Shelly Marie Chadwick, Vice President, Finance & CFO at MATERION, sold MTRN on Aug 7, 2026
Data as of Oct 27
▼ SELL$500K1,705 shares at $293.00Shelly Marie Chadwick Vice President, Finance & CFOMTRN MATERION Corp
- Traded
- Aug 7, 2026
- Disclosed
- Aug 11, 2026
- Filed
- 4 days after the trade
Form 4s are due within two business days.
Official filing (SEC Form 4) ↗
The price around the disclosure
MTRN since disclosure
−16.1%
after the sale
Similar stocks (XLB) since disclosure
−2.7%
XLB — its sector index fund
Change in closing price from Aug 11, 2026 (the first trading day on or after disclosure) to Oct 27, 2026. Dividends excluded. Not a return anyone earned.
Our take
None of our tested rules fired on this trade.