Skip to content
sellWeak10b5-1 plan

Carl Russo sold $1.2M of CALX

director, owner at CALIX, INC. 25,000 shares at an average of $47.27, traded Feb 3, 2026, filed Feb 4, 2026.

Warning score
20
Value
$1.2M
25,000 shares
Holdings after
1,669,188
-1% from before
From 52-week low
+64%
low $29.40, close $48.12
From 52-week high
-30%
high $68.42, as of Feb 3, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $1.2M at market
    +25
  • Share of holdings sold
    Sold 1.5% 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.

CALXOct 9, 2026 · close 37.24
Since filing Feb 4, 2026: -26.0%SPY +14.3% · excess -40.3%

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 0001483757-26-000005, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 3, 2026SOpen-market sale
Common Stockindirect: See Footnote10b5-1
-13,477$46.93$633k1,680,711Feb 4, 2026
Feb 3, 2026SOpen-market sale
Common Stockindirect: See Footnote10b5-1
-11,523$47.66$549k1,669,188Feb 4, 2026

Related signals

Other insiders at CALIX, INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
57Moderate
CALXsell 4
CALIX, INC
Cory Sindelar
Chief Financial Officer
$3.3M
50,000 shares
-40%
60Notable
CALXsell 4
CALIX, INC
Shane Todd Marshall Eleniak
Chief Product Officer
$1.5M
24,000 shares
-100%
25Weak
CALXsell 410b5-1
CALIX, INC
Carl Russo
director, owner
$27M
420,000 shares
-20%
60Notable
CALXsell 4
CALIX, INC
Shane Todd Marshall Eleniak
Chief Product Officer
$3.3M
50,000 shares
-100%
32Weak
CALXsell 410b5-1
CALIX, INC
Cory Sindelar
Chief Financial Officer
$1.4M
20,000 shares
-23%
50Moderate
CALXsell 410b5-1
CALIX, INC
Michael Weening
President & CEO
$18M
274,000 shares
-127%
43Moderate
CALXsell 210b5-1
CALIX, INC
Michael Weening
President & CEO
$11M
176,000 shares
-106%
43Moderate
CALXsell 210b5-1
CALIX, INC
Michael Weening
President & CEO
$1.4M
24,000 shares
-60%
43Moderate
CALXsell 210b5-1
CALIX, INC
Michael Weening
President & CEO
$7.6M
126,000 shares
-89%
19Weak
CALXsell 210b5-1
CALIX, INC
Cory Sindelar
Chief Financial Officer
$600k
10,000 shares
-12%

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.

Carl Russo sold $1.2M of CALX | InsiderTell