Chemnitz Gregory R.
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Chemnitz Gregory R.. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| MTRN | VP General Counsel & Secretary | Tax Withholding | 1,796 | $113.13 | $203,181 | Nov 4, 2025 |
| MTRN | VP General Counsel & Secretary | Sale | 2,082 | $105.40 | $219,443 | Aug 4, 2025 |
| MTRN | VP General Counsel & Secretary | Sale | 930 | $79.85 | $74,261 | May 5, 2025 |
| MTRN | VP General Counsel & Secretary | Award / Grant | 8 | — | — | Mar 10, 2025 |
| MTRN | VP General Counsel & Secretary | Option Exercise | 2,679 | — | — | Mar 3, 2025 |
| MTRN | VP General Counsel & Secretary | Award / Grant | 2,020 | — | — | Feb 13, 2025 |
| MTRN | VP General Counsel & Secretary | Sale | 500 | $116.67 | $58,335 | Nov 7, 2024 |
| MTRN | VP General Counsel & Secretary | Sale | 2,000 | $105.10 | $210,200 | Nov 4, 2024 |
| MTRN | VP General Counsel & Secretary | Sale | 2,000 | $112.87 | $225,740 | Aug 8, 2024 |
| MTRN | VP General Counsel & Secretary | Sale | 369 | $112.52 | $41,520 | May 13, 2024 |
| MTRN | VP General Counsel & Secretary | Tax Withholding | 5 | $132.28 | $661 | Mar 8, 2024 |
| MTRN | VP General Counsel & Secretary | Tax Withholding | 643 | $135.58 | $87,178 | Mar 1, 2024 |
| MTRN | VP General Counsel & Secretary | Award / Grant | 3,973 | $131.48 | $522,370 | Feb 21, 2024 |
| MTRN | VP General Counsel & Secretary | Sale | 1,057 | $134.89 | $142,579 | Feb 20, 2024 |
| MTRN | VP General Counsel & Secretary | Sale | 1,417 | $107.85 | $152,823 | Aug 28, 2023 |
| MTRN | VP General Counsel & Secretary | Sale | 2,378 | $102.05 | $242,675 | May 17, 2023 |
| MTRN | VP General Counsel & Secretary | Tax Withholding | 7,191 | $106.52 | $765,985 | May 5, 2023 |
| MTRN | VP General Counsel & Secretary | Tax Withholding | 3 | $107.02 | $321 | Mar 10, 2023 |
| MTRN | VP General Counsel & Secretary | Tax Withholding | 213 | $113.28 | $24,129 | Mar 1, 2023 |
| MTRN | VP General Counsel & Secretary | Sale | 2,423 | $110.00 | $266,530 | Feb 27, 2023 |
| MTRN | VP General Counsel & Secretary | Award / Grant | 3,413 | — | — | Feb 19, 2023 |
| MTRN | VP General Counsel & Secretary | Sale | 368 | $96.80 | $35,622 | Aug 19, 2022 |
| MTRN | VP General Counsel & Secretary | Sale | 4,700 | $80.00 | $376,000 | May 13, 2022 |
| MTRN | VP General Counsel & Secretary | Option Exercise | 3,799 | — | — | Feb 22, 2022 |
| MTRN | VP General Counsel & Secretary | Tax Withholding | 1,341 | $81.19 | $108,876 | Feb 22, 2022 |
| MTRN | VP General Counsel & Secretary | Award / Grant | 1,531 | — | — | Feb 17, 2022 |
| MTRN | VP General Counsel & Secretary | Award / Grant | 3,022 | — | — | Feb 1, 2022 |
| MTRN | VP General Counsel & Secretary | Tax Withholding | 1,007 | $73.22 | $73,733 | Mar 1, 2021 |
| MTRN | VP General Counsel & Secretary | Sale | 6,700 | $67.00 | $448,900 | Feb 22, 2021 |
| MTRN | VP General Counsel & Secretary | Award / Grant | 6,860 | $63.72 | $437,119 | Feb 3, 2021 |
| MTRN | VP General Counsel & Secretary | Sale | 1,287 | $59.98 | $77,194 | Aug 13, 2020 |
| MTRN | VP General Counsel & Secretary | Option Exercise | 5,605 | $35.15 | $197,016 | Aug 10, 2020 |
| MTRN | VP General Counsel & Secretary | Award / Grant | 3,800 | $59.45 | $225,910 | Mar 6, 2020 |
| MTRN | VP General Counsel & Secretary | Tax Withholding | 1,150 | $48.21 | $55,442 | Feb 24, 2020 |
| MTRN | VP General Counsel & Secretary | Tax Withholding | 4,174 | $44.99 | $187,788 | Mar 8, 2019 |
| MTRN | VP General Counsel & Secretary | Sale | 2,174 | $58.18 | $126,483 | Feb 22, 2019 |
| MTRN | VP General Counsel & Secretary | Disposition | 6,106 | $58.30 | $355,980 | Feb 22, 2019 |
| MTRN | VP General Counsel & Secretary | Sale | 700 | $57.78 | $40,446 | Feb 21, 2019 |
| MTRN | VP General Counsel & Secretary | Sale | 4,000 | $57.50 | $230,000 | Nov 1, 2018 |
| MTRN | VP General Counsel & Secretary | Sale | 2,000 | $63.31 | $126,620 | Aug 3, 2018 |
| MTRN | VP General Counsel & Secretary | Disposition | 5,747 | $54.35 | $312,349 | May 8, 2018 |
| MTRN | VP General Counsel & Secretary | Sale | 5,000 | $52.02 | $260,100 | May 4, 2018 |
| MTRN | VP General Counsel & Secretary | Tax Withholding | 897 | $48.60 | $43,594 | Mar 12, 2018 |
| MTRN | VP General Counsel & Secretary | Option Exercise | 3,058 | — | — | Mar 2, 2018 |
| MTRN | VP General Counsel & Secretary | Sale | 4,000 | $50.16 | $200,640 | Nov 2, 2017 |
| MTRN | VP General Counsel & Secretary | Sale | 3,000 | $51.29 | $153,870 | Nov 1, 2017 |
| MTRN | VP General Counsel & Secretary | Sale | 3,000 | $49.60 | $148,800 | Oct 30, 2017 |
| MTRN | VP General Counsel & Secretary | Option Exercise | 7,865 | $33.29 | $261,826 | Oct 30, 2017 |
| MTRN | VP General Counsel & Secretary | Award / Grant | 13 | — | — | Sep 5, 2017 |
| MTRN | VP General Counsel & Secretary | Sale | 2,250 | $38.25 | $86,063 | Jul 31, 2017 |