Skip to content
sellModerate cluster of 310b5-1 plan

Robert Matthew Johnson sold $771k of SLAB

President & CEO at SILICON LABORATORIES INC.. 5,879 shares at an average of $131.20, traded May 16, 2025, filed May 19, 2025.

Warning score
42
Value
$771k
5,879 shares
Holdings after
73,688
-7% from before
From 52-week low
+52%
low $86.17, close $131.16
From 52-week high
-17%
high $158.70, as of May 16, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $771k at market
    +22
  • Share of holdings sold
    Sold 7.4% of holdings
    0
  • Cluster
    3 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.

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 May 19, 2025: +73.8%SPY +33.1% · excess +40.8%

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 0001628280-25-026429, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 15, 2025AGrant or award
Common Stock, $0.0001 par value10b5-1
+39,282$0.00$087,192May 19, 2025
May 15, 2025FTax withholding
Common Stock, $0.0001 par value10b5-1
-7,625$133.17$1.0M79,567May 19, 2025
May 16, 2025SOpen-market sale
Common Stock, $0.0001 par value10b5-1
-5,879$131.20$771k73,688May 19, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
33Weak
SLABsell 310b5-1
SILICON LABORATORIES INC.
Robert J Conrad
Sr VP and General Manager
$529k
4,029 shares
-14%
21Weak
SLABsell 310b5-1
SILICON LABORATORIES INC.
Robert J Conrad
Sr VP Worldwide Operations
$152k
1,172 shares
-7%
17Weak
SLABsell 310b5-1
SILICON LABORATORIES INC.
Christy Wyatt
director
$57k
546 shares
-6%
6Weak
SLABsell10b5-1
SILICON LABORATORIES INC.
William G Bock
director
$149k
1,000 shares
-3%
9Weak
SLABsell10b5-1
SILICON LABORATORIES INC.
William G Bock
director
$282k
2,000 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.

Robert Matthew Johnson sold $771k of SLAB | InsiderTell