The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Chemnitz Gregory R. since 2017.
This trader's CIK number is 1519910.
At the time of last reporting, Chemnitz Gregory R. was the VP General Counsel & Secretary of Materion Corp. (stock ticker symbol MTRN).
Also see all insider trading activities at Materion Corp.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | MTRN | 0 | $0 | 5,000 | $477,943 | 2,679 | $0 |
| 2024 | MTRN | 0 | $0 | 9,000 | $1,071,401 | 4,133 | $0 |
| 2023 | MTRN | 0 | $0 | 7,178 | $766,793 | 13,384 | $639,907 |
| 2022 | MTRN | 0 | $0 | 7,568 | $652,873 | 11,704 | $635,819 |
| 2021 | MTRN | 0 | $0 | 6,700 | $448,900 | 3,431 | $251,217 |
| 2020 | MTRN | 0 | $0 | 5,287 | $318,907 | 9,405 | $380,213 |
| 2019 | MTRN | 0 | $0 | 3,000 | $172,920 | 0 | $0 |
| 2018 | MTRN | 0 | $0 | 11,000 | $616,718 | 11,543 | $312,332 |
| 2017 | MTRN | 0 | $0 | 13,000 | $618,279 | 30,600 | $990,648 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-04 | MTRN | Sale | 3,000 | 105.03 | 315,075 |
| 2025-05-05 | MTRN | Sale | 2,000 | 81.43 | 162,868 |
| 2025-03-01 | MTRN | Option Ex | 2,679 | .00 | 0 |
| 2024-11-07 | MTRN | Sale | 2,000 | 117.27 | 234,536 |
| 2024-11-04 | MTRN | Sale | 2,000 | 105.10 | 210,196 |
| 2024-05-13 | MTRN | Sale | 2,000 | 113.38 | 226,754 |
| 2024-03-01 | MTRN | Option Ex | 1,468 | .00 | 0 |
| 2024-02-17 | MTRN | Option Ex | 2,665 | .00 | 0 |
| 2024-02-20 | MTRN | Sale | 3,000 | 133.31 | 399,915 |
| 2023-08-29 | MTRN | Sale | 1,480 | 108.00 | 159,838 |
| 2023-08-28 | MTRN | Sale | 320 | 107.11 | 34,273 |
| 2023-05-17 | MTRN | Sale | 2,378 | 102.05 | 242,682 |
| 2023-05-05 | MTRN | Option Ex | 9,569 | 66.87 | 639,907 |
| 2023-03-01 | MTRN | Option Ex | 738 | .00 | 0 |
| 2023-02-23 | MTRN | Sale | 2,423 | 110.00 | 266,530 |
| 2023-02-27 | MTRN | Sale | 577 | 110.00 | 63,470 |
| 2023-02-19 | MTRN | Option Ex | 3,077 | .00 | 0 |
| 2022-08-19 | MTRN | Option Ex | 11,704 | 54.33 | 635,819 |
| 2022-08-19 | MTRN | Sale | 2,868 | 96.54 | 276,873 |
| 2022-05-13 | MTRN | Sale | 4,700 | 80.00 | 376,000 |
| 2021-03-01 | MTRN | Option Ex | 3,431 | 73.22 | 251,217 |
| 2021-02-22 | MTRN | Sale | 6,700 | 67.00 | 448,900 |
| 2020-08-13 | MTRN | Sale | 1,287 | 59.98 | 77,187 |
| 2020-08-10 | MTRN | Option Ex | 5,605 | 35.15 | 197,015 |
| 2020-08-10 | MTRN | Sale | 4,000 | 60.43 | 241,720 |
| 2020-02-24 | MTRN | Option Ex | 3,800 | 48.21 | 183,198 |
| 2019-02-21 | MTRN | Sale | 3,000 | 57.64 | 172,920 |
| 2018-11-01 | MTRN | Sale | 4,000 | 57.50 | 230,000 |
| 2018-08-03 | MTRN | Sale | 2,000 | 63.31 | 126,618 |
| 2018-05-08 | MTRN | Option Ex | 8,485 | 36.81 | 312,332 |
| 2018-05-04 | MTRN | Sale | 5,000 | 52.02 | 260,100 |
| 2018-03-02 | MTRN | Option Ex | 3,058 | .00 | 0 |
| 2017-11-01 | MTRN | Sale | 3,000 | 51.29 | 153,870 |
| 2017-11-02 | MTRN | Sale | 4,000 | 50.16 | 200,640 |
| 2017-10-30 | MTRN | Option Ex | 29,227 | 32.59 | 952,507 |
| 2017-10-30 | MTRN | Sale | 3,000 | 49.60 | 148,794 |
| 2017-07-31 | MTRN | Option Ex | 1,373 | 27.78 | 38,141 |
| 2017-07-31 | MTRN | Sale | 3,000 | 38.33 | 114,975 |
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 Chemnitz Gregory R. (VP General Counsel & Secretary of Materion Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.