Transaction · 0001596532-26-000210
ANETArista Networks, Inc.
Duda Kenneth
Duda Kenneth, PRES, reported an open-market or private sale at Arista Networks, Inc. involving 4197.000000 shares for an estimated $773631.75. Reported holdings after the transaction were 26112.000000 shares. The stored filing text includes a detected 10b5-1 reference.
Open-market sellSEC transaction code SPRES
- Trade date
- Aug 20, 2026
- Filing date
- Aug 24, 2026
How reported position traded is calculated
Shares sold ÷ (holdings after + shares sold). Estimated position before: 30,309 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 -7.2%1w ago +8.2%1d ago -0.9%
Returns since7d +4.0%30d +8.1%90d180d1y
Transaction facts
Stored Form 4 columns with their raw values
- Type
- Sell Code S
- Identifier
- 0001596532-26-000210 Common Stock
- Transaction date
- Aug 20, 2026 Filed Aug 24, 2026, 10:14 PM · 4d delay
- Shares
- 4,197 sh $184.33 per share
- Estimated value
- -$773k Computed from shares × price
- Holdings after
- 26,112 sh Direct
Filing signal explanations
Badges describe filing facts only — not predictions.
Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership 10b5-1 Detected
Filing-only score
-4 points
Compact filing score computed from stored Form 4 facts. Version v1.
Neutral filing signal
This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.
How this score is calculated
- direct_ownership+6 points
direct_or_indirect_ownership = D
Direct ownership reports the insider's personal stake. - 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 $183.72 to $184.7176, inclusive. The reporting person undertakes to p…
- F3
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.72 to $185.719, inclusive. The reporting person undertakes to pr…
- F4
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.7311 to $186.7213, inclusive. The reporting person undertakes to…
- F5
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.7331 to $187.16, inclusive. The reporting person undertakes to p…
- F6
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.
- F7
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…
- F8
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…
- F9
These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.
- F10
Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
- F11
These shares are held by a family trust for which the reporting person is co-trustee.
- F12
Represents shares withheld to satisfy tax withholding obligations on the vesting of restricted stock units.
- F13
Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.
- F14
Reporting person is the trustee of the Kenneth Duda Annuity Trusts.
- F15F16(2 footnotes)
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.
- F17
Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2026 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly ves…
- F18
Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on on February 20, 2024 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly…
- F19
Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2025 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly ves…
- F20
Five percent (5%) of the restricted stock awarded vested on November 20, 2025 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly vest date is the first mar…
- F21
Six and one-quarter percent (6.25%) of the restricted stock units awarded vested on February 20, 2023 and will continue to vest at the same rate on each quarterly vest date thereafter. A quarterly ve…
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