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sellWeak cluster of 610b5-1 plan

Tang Agnes sold $144k of IPGP

director at IPG PHOTONICS CORP. 1,881 shares at an average of $76.75, traded Nov 25, 2025, filed Nov 25, 2025.

Warning score
26
Value
$144k
1,881 shares
Holdings after
8,663
-18% from before
From 52-week low
+56%
low $49.68, close $77.61
From 52-week high
-14%
high $89.75, as of Nov 25, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $144k at market
    +11
  • Share of holdings sold
    Sold 18% of holdings
    +5
  • Cluster
    6 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 -3.8%, 3m +69.7%, 6m +54.4%.

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 12, 2026 · close 76.05
Since filing Nov 25, 2025: -2.0%SPY +16.5% · excess -18.5%

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 0001111928-25-000180, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 25, 2025SOpen-market sale
Common Stock10b5-1
-1,781$76.72$137k8,763Nov 25, 2025
Nov 25, 2025SOpen-market sale
Common Stock10b5-1
-100$77.25$7,7258,663Nov 25, 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 Shcherbakov
CEO
$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 Shcherbakov
CEO
$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 Shcherbakov
CEO
$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.

Tang Agnes sold $144k of IPGP | InsiderTell