Todd Nightingale

Todd Nightingale: President and COO at Arista Networks. What Todd Nightingale holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

Arista Networks (ANET)

Todd Nightingale holds 69,463 Arista Networks shares (0.01% of the company), worth about $14.7M at the last price, according to the Form 4 of Aug 20, 2026.

• Shares held: 69,463 (0.01%), $14.7M — Held in their own name.
• Share units: 349,545 (0.03%), $73.9M — Arista Networks promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.

Declarations

• Arista Networks (ANET) — Form 4 of Aug 20, 2026 (President and COO): option exercise or conversion of 116,515; option exercise or conversion of 10,360; 69,463 shares after 0001596532-26-000211
• Arista Networks (ANET) — Form 4 of Feb 20, 2026 (President and COO): option exercise or conversion of 10,360; shares withheld for tax of 4,232 at $137.23; 6,128 shares after 0001596532-26-000029
• Arista Networks (ANET) — Form 4 of Jul 11, 2025 (President and COO) 0001596532-25-000191
• Arista Networks (ANET) — Form 3 of Jul 1, 2025 (President and COO); 0 shares after 0001596532-25-000189

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

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