Derivative exercise or conversion — not an open-market buy.
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 OwnershipAll the details
Dates, kept separate
Transaction date
Aug 20, 2026
Reporting period
Not applicable
Filed with the SEC
Aug 24, 2026
OfficerOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001596532-26-000211
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
Todd Nightingale
Relationship
Officer
Officer title
President and COO
Security
Restricted Stock Unit-1
Table
Derivative (Table II)
Transaction date
Aug 20, 2026
Transaction code
M
Shares / units
116,515
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
349,545
Ownership form
Direct
Amendment
No
Footnotes from the filing
Each restricted stock unit represents a contingent right to receive one share of Arista Networks, Inc. Common Stock upon vesting.
Twenty five percent (25%) of the restricted stock units awarded will vest on August 20, 2026 and will continue to vest at a rate of six and one-quarter percent (6.25%) each quarter on each quarterly vest date thereafter. A quarterly vest date is the first market trading day on or after February 20, May 20, August 20 or November 20 of each year.