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sellNotable cluster of 3

Melissa A Fashinpaur sold $120k of MTRN

Chief Accounting Officer at MATERION Corp. 1,140 shares at an average of $105.34, traded Aug 4, 2025, filed Aug 6, 2025.

Warning score
60
Value
$120k
1,140 shares
Holdings after
0
-100% from before
From 52-week low
+47%
low $71.69, close $105.14
From 52-week high
-12%
high $119.15, as of Aug 4, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $120k at market
    +10
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    3 insiders selling within 14 days
    +15

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.

MTRNOct 9, 2026 · close 280.45
Since filing Aug 6, 2025: +158.2%SPY +24.7% · excess +133.4%

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 0001104657-25-000149, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 4, 2025SOpen-market sale
Common Stock
-1,140$105.34$120k0Aug 6, 2025

Related signals

Other insiders at MATERION Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
41Moderate
MTRNsell 2
MATERION Corp
Emily M Liggett
director
$235k
1,012 shares
-24%
45Moderate
MTRNsell 2
MATERION Corp
Vinod M Khilnani
director
$470k
2,000 shares
-15%
20Weak
MTRNsell
MATERION Corp
Shelly Marie Chadwick
Vice President, Finance & CFO
$237k
1,192 shares
-7%
23Weak
MTRNsell 510b5-1
MATERION Corp
Shelly Marie Chadwick
Vice President, Finance & CFO
$406k
2,539 shares
-14%
46Moderate
MTRNsell 5
MATERION Corp
Gregory R. Chemnitz
VP General Counsel & Secretary
$711k
4,517 shares
-43%
32Weak
MTRNsell 5
MATERION Corp
Melissa A Fashinpaur
Chief Accounting Officer
$49k
309 shares
-50%
72Notable
MTRNsell 5
MATERION Corp
Shelly Marie Chadwick
Vice President, Finance & CFO
$1.3M
8,976 shares
-36%
65Notable
MTRNsell 5
MATERION Corp
Jugal K. Vijayvargiya
President and CEO
$1.9M
12,245 shares
-9%
60Notable
MTRNsell 5
MATERION Corp
Gregory R. Chemnitz
VP General Counsel & Secretary
$628k
4,000 shares
-32%
54Moderate
MTRNsell 5
MATERION Corp
Vinod M Khilnani
director
$595k
4,000 shares
-23%

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.

Melissa A Fashinpaur sold $120k of MTRN | InsiderTell