Insider trade

Director sold ~$371K of ANET shares in the open market

Traded Dec 1, 2025 · Filed Dec 4, 2025

~$371K
Reported value · 2,884 sh @ $128.5834: 26K
Holds after · shares reported: +59.6%
stock since the trade · S&P 500 +12.3%, $128.11 → $204.49 on Oct 1

Why it stands out

A board member of Arista Networks sold $371K 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: Dec 1, 2025
Reporting period: Not applicable
Filed with the SEC: Dec 4, 2025

DirectorIndirect holding$100K–$500KPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$370,835

Shares × reported transaction price

Timing vs results

27 days after results of Nov 4, 2025, 73 days before results of Feb 12, 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 $128.11 on Dec 1, 2025, 99% above its 52-week low and 21% below its high, after a 10% drop over the previous 30 trading days

52-week range $64.37 (Apr 4, 2025) to $162.03 (Oct 29, 2025), 65% of the way up, from 250 adjusted closes. 30 trading days earlier: $143.10 on Oct 17, 2025. 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	+4.5%	+0.7%	+3.8%
30 days	+6.7%	+0.5%	+6.2%
90 days	+4.9%	+0.1%	+4.8%
180 days	+36.4%	+11.0%	+25.4%

Past results only. Not a forecast.

Source receipt

Record ID: 0001596532-25-000320
Filed / recorded: Dec 4, 2025, 12:24 AM 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: Charles H Giancarlo
Relationship: Director
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Dec 1, 2025
Transaction code: S
Shares / units: 2,884
Price per share: $128.5834
Acquired / disposed: Disposed (D)
Shares owned after: 25,784
Ownership form: Indirect — by Trust
Amendment: No

Footnotes from the filing

This sale was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on June 12, 2025.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.35 to $128.98, 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.
These shares are held by a family trust for which the reporting person is co-trustee.