Joseph P. Keithley, Director at MATERION Corp (MTRN), sold 8,000 shares at $50.60 ($405K) on 2018-02-20, disclosed to the SEC on 2018-02-20.
Open-market sale of $405k MTRN by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| ACLS | SELL | 2023-06-14 | $91K | — | Filing → |
| ACLS | SELL | 2023-06-07 | $173K | — | Filing → |
| ACLS | SELL | 2023-06-06 | $152K | — | Filing → |