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sellWeak10b5-1 plan

Or Offer sold $1.2M of SMWB

Chief Executive Officer at SIMILARWEB LTD.. 147,000 shares at an average of $8.17, traded Sep 8, 2026, filed Sep 10, 2026.

Warning score
30
Value
$1.2M
147,000 shares
Holdings after
4,451,291
-3% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $1.2M at market
    +25
  • Share of holdings sold
    Sold 3.2% 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.

SMWBOct 9, 2026 · close 9.05
Since filing Sep 10, 2026: +11.7%SPY +3.0% · excess +8.7%

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 0001976408-26-000832, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 8, 2026SOpen-market sale
Ordinary shares10b5-1
-60,700$8.33$506k4,537,59133 d ago
Sep 9, 2026SOpen-market sale
Ordinary shares10b5-1
-86,300$8.06$695k4,451,29133 d ago

Related signals

Other insiders at SIMILARWEB LTD. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
28Weak
SMWBsell10b5-1
SIMILARWEB LTD.
Or Offer
Chief Executive Officer
$879k
114,300 shares
-3%
23Weak
SMWBsell10b5-1
SIMILARWEB LTD.
Or Offer
Chief Executive Officer
$531k
62,900 shares
-2%
24Weak
SMWBsell10b5-1
SIMILARWEB LTD.
Or Offer
Chief Executive Officer
$580k
69,700 shares
-2%
25Weak
SMWBsell10b5-1
SIMILARWEB LTD.
Or Offer
Chief Executive Officer
$638k
76,119 shares
-2%
26Weak
SMWBsell10b5-1
SIMILARWEB LTD.
Or Offer
Chief Executive Officer
$679k
79,591 shares
-2%
26Weak
SMWBsell10b5-1
SIMILARWEB LTD.
Or Offer
Chief Executive Officer
$679k
79,591 shares
-2%
26Weak
SMWBsell10b5-1
SIMILARWEB LTD.
Or Offer
Chief Executive Officer
$679k
79,591 shares
-2%
29Weak
SMWBsell10b5-1
SIMILARWEB LTD.
Or Offer
Chief Executive Officer
$952k
118,200 shares
-3%
53Moderate
SMWBbuy 2
SIMILARWEB LTD.
Barak Eilam
director
$193k
50,000 shares
+97%
40Moderate
SMWBbuy 2
SIMILARWEB LTD.
Harel Moshe Beit-On
director
$292k
75,000 shares
+1%

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.