Arista Networks: CEO and chairperson Ullal Jayshree sold 96,992 shares

What happened

• Ullal Jayshree, CEO and chairperson and a director of Arista Networks, reported open market or private sales of a total of 96,992 shares on Oct 07, 2026. The filing shows three disposals: two sales of 13,860 shares and one sale of 69,272 shares, reported at a weighted average price of $217.14 for aggregate proceeds of $21,060,919.

Key details

• Transaction date(s) and price(s): Oct 07, 2026; weighted average price $217.14 (prices ranged from $217.00 to $217.18, per the filing).
• Shares owned after the transaction: not stated in this Form 4.
• Relevant footnotes from the filing:
  • A Rule 10b5-1 trading plan was adopted on Nov 14, 2025 for the reporting person and for the benefit of relatives (footnotes F1, F4).
  • The reported price is a weighted average; the filer can provide breakdowns by price on request (F2).
  • Some of the shares involved are held in trusts for relatives/children for which the reporting person serves as trustee or co-trustee; the reporting person disclaims beneficial ownership of those trust-held shares (F3, F5, F6).
• Filing timeliness: Form filed on Oct 09, 2026 for a Oct 07, 2026 transaction; filing appears to be timely (filed two days after the transaction).

Why it may matter

• The filing states the transactions were sales executed under a Rule 10b5-1 plan; the filing does not state that an option exercise, gift, or tax withholding occurred.
• A filing does not show why the insider traded or why the company acted.