Insider trade

Director sold ~$153K of ANET shares in the open market

Traded Aug 20, 2026 · Filed Aug 24, 2026

~$153K
Reported value · 818 sh @ $186.9698: 13K
Holds after · shares reported: +11.3%
stock since the trade · S&P 500 +0.2%, $183.75 → $204.49 on Oct 1

Why it stands out

A board member of Arista Networks sold $153K of Arista Networks shares. It was planned long ago, so it says very little.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Aug 20, 2026
Reporting period: Not applicable
Filed with the SEC: Aug 24, 2026

Director$100K–$500KPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$152,941

Shares × reported transaction price

Timing vs results

16 days after results of Aug 4, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $183.75 on Aug 20, 2026, 58% above its 52-week low and 13% below its high, little changed over the previous 30 trading days

52-week range $116.13 (Mar 30, 2026) to $210.50 (Aug 12, 2026), 72% of the way up, from 251 adjusted closes. 30 trading days earlier: $184.69 on Jul 9, 2026. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	-0.9%	-0.5%	-0.3%
30 days	+7.7%	+0.2%	+7.6%

Past results only. Not a forecast.

Source receipt

Record ID: 0001596532-26-000210
Filed / recorded: Aug 24, 2026, 10:14 PM UTC
Added to OQRO: Oct 2, 2026, 12:27 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: Arista Networks, Inc.
Issuer CIK: 1596532
Ticker: ANET
Reporting person: Kenneth Duda
Relationship: Director, Officer
Officer title: President and CTO
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Aug 20, 2026
Transaction code: S
Shares / units: 818
Price per share: $186.9698
Acquired / disposed: Disposed (D)
Shares owned after: 12,976
Ownership form: Direct
Amendment: No

Footnotes from the filing

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.
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 provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.