Ticker: GLW CUSIP: 219350105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 170,500 | $14,929 | $85.98 | $77.39 - $96.64 |
| Q3 2025 | 209,500 | $17,185 | $64.97 | $50.94 - $81.93 |
| Q2 2025 | 248,500 | $13,069 | $46.30 | $36.82 - $52.47 |
| Q1 2025 | 225,500 | $10,323 | $48.55 | $43.53 - $54.30 |
| Q1 2024 | 333,300 | $10,986 | $30.45 | $28.32 - $32.29 |
| Q4 2023 | 521,000 | $15,864 | $27.12 | $23.85 - $29.36 |
| Q3 2023 | 828,000 | $25,229 | $30.70 | $28.22 - $33.67 |
| Q2 2023 | 828,000 | $29,013 | $30.60 | $28.39 - $33.72 |
| Q1 2023 | 828,000 | $29,212 | $32.11 | $29.39 - $34.14 |
| Q4 2022 | 828,000 | $26,446 | $29.73 | $26.59 - $31.97 |
| Q3 2022 | 908,000 | $0 | $30.75 | $26.45 - $34.17 |
| Q2 2022 | 1,100,000 | $34,661 | $31.05 | $28.04 - $33.53 |
| Q1 2022 | 1,100,000 | $40,601 | $34.93 | $30.29 - $38.80 |
| Q4 2021 | 1,650,000 | $61,430 | $33.34 | $31.26 - $35.25 |
| Q3 2021 | 1,650,000 | $60,209 | $35.29 | $32.36 - $37.53 |
| Q2 2021 | 1,650,000 | $67,485 | $38.31 | $33.97 - $41.06 |
| Q1 2021 | 1,600,000 | $69,616 | $33.60 | $30.34 - $38.69 |
| Q4 2020 | 970,000 | $34,920 | $30.87 | $27.10 - $33.50 |
| Q3 2020 | 800,000 | $25,928 | $26.66 | $22.06 - $29.33 |
| Q2 2020 | 930,000 | $24,087 | $19.40 | $15.19 - $24.47 |
| Q1 2020 | 930,000 | $19,790 | $22.10 | $14.86 - $25.72 |
| Q4 2019 | 850,000 | $24,659 | $24.43 | $22.45 - $26.10 |
| Q3 2019 | 800,000 | $22,704 | $24.98 | $22.31 - $28.54 |
| Q2 2019 | 800,000 | $26,584 | $26.62 | $23.82 - $29.24 |
| Q1 2019 | 800,000 | $26,480 | $27.05 | $23.03 - $29.16 |
| Q4 2018 | 800,000 | $23,800 | $26.17 | $22.76 - $29.38 |
| Q3 2018 | 800,000 | $28,312 | $26.48 | $22.14 - $29.90 |
| Q2 2018 | 815,000 | $21,997 | $22.38 | $21.10 - $23.67 |
| Q1 2018 | 670,000 | $18,680 | $24.81 | $21.97 - $28.19 |
| Q4 2017 | 590,000 | $19,057 | $25.23 | $23.59 - $26.36 |
| Q3 2017 | 500,000 | $14,975 | $23.59 | $22.03 - $25.57 |
| Q2 2017 | 470,000 | $14,274 | $22.77 | $20.81 - $24.32 |
| Q1 2017 | 475,000 | $13,091 | $20.97 | $18.97 - $22.43 |
| Q4 2016 | 450,000 | $10,998 | $18.64 | $17.38 - $19.93 |
| Q3 2016 | 450,000 | $10,584 | $17.37 | $15.37 - $18.61 |
| Q2 2016 | 490,000 | $9,707 | $15.51 | $14.06 - $16.55 |
| Q1 2016 | 370,000 | $7,711 | $14.25 | $12.36 - $16.26 |
| Q4 2015 | 370,000 | $6,841 | $13.86 | $12.46 - $14.78 |
| Q3 2015 | 370,000 | $6,179 | $13.63 | $11.66 - $15.13 |
| Q2 2015 | 326,000 | $6,422 | $16.12 | $14.79 - $17.27 |
| Q1 2015 | 351,640 | $8,172 | $17.82 | $16.37 - $18.82 |
| Q4 2014 | 330,000 | $7,653 | $15.20 | $12.68 - $17.59 |
| Q3 2014 | 250,000 | $4,888 | $15.47 | $14.31 - $16.57 |
| Q2 2014 | 205,000 | $4,510 | $15.67 | $14.87 - $16.45 |
| Q1 2014 | 170,000 | $3,504 | $13.82 | $12.14 - $15.48 |
| Q4 2013 | 170,000 | $3,023 | $12.05 | $10.08 - $13.18 |
| Q3 2013 | 206,819 | $3,046 | $10.75 | $10.09 - $11.23 |
| Q2 2013 | 190,349 | $2,722 | $10.49 | $9.09 - $11.82 |