Darlene J. S. Solomon, Director at MATERION Corp (MTRN), sold 3,705 shares at $292.22 ($1.1M) on 2026-08-07, disclosed to the SEC on 2026-08-11.
Open-market sale of $1.1M 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.