Arista Networks (ANET) Director Mark B. Templeton Sells Shares

What Happened
Mark B. Templeton, a director of Arista Networks (ANET), sold a total of 5,000 shares in open-market transactions on September 8, 2026, generating approximately $985,788 in proceeds. The filing lists five disposals: 1,300 shares ($195.27/wtd avg, $253,850), 700 shares ($196.20, $137,339), 1,000 shares ($197.46, $197,460), 1,700 shares ($198.44, $337,344) and 300 shares (~$199.32, $59,795). These were sales (not purchases), which are generally treated as routine dispositions unless other context is provided.

Key Details

• Transaction date: 2026-09-08 (reported on Form 4 filed 2026-09-10; filing appears timely).
• Individual trade details and reported weighted-average prices (with reported ranges in footnotes):
  • 1,300 shares at $195.27 (range $194.81–$195.67) — $253,850 (F2)
  • 700 shares at $196.20 (range $195.81–$196.70) — $137,339 (F3)
  • 1,000 shares at $197.46 (range $197.01–$197.97) — $197,460 (F4)
  • 1,700 shares at $198.44 (range $198.03–$198.96) — $337,344 (F5)
  • 300 shares at $199.32 (range $199.21–$199.38) — $59,795 (F6)
• Total sold: 5,000 shares for ~$985,788.
• Shares owned after the transaction: Not specified in the excerpt provided.
• Notable footnotes: sales were effected under a Rule 10b5-1 trading plan entered 2026-06-09 (F1); reported prices are weighted averages with per-trade price ranges (F2–F6); some shares are held in a trust for which the reporting person’s spouse is trustee (F7).

Context

• The sales were made under a pre-established 10b5-1 plan, which typically means the trades were scheduled in advance and are often considered routine rather than a contemporaneous signal about company prospects.
• No option exercises, awards, or gifts are reported in this filing — only open-market sales.
• For retail investors, purchases generally carry more informational weight than routine sales; these transactions should be viewed in the context of Templeton’s overall holdings and any company disclosures.