Gregory R. Chemnitz, VP General Counsel & Secretary at MATERION Corp (MTRN), sold 3,869 shares at $80.86 ($311K) on 2025-05-05, disclosed to the SEC on 2025-05-06.
Seasonal sale ($311k) by VP General Counsel & Secretary — this insider has traded MTRN in May in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $79.85 | 930 | $74K | 23.9% |
| 2 | $79.85 | 930 | $74K | 23.9% |
| 3 | $80.86 | 939 | $76K | 24.4% |
| 4 | $80.86 | 939 | $76K | 24.4% |
| 5 | $81.70 | 130 | $11K | 3.4% |
| 6 | $83.33 | 1 |
| $83 |
| 0.0% |
| Total | $80.40 avg | 3,869 | $311K | 100% |
| Filing → |
| MTRN | SELL | 2025-11-06 | $196K | — | Filing → |
| MTRN | SELL | 2025-08-06 | $631K | — | Filing → |
| MTRN | SELL | 2024-11-12 | $235K | — | Filing → |