Chemnitz Gregory R. - Insider Non-Derivative Transactions at MATERION Corp (MTRN) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Nov 4, 2025, Chemnitz Gregory R.'s relationship to MATERION Corp (MTRN) is Officer (VP General Counsel & Secretary), and currently has 13,036 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other MTRN insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Chemnitz Gregory R. - Insider Non-Derivative Transactions of MTRN Common Stock
Chemnitz Gregory R. - Insider Non-Derivative Transactions at MTRN
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Nov 5, 2025 | Sell -- (Common Stock) | 864 | 113.23 | 10376 |
| Nov 5, 2025 | F -- (Common Stock) | 1053 | 112.96 | 10782 |
| Nov 5, 2025 | F -- (Common Stock) | 1796 | 113.13 | 11240 |
| Nov 5, 2025 | M -- (Common Stock) | 1459 | 68.82 | 11835 |
| Nov 5, 2025 | M -- (Common Stock) | 2254 | 80.85 | 13036 |
| Aug 5, 2025 | Sell -- (Common Stock) | 2082 | 105.4 | 10376 |
| Aug 5, 2025 | Sell -- (Common Stock) | 918 | 104.65 | 12458 |
| May 6, 2025 | Sell -- (Common Stock) | 1 | 83.33 | 13376 |
| May 6, 2025 | Sell -- (Common Stock) | 130 | 81.7 | 13377 |
| May 6, 2025 | Sell -- (Common Stock) | 939 | 80.86 | 13507 |
| May 6, 2025 | Sell -- (Common Stock) | 930 | 79.85 | 14446 |
| Mar 11, 2025 | F -- (Common Stock) | 6 | 88.77 | 15376 |
| Mar 8, 2025 | Acquisition -- (Common Stock) | 8 | 0 | 15382 |
| Mar 4, 2025 | F -- (Common Stock) | 1356 | 87.36 | 15374 |
| Mar 2, 2025 | M -- (Common Stock) | 2679 | 0 | 16730 |
| Feb 14, 2025 | Acquisition -- (Common Stock) | 2020 | 0 | 14051 |
| Nov 8, 2024 | Sell -- (Common Stock) | 1500 | 117.87 | 12031 |
| Nov 8, 2024 | Sell -- (Common Stock) | 500 | 116.67 | 13531 |
| Nov 5, 2024 | Sell -- (Common Stock) | 2000 | 105.1 | 14031 |
| Aug 9, 2024 | Sell -- (Common Stock) | 2000 | 112.87 | 16031 |
| May 14, 2024 | Sell -- (Common Stock) | 216 | 114.24 | 18031 |
| May 14, 2024 | Sell -- (Common Stock) | 1415 | 113.38 | 18247 |
| May 14, 2024 | Sell -- (Common Stock) | 369 | 112.52 | 19662 |
| Mar 9, 2024 | F -- (Common Stock) | 5 | 132.28 | 20031 |
| Mar 9, 2024 | Acquisition -- (Common Stock) | 6 | 0 | 20036 |
| Mar 2, 2024 | F -- (Common Stock) | 643 | 135.58 | 20030 |
| Mar 2, 2024 | M -- (Common Stock) | 1468 | 0 | 20673 |
| Feb 22, 2024 | F -- (Common Stock) | 1943 | 131.48 | 19205 |
| Feb 21, 2024 | Sell -- (Common Stock) | 1057 | 134.89 | 14510 |
| Feb 21, 2024 | Sell -- (Common Stock) | 882 | 133.85 | 15567 |
| Feb 21, 2024 | Sell -- (Common Stock) | 789 | 132.79 | 16449 |
| Feb 21, 2024 | Sell -- (Common Stock) | 272 | 131.7 | 17238 |
| Feb 18, 2024 | M -- (Common Stock) | 2665 | 0 | 17175 |
| Feb 18, 2024 | Acquisition -- (Common Stock) | 3973 | 131.48 | 21148 |
| Aug 30, 2023 | Sell -- (Common Stock) | 63 | 108.15 | 17510 |
| Aug 30, 2023 | Sell -- (Common Stock) | 1417 | 107.85 | 17573 |
| Aug 29, 2023 | Sell -- (Common Stock) | 320 | 107.11 | 18990 |
| May 18, 2023 | Sell -- (Common Stock) | 2378 | 102.05 | 19310 |
| May 6, 2023 | F -- (Common Stock) | 7191 | 106.52 | 21688 |
| May 6, 2023 | M -- (Common Stock) | 5522 | 50.95 | 24832 |
| May 6, 2023 | M -- (Common Stock) | 2920 | 68.82 | 27752 |
| May 6, 2023 | M -- (Common Stock) | 1127 | 80.85 | 28879 |
| Mar 11, 2023 | F -- (Common Stock) | 3 | 107.02 | 19310 |
| Mar 11, 2023 | Acquisition -- (Common Stock) | 5 | 0 | 19313 |
| Mar 2, 2023 | F -- (Common Stock) | 213 | 113.28 | 19308 |
| Mar 2, 2023 | M -- (Common Stock) | 738 | 0 | 19521 |
| Feb 28, 2023 | Sell -- (Common Stock) | 577 | 110 | 18783 |
| Feb 24, 2023 | Sell -- (Common Stock) | 2423 | 110 | 19360 |
| Feb 22, 2023 | F -- (Common Stock) | 982 | 107.58 | 21783 |
| Feb 22, 2023 | F -- (Common Stock) | 920 | 107.58 | 22765 |
| Feb 20, 2023 | M -- (Common Stock) | 3077 | 0 | 20272 |
| Feb 20, 2023 | Acquisition -- (Common Stock) | 3413 | 0 | 23685 |
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