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sellModerate cluster of 410b5-1 plan

Kenneth Duda sold $18M of ANET

CTO and SVP Software Eng. at Arista Networks, Inc.. 160,000 shares at an average of $115.61, traded Feb 6, 2025, filed Feb 10, 2025.

Warning score
40
Value
$18M
160,000 shares
Holdings after
650,400
-172% from before
From 52-week low
+34%
low $85.73, close $115.27
From 52-week high
-11%
high $129.82, as of Feb 6, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $18.5M at market
    +25
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    4 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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.

ANETOct 9, 2026 · close 216.74
Since filing Feb 10, 2025: +80.3%SPY +31.2% · excess +49.0%

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 0001596532-25-000011, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 6, 2025MOption exercise
Common Stock10b5-1
+80,000$4.03$322k92,976Feb 10, 2025
Feb 6, 2025SOpen-market sale
Common Stock10b5-1
-13,300$114.46$1.5M79,676Feb 10, 2025
Feb 6, 2025SOpen-market sale
Common Stock10b5-1
-41,915$115.47$4.8M37,761Feb 10, 2025
Feb 6, 2025SOpen-market sale
Common Stock10b5-1
-24,285$116.43$2.8M13,476Feb 10, 2025
Feb 6, 2025SOpen-market sale
Common Stock10b5-1
-500$117.07$59k12,976Feb 10, 2025
Feb 6, 2025SOpen-market sale
Common Stockindirect: By Childrens' Trust10b5-1
-10,640$114.46$1.2M1,175,960Feb 10, 2025
Feb 6, 2025SOpen-market sale
Common Stockindirect: By Childrens' Trust10b5-1
-33,532$115.47$3.9M1,142,428Feb 10, 2025
Feb 6, 2025SOpen-market sale
Common Stockindirect: By Childrens' Trust10b5-1
-19,428$116.43$2.3M1,123,000Feb 10, 2025
Feb 6, 2025SOpen-market sale
Common Stockindirect: By Childrens' Trust10b5-1
-400$117.07$47k1,122,600Feb 10, 2025
Feb 6, 2025SOpen-market sale
Common Stockindirect: By Foundation10b5-1
-2,660$114.46$304k663,740Feb 10, 2025
Feb 6, 2025SOpen-market sale
Common Stockindirect: By Foundation10b5-1
-8,383$115.47$968k655,357Feb 10, 2025
Feb 6, 2025SOpen-market sale
Common Stockindirect: By Foundation10b5-1
-4,857$116.43$566k650,500Feb 10, 2025
Feb 6, 2025SOpen-market sale
Common Stockindirect: By Foundation10b5-1
-100$117.07$12k650,400Feb 10, 2025
Feb 6, 2025MOption exercise
Non-Qualified Stock Option (right to buy)derivative10b5-1
-80,000$0.00$080,000Feb 10, 2025

Related signals

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

ScoreSideCompanyInsiderValueSharesFiled
30Weaksell10b5-1ANET
Arista Networks, Inc.
Jayshree Ullal
CEO and Chairperson
$21M96,992
45Moderatesell 310b5-1ANET
Arista Networks, Inc.
Jayshree Ullal
CEO and Chairperson
$13M62,622
45Moderatesell 410b5-1ANET
Arista Networks, Inc.
Kenneth Duda
President and CTO
$8.8M43,333
32Weaksell 410b5-1ANET
Arista Networks, Inc.
Andreas Bechtolsheim
owner
$60M300,000
35Weaksell 410b5-1ANET
Arista Networks, Inc.
Mark B Templeton
director
$986k5,000
20Weaksell 210b5-1ANET
Arista Networks, Inc.
Chantelle Yvette Breithaupt
Senior Vice President, CFO
$120k612
40Moderatesell 610b5-1ANET
Arista Networks, Inc.
Kenneth Duda
CTO and SVP Software Eng.
$14M160,000
31Weaksell 610b5-1ANET
Arista Networks, Inc.
Charles H Giancarlo
director
$712k8,000
55Moderatesell 610b5-1ANET
Arista Networks, Inc.
Marc Taxay
SVP and General Counsel
$4.6M51,848
55Moderatesell 710b5-1ANET
Arista Networks, Inc.
John F McCool
Chief Platform Officer
$1.7M17,433

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.

Kenneth Duda sold $18M of ANET | InsiderTell