Chemnitz Gregory R. Insider Trading Activity
Chemnitz Gregory R. has been net-selling over the last 12 months with 0 purchases and 6 sales across 1 company.
MTRN is the most-traded position with 6 trades. The largest single transaction was a sale of MTRN for $628K on Feb 17, 2026.
Performance Scorecard
Forward stock performance after each transaction by Chemnitz Gregory R.. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | +1.4% | 50% | 6 |
| 90 days | — | -26.8% | 0% | 6 |
| 120 days | — | -24.6% | 0% | 3 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersMTRN · MATERION Corp
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Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| MTRN | MATERION Corp | 6 | $1.8M |
Other insiders at MATERION Corp
3 other tracked filers at MTRN.