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sellModerate cluster of 410b5-1 plan

Sherri R Luther sold $972k of COHR

Chief Financial Officer at COHERENT CORP.. 3,000 shares at an average of $324.00, traded Aug 18, 2026, filed Aug 20, 2026.

Warning score
42
Value
$972k
3,000 shares
Holdings after
64,475
-4% from before
From 52-week low
+254%
low $86.55, close $306.43
From 52-week high
-28%
high $426.89, as of Aug 18, 2026

Score components

  • Role
    CFO
    +22
  • Trade size
    $972k at market
    +25
  • Share of holdings sold
    Sold 4.4% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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.

COHROct 9, 2026 · close 312.62
Since filing Aug 20, 2026: +7.8%SPY +2.3% · excess +5.5%

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 0000899140-26-000912, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 18, 2026SOpen-market sale
Common Stock10b5-1
-3,000$324.00$972k64,475Aug 20, 2026

Related signals

Other insiders at COHERENT CORP. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
65Notable
COHRsell 5
COHERENT CORP.
Enrico Digirolomo
director
$1.6M
5,315 shares
-31%
41Moderate
COHRsell 5
COHERENT CORP.
Robert P Beard
Chief Strategy & Legal Officer
$155k
500 shares
-1%
54Moderate
COHRsell 5
COHERENT CORP.
Lisa Neal-Graves
director
$591k
2,200 shares
-14%
35Weak
COHRsell 610b5-1
COHERENT CORP.
Stephen A Skaggs
director
$629k
2,272 shares
-13%
35Weak
COHRsell 610b5-1
COHERENT CORP.
Enrico Digirolomo
director
$629k
2,272 shares
-12%
44Moderate
COHRsell 4
COHERENT CORP.
Enrico Digirolomo
director
$945k
3,911 shares
-15%
40Moderate
COHRsell 610b5-1
COHERENT CORP.
Julie Sheridan Eng
Chief Technology Officer
$3.6M
13,077 shares
-24%
16Weak
COHRsell10b5-1
COHERENT CORP.
Sherri R Luther
Chief Financial Officer
$307k
1,000 shares
-1%
31Weak
COHRsell 210b5-1
COHERENT CORP.
Sherri R Luther
Chief Financial Officer
$746k
2,000 shares
-3%
29Weak
COHRsell 2
COHERENT CORP.
Howard H. Xia
director
$709k
2,000 shares
-4%

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.

Sherri R Luther sold $972k of COHR | InsiderTell