Gregory R. Chemnitz, VP General Counsel & Secretary at MATERION Corp (MTRN), sold 4,577 shares at $113.23 ($518K) on 2025-11-04, disclosed to the SEC on 2025-11-06.
Seasonal sale ($518k) by VP General Counsel & Secretary — this insider has traded MTRN in November in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $112.96 | 1,053 | $119K | 23.0% |
| 2 | $113.13 | 1,796 | $203K | 39.2% |
| 3 | $113.23 | 864 | $98K | 18.9% |
| 4 | $113.23 | 864 | $98K | 18.9% |
| Total | $113.13 avg | 4,577 | $518K | 100% |
| Filing → |
| MTRN | SELL | 2025-08-06 | $631K | — | Filing → |
| MTRN | SELL | 2025-05-06 | $311K | — | Filing → |
| MTRN | SELL | 2024-11-12 | $235K | — | Filing → |