John D. Grampa, Senior VP Finance and CFO at MATERION Corp (MTRN), sold 12,170 shares at $33.31 ($402K) on 2014-05-08, disclosed to the SEC on 2014-05-12.
Open-market sale of $402k MTRN by Senior VP Finance and CFO. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $32.98 | 6,800 | $224K | 55.8% |
| 2 | $33.31 | 700 | $23K | 5.8% |
| 3 | $33.07 | 4,670 | $154K | 38.4% |
| Total | $33.03 avg | 12,170 | $402K | 100% |
| Filing → |
| PKOH | BUY | 2015-12-17 | $71K | — | Filing → |
| MTRN | SELL | 2014-11-10 | $144K | — | Filing → |
| MTRN | SELL | 2014-05-13 | $98K | — | Filing → |