2 unchanged sentences
During our last fiscal quarter, the following directors and officer, 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, 2025 , Kenneth Duda , our Chief Technology Officer, Senior Vice President, Software Engineering and Director , adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 680,000 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 10, 2025 , Kelly Battles , 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 1,688 shares of our common stock.
+Added: The trading arrangement is
+Added: intended to satisfy the affirmative defense in Rule 10b5-1(c).
+Added: The duration of the trading arrangement is until November 23, 2026 , or earlier if all transactions under the trading arrangement are completed.
+Added: On June 12, 2025 , Charles Giancarlo , 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 146,000 shares of our common stock.
The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c).
−Removed: The duration of the trading arrangement is until June 18, 2026 , or earlier if all transactions under the trading arrangement are completed.
+Added: The duration of the trading arrangement is until September 21, 2026 , or earlier if all transactions under the trading arrangement are completed.
No other officers or directors, as defined in Rule 16a-1(f), adopted or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as defined in Regulation S-K Item 408, during the last fiscal quarter.
Exhibit Number Description
+Added: 10.1 Letter Agreement by and between the Company and Todd Nightingale, dated June 12, 2025 (incorporated by reference to Exhibit 10.1 of the Company’s Current Report on Form 8-K, filed with the SEC on June 16, 2025).
+Added: 10.2 Form of Severance Agreement by and between the Company and Todd Nightingale (incorporated by reference to Exhibit 10.2 of the Company’s Current Report on Form 8-K, filed with the SEC on June 16, 2025).
+Added: 10.3 Consulting Agreement between the Company and Marc Taxay, dated May 6, 2025.
31.1 Certification of the Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
14 unchanged sentences
Arista Networks, Inc.
−Removed: May 6, 2025 By:
+Added: August 5, 2025 By:
/s/ JAYSHREE ULLAL
Jayshree Ullal
−Removed: President, Chief Executive Officer and Chairperson of the Board
+Added: Chief Executive Officer and Chairperson of the Board
(Principal Executive Officer)
−Removed: May 6, 2025 By:
+Added: August 5, 2025 By:
/s/ CHANTELLE BREITHAUPT
Chantelle Breithaupt
−Removed: Chief Financial Officer
−Removed: (Senior Vice President)
+Added: Senior Vice President, Chief Financial Officer
+Added: (Principal Financial Officer and Principal Accounting Officer )
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.