Transaction · 0001596532-26-000232
ANETArista Networks, Inc.
Duda Kenneth
Duda Kenneth, PRES, reported an open-market or private sale at Arista Networks, Inc. involving 2038.000000 shares for an estimated $417348.37. Reported holdings after the transaction were 443669.000000 shares. The stored filing text includes a detected 10b5-1 reference.
Open-market sellSEC transaction code SPRES
- Trade date
- Sep 21, 2026
- Filing date
- Sep 23, 2026
How reported position traded is calculated
Shares sold ÷ (holdings after + shares sold). Estimated position before: 445,707 shares.
Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.
ANET price since this filing
Daily closing prices, with the filing date and available return windowsANET · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -7.3%1w ago -7.7%1d ago -2.0%
Returns since7d +0.1%30d90d180d1y
Transaction facts
Stored Form 4 columns with their raw values
- Type
- Sell Code S
- Identifier
- 0001596532-26-000232 Common Stock
- Transaction date
- Sep 21, 2026 Filed Sep 23, 2026, 11:05 PM · 2d delay
- Shares
- 2,038 sh $204.78 per share
- Estimated value
- -$417k Computed from shares × price
- Holdings after
- 443,669 sh Indirect · By Foundation
Filing signal explanations
Badges describe filing facts only — not predictions.
Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Repeat Seller 10b5-1 Detected
Filing-only score
-6 points
Compact filing score computed from stored Form 4 facts. Version v1.
Mixed or weak signal
This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.
How this score is calculated
- timely_filing+4 points
reporting_delay_days = 2
Filing reported within two business days of the transaction. - tenb5_1_detected-10 points
is_10b5_1 = true
Stored filing content includes detected 10b5-1 language.
Signed filing-only points, not a probability or expected return. Version v1.
Reported relationships & other filings
Form 4 relationship flags and nearby filing context
Reported roles
President and CTO
Officer YesDirector Yes10% NoOther No
Footnotes & amended
- F1
The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2026.
- F2
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $201.09 to $202.08, inclusive. The reporting person undertakes to pro…
- F3
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $202.10 to $203.08, inclusive. The reporting person undertakes to pro…
- F4
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $203.11 to $203.99, inclusive. The reporting person undertakes to pro…
- F5
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $204.20 to $205.18, inclusive. The reporting person undertakes to pro…
- F6
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $205.20 to $205.95, inclusive. The reporting person undertakes to pro…
- F7
The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on March 11, 2026.
- F8
These shares are held in a trust for the benefit of a Child of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over…
- F9
The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on March 11, 2026 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve a…
- F10
These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.
- F11
Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.
- F12
Reporting person is the trustee of the Kenneth Duda Annuity Trusts.
- F13
These shares are held by a family trust for which the reporting person is co-trustee.
- F14
1/48th of the shares subject to the option shall vest and become exercisable on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.
Related transactions
Same SEC filing0 other transactions
Recent company activity
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