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sellWeak cluster of 410b5-1 plan

Valentin Gapontsev Trust I sold $5.4M of IPGP

owner at IPG PHOTONICS CORP. 66,500 shares at an average of $80.70, traded Sep 15, 2025, filed Sep 16, 2025.

Warning score
32
Value
$5.4M
66,500 shares
Holdings after
7,059,099
-1% from before
From 52-week low
+62%
low $49.68, close $80.34
From 52-week high
-6%
high $85.75, as of Sep 15, 2025

Score components

  • Role
    10% owner
    +12
  • Trade size
    $5.4M at market
    +25
  • Share of holdings sold
    Sold 0.9% 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.

This signal so far: 1m +5.8%, 3m -5.8%, 6m +41.3%.

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.

IPGPOct 9, 2026 · close 78.27
Since filing Sep 16, 2025: -4.2%SPY +19.5% · excess -23.7%

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 0001111928-25-000138, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 15, 2025SOpen-market sale
Common Stock10b5-1
-37,894$80.54$3.1M7,087,705Sep 16, 2025
Sep 15, 2025SOpen-market sale
Common Stock10b5-1
-14,426$81.15$1.2M7,073,279Sep 16, 2025
Sep 16, 2025SOpen-market sale
Common Stock10b5-1
-14,180$80.67$1.1M7,059,099Sep 16, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
25Weak
IPGPsell 210b5-1
IPG PHOTONICS CORP
Ip Fibre Devices Ltd
owner
$1.3M
15,361 shares
-0%
16Weak
IPGPsell 210b5-1
IPG PHOTONICS CORP
Eugene A Scherbakov
director, owner
$260k
3,048 shares
-6%
17Weak
IPGPsell10b5-1
IPG PHOTONICS CORP
Valentin Gapontsev Trust I
owner
$2.1M
27,397 shares
-0%
48Moderate
IPGPbuy
IPG PHOTONICS CORP
John R Peeler
director
$199k
2,710 shares
+15%
32Weak
IPGPsell 310b5-1
IPG PHOTONICS CORP
Ip Fibre Devices Ltd
owner
$2.9M
30,313 shares
-0%
32Weak
IPGPsell 310b5-1
IPG PHOTONICS CORP
Ip Fibre Devices Ltd
owner
$2.3M
27,000 shares
-0%
21Weak
IPGPsell 310b5-1
IPG PHOTONICS CORP
Eugene A Scherbakov
director, owner
$132k
1,524 shares
-3%
32Weak
IPGPsell 310b5-1
IPG PHOTONICS CORP
Valentin Gapontsev Trust I
owner
$5.8M
56,316 shares
-1%
32Weak
IPGPsell 410b5-1
IPG PHOTONICS CORP
Ip Fibre Devices Ltd
owner
$6.8M
65,700 shares
-1%
21Weak
IPGPsell 410b5-1
IPG PHOTONICS CORP
Eugene A Scherbakov
director, owner
$155k
1,524 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.