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sellWeak cluster of 210b5-1 plan

Charles H Giancarlo sold $620k of ANET

director at Arista Networks, Inc.. 8,000 shares at an average of $77.55, traded Apr 1, 2025, filed Apr 3, 2025.

Warning score
23
Value
$620k
8,000 shares
Holdings after
139,784
-5% from before
From 52-week low
+1%
low $77.48, close $78.49
From 52-week high
-40%
high $129.82, as of Apr 1, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $620k at market
    +20
  • Share of holdings sold
    Sold 5.4% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8
  • 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.

ANETOct 9, 2026 · close 216.74
Since filing Apr 3, 2025: +204.1%SPY +47.5% · excess +156.6%

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 0001596532-25-000089, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 1, 2025SOpen-market sale
Common Stockindirect: by Trust10b5-1
-1,700$76.71$130k146,084Apr 3, 2025
Apr 1, 2025SOpen-market sale
Common Stockindirect: by Trust10b5-1
-5,776$77.73$449k140,308Apr 3, 2025
Apr 1, 2025SOpen-market sale
Common Stockindirect: by Trust10b5-1
-524$78.25$41k139,784Apr 3, 2025

Related signals

Other insiders at Arista Networks, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
45Moderate
ANETsell 310b5-1
Arista Networks, Inc.
Jayshree Ullal
CEO and Chairperson
$21M
96,992 shares
-2%
30Weak
ANETsell 310b5-1
Arista Networks, Inc.
Chantelle Yvette Breithaupt
Senior Vice President, CFO
$263k
1,224 shares
-2%
45Moderate
ANETsell 310b5-1
Arista Networks, Inc.
Jayshree Ullal
CEO and Chairperson
$98M
460,374 shares
-9%
35Weak
ANETsell 510b5-1
Arista Networks, Inc.
Mark B Templeton
director
$1.0M
5,000 shares
-9%
45Moderate
ANETsell 510b5-1
Arista Networks, Inc.
Jayshree Ullal
CEO and Chairperson
$13M
62,622 shares
-1%
45Moderate
ANETsell 410b5-1
Arista Networks, Inc.
Kenneth Duda
President and CTO
$8.8M
43,333 shares
-143%
32Weak
ANETsell 410b5-1
Arista Networks, Inc.
Andreas Bechtolsheim
owner
$60M
300,000 shares
-0%
35Weak
ANETsell 410b5-1
Arista Networks, Inc.
Mark B Templeton
director
$986k
5,000 shares
-9%
20Weak
ANETsell 210b5-1
Arista Networks, Inc.
Chantelle Yvette Breithaupt
Senior Vice President, CFO
$120k
612 shares
-1%
38Weak
ANETsell 210b5-1
Arista Networks, Inc.
Kenneth Duda
President and CTO
$7.8M
58,000 shares
-129%

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.