.92 |
| Sep 15, 2025 | WEEKS WENDELL P | Other Disposition | 40000 | 0.00 | $ 0.00 |
| Sep 4, 2025 | Musser Eric S | Open Market Sale | 20000 | 70.23 | $ 1,404,624.00 |
| Sep 4, 2025 | WRIGHTON MARK S | Other Disposition | 4467 | 0.00 | $ 0.00 |
| Aug 12, 2025 | Zhang John Z | Open Market Sale | 1212 | 65.53 | $ 79,425.39 |
| Aug 11, 2025 | Musser Eric S | Open Market Sale | 18850 | 65.31 | $ 1,231,183.98 |
| Aug 8, 2025 | Nelson Avery H III | Option Excercise | 2476 | 0.00 | $ 0.00 |
| Aug 8, 2025 | Nelson Avery H III | Option Excercise | 1264 | 65.77 | $ 83,133.28 |
| Aug 8, 2025 | Musser Eric S | Option Excercise | 21997 | 16.84 | $ 370,402.50 |
| Aug 8, 2025 | Musser Eric S | Option Excercise | 1607 | 65.77 | $ 105,692.39 |
| Aug 8, 2025 | Fang Li | Option Excercise | 1944 | 0.00 | $ 0.00 |
| Aug 8, 2025 | Fang Li | Other Disposition | 1944 | 65.77 | $ 127,856.88 |
| Aug 8, 2025 | Becker Stefan | Option Excercise | 2110 | 0.00 | $ 0.00 |
| Aug 8, 2025 | Becker Stefan | Option Excercise | 1078 | 65.77 | $ 70,900.06 |
| Aug 8, 2025 | Amin Jaymin | Option Excercise | 2641 | 0.00 | $ 0.00 |
| Aug 8, 2025 | Amin Jaymin | Option Excercise | 1349 | 65.77 | $ 88,723.73 |
| Aug 8, 2025 | Zhang John Z | Option Excercise | 2476 | 0.00 | $ 0.00 |
| Aug 8, 2025 | Zhang John Z | Option Excercise | 1264 | 65.77 | $ 83,133.28 |
| Aug 8, 2025 | WEEKS WENDELL P | Option Excercise | 5733 | 0.00 | $ 0.00 |
| Aug 8, 2025 | WEEKS WENDELL P | Option Excercise | 2927 | 65.77 | $ 192,508.79 |
| Aug 8, 2025 | Verkleeren Ronald L | Option Excercise | 2476 | 0.00 | $ 0.00 |
| Aug 8, 2025 | Verkleeren Ronald L | Option Excercise | 1264 | 65.77 | $ 83,133.28 |
| Aug 8, 2025 | STEVERSON LEWIS A | Option Excercise | 1958 | 0.00 | $ 0.00 |
| Aug 8, 2025 | STEVERSON LEWIS A | Option Excercise | 1000 | 65.77 | $ 65,770.00 |
| Aug 8, 2025 | Seetharam Soumya | Option Excercise | 2260 | 0.00 | $ 0.00 |
| Aug 8, 2025 | Seetharam Soumya | Option Excercise | 875 | 65.77 | $ 57,548.75 |
| Aug 8, 2025 | Schlesinger Edward A | Option Excercise | 1415 | 0.00 | $ 0.00 |
| Aug 8, 2025 | Schlesinger Edward A | Option Excercise | 723 | 65.77 | $ 47,551.71 |
| Aug 8, 2025 | O''Day Michael Paul | Option Excercise | 1091 | 0.00 | $ 0.00 |
| Aug 8, 2025 | O''Day Michael Paul | Option Excercise | 477 | 65.77 | $ 31,372.29 |
| Aug 7, 2025 | Musser Eric S | Open Market Sale | 20000 | 65.88 | $ 1,317,576.00 |
| Aug 7, 2025 | WEEKS WENDELL P | Open Market Sale | 82103 | 65.19 | $ 5,351,933.32 |
| Jul 30, 2025 | STEVERSON LEWIS A | Open Market Sale | 16646 | 62.22 | $ 1,035,774.05 |
| Jul 30, 2025 | O''Day Michael Paul | Open Market Sale | 14879 | 62.36 | $ 927,912.47 |
| Jul 30, 2025 | Nelson Avery H III | Option Excercise | 21240 | 27.02 | $ 573,817.17 |
| Jul 30, 2025 | Nelson Avery H III | Open Market Sale | 36240 | 62.26 | $ 2,256,356.76 |
| Jul 30, 2025 | Schlesinger Edward A | Open Market Sale | 14082 | 62.28 | $ 877,012.88 |
| Jul 15, 2025 | Amin Jaymin | Option Excercise | 10210 | 52.52 | $ 536,229.20 |
