Chemnitz Gregory R. 4

What Happened

• Gregory R. Chemnitz, VP General Counsel & Secretary of MATERION Corp (MTRN), sold 4,000 shares on 2026-02-17 in an open-market/ private sale. The shares were sold at $157.09 each for a total proceeds of $628,360. This was a sale (not a purchase or option exercise).

Key Details

• Transaction date and price: 2026-02-17 — 4,000 shares at $157.09 per share (total $628,360).
• Filing date: Form 4 filed 2026-02-19 (covers the Feb 17 transaction); no late-filing flag indicated in the provided details.
• Shares owned after transaction: Not specified in the supplied summary of the filing — see the full Form 4 for current holdings.
• Notable footnotes: None shown in the provided summary (no 10b5-1 plan, tax-withholding, or exercise noted).

Context

• Sales by officers are common and can reflect personal liquidity needs or routine portfolio management; they do not by themselves indicate the insider’s view of the company’s prospects. Retail investors should check the full Form 4 for holdings and any footnotes, and consider this trade alongside other insider activity and company fundamentals.