Wassenaar Yvonne 4

What Happened
Yvonne Wassenaar, a director of Arista Networks (ANET), sold a total of 1,395 shares in open-market transactions on March 16, 2026, generating proceeds of approximately $187,405. The sales were reported on a Form 4 filed March 18, 2026, and were made pursuant to a Rule 10b5-1 trading plan adopted November 21, 2025. Individual reported disposals: 264 shares at a weighted avg $132.69 ($35,030); 360 shares at $133.55 ($48,079); 232 shares at $134.65 ($31,240); and 539 shares at $135.54 ($73,056).

Key Details

• Transaction date: March 16, 2026; Form 4 filed March 18, 2026 (timely filing).
• Reported sales (S): 264 @ $132.69; 360 @ $133.55; 232 @ $134.65; 539 @ $135.54. Total = 1,395 shares for ~$187,405.
• Footnotes: Sales executed under a 10b5-1 trading plan (adopted Nov 21, 2025). Reported prices are weighted averages; detailed price ranges per lot: 264-share lot $132.06–$133.05; 360-share lot $133.13–$134.11; 232-share lot $134.24–$135.22; 539-share lot $135.24–$136.03. The filer offers to provide per-price breakdown on request.
• Shares owned after the transactions: not specified in the provided summary of the filing.

Context
These were outright sales (code S) under a pre-established 10b5-1 plan; such plans allow insiders to execute scheduled trades regardless of later company developments and are generally viewed as routine rather than an immediate signal about company prospects. No option exercises, awards, gifts, or tax-withholding transactions were reported in this filing.