Robert J Phillippy sold $765k of MTRN
director at MATERION Corp. 3,500 shares at an average of $218.62, traded May 29, 2026, filed Jun 1, 2026.
Score components
- +15RoleDirector
- +22Trade size$765k at market
- +10Share of holdings soldSold 49% of holdings
- 0ClusterNo other insider 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.
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 0001213190-26-000015, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| May 29, 2026 | SOpen-market sale Common Stock | -1,320 | $217.67 | $287k | 5,844 | Jun 1, 2026 |
| May 29, 2026 | SOpen-market sale Common Stock | -1,084 | $218.59 | $237k | 4,760 | Jun 1, 2026 |
| May 29, 2026 | SOpen-market sale Common Stock | -740 | $219.54 | $162k | 4,020 | Jun 1, 2026 |
| May 29, 2026 | SOpen-market sale Common Stock | -356 | $220.30 | $78k | 3,664 | Jun 1, 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% | |
| 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% | |
| 32Weak | MATERION Corp | Melissa A Fashinpaur Chief Accounting Officer | $49k 309 shares | -50% |
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.