Skip to content
sellWeak cluster of 310b5-1 plan

Christopher Koeppen sold $277k of COHR

Chief Innovation Officer at COHERENT CORP.. 2,590 shares at an average of $107.00, traded Dec 3, 2024, filed Dec 4, 2024.

Warning score
24
Value
$277k
2,590 shares
Holdings after
60,502
-4% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $277k at market
    +14
  • Share of holdings sold
    Sold 4.1% of holdings
    0
  • Cluster
    3 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.

This signal so far: 1m -5.2%, 3m -35.9%, 6m -27.1%.

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 Dec 4, 2024: +179.1%SPY +31.0% · excess +148.1%

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 0001781635-24-000004, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 3, 2024SOpen-market sale
Common Stock10b5-1
-2,590$107.00$277k60,502Dec 4, 2024

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%
42Moderate
COHRsell 410b5-1
COHERENT CORP.
Sherri R Luther
Chief Financial Officer
$972k
3,000 shares
-4%
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%

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.

Christopher Koeppen sold $277k of COHR | InsiderTell