The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Zhang John Z since 2021.
This trader's CIK number is 1825618.
At the time of last reporting, Zhang John Z was the Exec. Vice President & CCDO of Corning Inc /ny. (stock ticker symbol GLW).
Also see all insider trading activities at Corning Inc /ny.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | GLW | 0 | $0 | 32,933 | $1,673,161 | 17,480 | $424,983 |
| 2024 | GLW | 0 | $0 | 37,246 | $1,394,330 | 37,962 | $101,688 |
| 2023 | GLW | 0 | $0 | 25,399 | $843,376 | 61,208 | $0 |
| 2022 | GLW | 0 | $0 | 13,320 | $559,599 | 25,059 | $360,039 |
| 2021 | GLW | 0 | $0 | 30,822 | $1,313,522 | 35,651 | $638,007 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-08 | GLW | Option Ex | 2,476 | .00 | 0 |
| 2025-08-12 | GLW | Sale | 1,212 | 65.53 | 79,425 |
| 2025-05-28 | GLW | Sale | 9,610 | 49.29 | 473,676 |
| 2025-05-12 | GLW | Sale | 8,000 | 46.91 | 375,296 |
| 2025-02-18 | GLW | Option Ex | 12,529 | 33.92 | 424,983 |
| 2025-02-18 | GLW | Sale | 14,111 | 52.78 | 744,764 |
| 2025-02-10 | GLW | Option Ex | 2,475 | .00 | 0 |
| 2024-11-13 | GLW | Sale | 5,175 | 48.36 | 250,263 |
| 2024-11-13 | GLW | Option Ex | 5,175 | 19.65 | 101,688 |
| 2024-08-13 | GLW | Sale | 12,918 | 39.73 | 513,206 |
| 2024-08-08 | GLW | Option Ex | 3,196 | .00 | 0 |
| 2024-05-02 | GLW | Sale | 12,546 | 33.42 | 419,299 |
| 2024-04-15 | GLW | Option Ex | 23,200 | .00 | 0 |
| 2024-02-15 | GLW | Sale | 6,607 | 32.02 | 211,562 |
| 2024-02-08 | GLW | Option Ex | 6,391 | .00 | 0 |
| 2023-05-15 | GLW | Option Ex | 5,474 | .00 | 0 |
| 2023-05-05 | GLW | Sale | 15,000 | 31.45 | 471,780 |
| 2023-04-14 | GLW | Option Ex | 55,734 | .00 | 0 |
| 2023-02-16 | GLW | Sale | 5,744 | 35.52 | 204,003 |
| 2023-02-03 | GLW | Sale | 4,655 | 36.00 | 167,593 |
| 2022-05-16 | GLW | Option Ex | 5,474 | .00 | 0 |
| 2022-04-18 | GLW | Option Ex | 6,265 | .00 | 0 |
| 2022-02-04 | GLW | Sale | 13,320 | 42.01 | 559,599 |
| 2022-02-04 | GLW | Option Ex | 13,320 | 27.03 | 360,039 |
| 2021-05-03 | GLW | Option Ex | 16,843 | 23.32 | 392,862 |
| 2021-05-03 | GLW | Sale | 19,413 | 44.61 | 865,936 |
| 2021-04-15 | GLW | Option Ex | 7,399 | .00 | 0 |
| 2021-03-01 | GLW | Sale | 11,409 | 39.23 | 447,586 |
| 2021-03-01 | GLW | Option Ex | 11,409 | 21.49 | 245,145 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Zhang John Z (Exec. Vice President & CCDO of Corning Inc /ny at the time of this reporting) see the Securities and Exchange Commission (SEC) website.