Gregory R. Chemnitz sold $628k of MTRN
VP General Counsel & Secretary at MATERION Corp. 4,000 shares at an average of $157.09, traded Feb 17, 2026, filed Feb 19, 2026.
Score components
- +15RoleOfficer
- +20Trade size$628k at market
- +10Share of holdings soldSold 32% of holdings
- +15Cluster5 insiders selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m -12.5%, 3m +39.3%, 6m +54.5%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001519910-26-000006, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Feb 17, 2026 | SOpen-market sale Common Stock | -4,000 | $157.09 | $628k | 8,572 | Feb 19, 2026 |
Related signals
Other insiders at MATERION Corp and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 41Moderate | MATERION Corp | Emily M Liggett director | $235k 1,012 shares | -24% | |
| 45Moderate | MATERION Corp | Vinod M Khilnani director | $470k 2,000 shares | -15% | |
| 45Moderate | MATERION Corp | Shelly Marie Chadwick Vice President, Finance & CFO | $500k 1,705 shares | -10% | |
| 60Notable | MATERION Corp | Darlene J. S. Solomon director | $1.1M 3,705 shares | -12% | |
| 55Moderate | MATERION Corp | Jugal K. Vijayvargiya President and CEO | $7.1M 24,336 shares | -17% | |
| 47Moderate | MTRNsell MATERION Corp | Robert J Phillippy director | $765k 3,500 shares | -49% | |
| 46Moderate | MATERION Corp | Vinod M Khilnani director | $517k 2,500 shares | -16% | |
| 28Weak | MATERION Corp | Shelly Marie Chadwick Vice President, Finance & CFO | $237k 1,192 shares | -7% | |
| 23Weak | MATERION Corp | Shelly Marie Chadwick Vice President, Finance & CFO | $406k 2,539 shares | -14% | |
| 46Moderate | MATERION Corp | Gregory R. Chemnitz VP General Counsel & Secretary | $711k 4,517 shares | -43% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.