2 unchanged sentences
During our last fiscal quarter, the following director and officers, as defined in Rule 16a-1(f), adopted a “Rule 10b5-1 trading arrangement” as defined in Regulation S-K Item 408, as follows:
−Removed: On March 13, 2026 , Kenneth Duda , our President, Chief Technology Officer and Director , adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 520,000 shares of our common stock held in various trusts for the benefit of Mr.
−Removed: Duda’s family, for which Mr.
−Removed: Duda is the beneficial owner and which is intended to be treated as a single plan.
+Added: On June 2, 2026 , Chantelle Breithaupt , our Senior Vice President and Chief Financial Officer , modified her Rule 10b5-1 trading arrangement previously adopted on December 11, 2025, providing for the sale from time to time of a number of
+Added: shares of our common stock that may be earned in connection with grants of performance-based restricted stock units, which cannot be determined at this time.
+Added: The duration of the trading arrangement is until December 31, 2026 , or earlier if all transactions under the trading arrangement are completed.
The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c).
+Added: On June 9, 2026 , Mark Templeton , a member of our Board of Directors , adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 50,000 shares of our common stock.
+Added: The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c).
The duration of the trading arrangement is until June 30, 2027 , or earlier if all transactions under the trading arrangement are completed.
4 unchanged sentences
32.1* Certifications of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C.
−Removed: Section 1350, as adopted pursuant to S ection 906 of the Sarbanes-Oxley Act of 2002.
+Added: Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
10 unchanged sentences
Arista Networks, Inc.
−Removed: May 5, 2026 By:
+Added: August 4, 2026 By:
/s/ JAYSHREE ULLAL
2 unchanged sentences
(Principal Executive Officer)
−Removed: May 5, 2026 By:
+Added: August 4, 2026 By:
/s/ CHANTELLE BREITHAUPT
3 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.