Chadwick Shelly Marie (CIK 1688289) reported 27 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-08-11). Recent activity: Buy MTRN (2,172 shares), Sell MTRN (3,267 shares), Buy MTRN (2,800 shares), Sell MTRN (1,705 shares), Buy MTRN (4,912 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-11 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Buy | 2,172 | $189,746 |
| 2026-08-11 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 3,267 | $958,538 |
| 2026-08-11 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Buy | 2,800 | $379,624 |
| 2026-08-11 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 1,705 | $499,565 |
| 2026-05-12 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Buy | 4,912 | $556,431 |
| 2026-05-12 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 3,720 | $740,801 |
| 2026-05-12 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 1,192 | $237,065 |
| 2026-03-10 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Buy | 9 | $0 |
| 2026-03-10 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 6 | $865 |
| 2026-03-03 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 1,500 | $243,000 |
| 2026-03-03 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Buy | 5,552 | $0 |
| 2026-03-03 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 3,909 | $651,200 |
| 2026-03-03 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 1,039 | $163,393 |
| 2026-02-25 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 3,975 | $576,494 |
| 2026-02-25 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 5,001 | $735,147 |
| 2026-02-20 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Buy | 5,785 | $398,124 |
| 2026-02-20 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Buy | 4,911 | $397,054 |
| 2026-02-20 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 3,503 | $550,006 |
| 2026-02-20 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 3,217 | $503,975 |
| 2026-02-20 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 225 | $0 |
| 2026-02-13 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Buy | 3,554 | $0 |
| 2026-01-21 | APPLIED INDUSTRIAL TECHNOLOGIES INC (AIT) | Director | Buy | 572 | $0 |
| 2025-03-11 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Buy | 10 | $0 |
| 2025-03-11 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 5 | $444 |
| 2025-03-06 | MATERION Corp (MTRN) | Vice President, Finance & CFO | Sell | 1,256 | $108,104 |
Source: SEC Form 4 filings · as of 2026-08-11