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sellWeak10b5-1 plan

William G Bock sold $149k of SLAB

director at SILICON LABORATORIES INC.. 1,000 shares at an average of $149.43, traded Feb 18, 2025, filed Feb 18, 2025.

Warning score
6
Value
$149k
1,000 shares
Holdings after
31,115
-3% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Director
    +15
  • Trade size
    $149k at market
    +11
  • Share of holdings sold
    Sold 3.1% 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.

SLABOct 9, 2026 · close 222.04
Since filing Feb 18, 2025: +44.3%SPY +29.8% · excess +14.5%

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 0001628280-25-006155, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 18, 2025SOpen-market sale
Common Stock, $0.0001 par value10b5-1
-1,000$149.43$149k31,115Feb 18, 2025

Related signals

Other insiders at SILICON LABORATORIES INC. and this insider’s other filings.

ScoreSideCompanyInsiderValueSharesFiled
9Weaksell10b5-1SLAB
SILICON LABORATORIES INC.
William G Bock
director
$282k2,000

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.

William G Bock sold $149k of SLAB | InsiderTell