Gregory R. Chemnitz, VP General Counsel & Secretary at MATERION Corp (MTRN), sold 6,000 shares at $104.65 ($631K) on 2025-08-04, disclosed to the SEC on 2025-08-06.
Seasonal sale ($631k) by VP General Counsel & Secretary — this insider has traded MTRN in August in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $104.65 | 918 | $96K | 15.2% |
| 2 | $104.65 | 918 | $96K | 15.2% |
| 3 | $105.40 | 2,082 | $219K | 34.8% |
| 4 | $105.40 | 2,082 | $219K | 34.8% |
| Total | $105.17 avg | 6,000 | $631K | 100% |
| Filing → |
| MTRN | SELL | 2025-11-06 | $196K | — | Filing → |
| MTRN | SELL | 2025-05-06 | $311K | — | Filing → |
| MTRN | SELL | 2024-11-12 | $235K | — | Filing → |