| Jul 10, 2025 | Kammerud Jordana Daryl | Option Excercise | 12391 | 52.26 | $ 647,553.66 |
| Jun 11, 2025 | Verkleeren Ronald L | Open Market Sale | 20000 | 50.52 | $ 1,010,406.00 |
| Jun 6, 2025 | Musser Eric S | Open Market Sale | 20000 | 51.11 | $ 1,022,284.00 |
| Jun 2, 2025 | Schlesinger Edward A | Open Market Sale | 4464 | 49.85 | $ 222,533.97 |
| May 29, 2025 | Becker Stefan | Open Market Sale | 17106 | 49.68 | $ 849,838.05 |
| May 29, 2025 | Seetharam Soumya | Open Market Sale | 6505 | 50.01 | $ 325,285.13 |
| May 28, 2025 | Seetharam Soumya | Open Market Sale | 14313 | 50.01 | $ 715,797.42 |
| May 28, 2025 | Zhang John Z | Open Market Sale | 9610 | 49.29 | $ 473,678.82 |
| May 12, 2025 | Zhang John Z | Open Market Sale | 8000 | 46.91 | $ 375,293.60 |
| May 2, 2025 | TILLMAN MICHAUNE D | Option Excercise | 2238 | 45.76 | $ 102,410.88 |
| Apr 30, 2025 | Bell Michael Alan | Open Market Sale | 20262 | 44.06 | $ 892,768.03 |
| Apr 28, 2025 | O''Day Michael Paul | Option Excercise | 3496 | 44.10 | $ 154,173.60 |
| Apr 15, 2025 | Schlesinger Edward A | Option Excercise | 39356 | 0.00 | $ 0.00 |
| Apr 15, 2025 | Schlesinger Edward A | Option Excercise | 19168 | 41.78 | $ 800,839.04 |
| Apr 15, 2025 | O''Day Michael Paul | Option Excercise | 12947 | 0.00 | $ 0.00 |
| Apr 15, 2025 | O''Day Michael Paul | Option Excercise | 4955 | 41.78 | $ 207,019.90 |
| Apr 15, 2025 | Nelson Avery H III | Option Excercise | 34519 | 0.00 | $ 0.00 |
| Apr 15, 2025 | Nelson Avery H III | Option Excercise | 16812 | 41.78 | $ 702,405.36 |
| Apr 15, 2025 | Bell Michael Alan | Option Excercise | 34549 | 0.00 | $ 0.00 |
| Apr 15, 2025 | Bell Michael Alan | Option Excercise | 14287 | 41.78 | $ 596,910.86 |
| Apr 15, 2025 | Musser Eric S | Option Excercise | 93908 | 0.00 | $ 0.00 |
| Apr 15, 2025 | Musser Eric S | Option Excercise | 45734 | 41.78 | $ 1,910,766.52 |
| Apr 15, 2025 | Becker Stefan | Option Excercise | 32895 | 0.00 | $ 0.00 |
| Apr 15, 2025 | Becker Stefan | Option Excercise | 16794 | 41.78 | $ 701,653.32 |
| Apr 15, 2025 | Amin Jaymin | Option Excercise | 34682 | 0.00 | $ 0.00 |
| Apr 15, 2025 | Amin Jaymin | Option Excercise | 16892 | 41.78 | $ 705,747.76 |
| Apr 15, 2025 | Zhang John Z | Option Excercise | 35978 | 0.00 | $ 0.00 |
| Apr 15, 2025 | Zhang John Z | Option Excercise | 18368 | 41.78 | $ 767,415.04 |
| Apr 15, 2025 | WEEKS WENDELL P | Option Excercise | 250641 | 0.00 | $ 0.00 |
| Apr 15, 2025 | WEEKS WENDELL P | Option Excercise | 122063 | 41.78 | $ 5,099,792.14 |
| Apr 15, 2025 | Verkleeren Ronald L | Option Excercise | 35978 | 0.00 | $ 0.00 |
| Apr 15, 2025 | Verkleeren Ronald L | Option Excercise | 18368 | 41.78 | $ 767,415.04 |
| Apr 15, 2025 | STEVERSON LEWIS A | Option Excercise | 75067 | 0.00 | $ 0.00 |
| Apr 15, 2025 | STEVERSON LEWIS A | Option Excercise | 36559 | 41.78 | $ 1,527,435.02 |
| Feb 28, 2025 | WEEKS WENDELL P | Open Market Sale | 55831 | 50.11 | $ 2,797,853.32 |