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sellWeak10b5-1 plan

Sudhir Gopalswamy sold $1.2M of ON

Group President, AMG & ISG at ON SEMICONDUCTOR CORP. 15,578 shares at an average of $80.00, traded Oct 1, 2026, filed Oct 2, 2026.

Warning score
25
Value
$1.2M
15,578 shares
Holdings after
158,177
-9% from before
From 52-week low
+78%
low $44.90, close $80.08
From 52-week high
-40%
high $133.93, as of Oct 1, 2026

Score components

  • Role
    President
    +20
  • Trade size
    $1.2M at market
    +25
  • Share of holdings sold
    Sold 9.0% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • 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.

ONOct 9, 2026 · close 77.53
Since filing Oct 2, 2026: -8.7%SPY +1.1% · excess -9.8%

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 0001225208-26-008113, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026SOpen-market sale
Common10b5-1
-15,578$80.00$1.2M158,17711 d ago

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
32Weak
ONsell10b5-1
ON SEMICONDUCTOR CORP
Trent Thad
Exec VP & CFO
$5.8M
60,000 shares
-18%
27Weak
ONsell10b5-1
ON SEMICONDUCTOR CORP
Trent Thad
Exec VP & CFO
$2.4M
30,000 shares
-8%
35Weak
ONsell
ON SEMICONDUCTOR CORP
Sudhir Gopalswamy
Group President, AMG & ISG
$359k
6,114 shares
-3%
65Notable
ONsell 3
ON SEMICONDUCTOR CORP
Simon Keeton
Group President, PSG
$3.5M
48,860 shares
-20%
65Notable
ONsell 3
ON SEMICONDUCTOR CORP
Hassane El-Khoury
CEO & President
$1.5M
20,000 shares
-2%
47Moderate
ONsell 310b5-1
ON SEMICONDUCTOR CORP
Trent Thad
Exec VP & CFO
$4.3M
60,000 shares
-15%
53Moderate
ONsell 2
ON SEMICONDUCTOR CORP
Simon Keeton
Group President, PSG
$1.2M
21,000 shares
-8%
55Moderate
ONsell 2
ON SEMICONDUCTOR CORP
Trent Thad
Exec VP & CFO
$1.1M
20,000 shares
-5%
47Moderate
ONsell
ON SEMICONDUCTOR CORP
Hassane El-Khoury
CEO & President
$768k
15,000 shares
-2%
8Weak
ONsell10b5-1
ON SEMICONDUCTOR CORP
Alan Campbell
director
$275k
5,371 shares
-6%

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.

Sudhir Gopalswamy sold $1.2M of ON | InsiderTell