Mark B. Templeton
Mark B. Templeton: Director at Arista Networks. What Mark B. Templeton 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)
Mark B. Templeton holds 128,610 Arista Networks shares (0.01% of the company), worth about $26.7M at the last price, according to the Form 4 of Sep 8, 2026.
- Shares held: 75,200 (0.01%), $15.6M — Held by a spouse or a family member (by Spouse).
- Shares held: 53,410 (0.00%), $11.1M — Held in their own name.
- Share units: 1,615 (0.00%), $335,403.20 — 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 Sep 8, 2026: open-market sale of 1,300 at $195.27; open-market sale of 700 at $196.20; 128,610 shares after 0001596532-26-000226
- Arista Networks (ANET) — Form 4 of Aug 20, 2026: option exercise or conversion of 538; 133,610 shares after 0001596532-26-000207
- Arista Networks (ANET) — Form 4 of May 29, 2026 0001596532-26-000128
- Arista Networks (ANET) — Form 4 of May 20, 2026: option exercise or conversion of 971; 133,072 shares after 0001596532-26-000096
- Arista Networks (ANET) — Form 4 of Feb 20, 2026: option exercise or conversion of 971; 132,101 shares after 0001596532-26-000036
- Arista Networks (ANET) — Form 4 of Nov 20, 2025: option exercise or conversion of 971; 131,130 shares after 0001596532-25-000308
- Arista Networks (ANET) — Form 4 of Aug 20, 2025: option exercise or conversion of 971; 130,159 shares after 0001596532-25-000244
- Arista Networks (ANET) — Form 4 of May 30, 2025 0001596532-25-000159
- Arista Networks (ANET) — Form 4 of May 20, 2025: option exercise or conversion of 844; 129,188 shares after 0001596532-25-000135
- Arista Networks (ANET) — Form 4 of Feb 20, 2025: option exercise or conversion of 844; 128,344 shares after 0001596532-25-000046
- Arista Networks (ANET) — Form 4 of Nov 20, 2024: option exercise or conversion of 848; 127,500 shares after 0001596532-24-000387
- Arista Networks (ANET) — Form 4 of Aug 20, 2024: option exercise or conversion of 844; 126,652 shares after 0001596532-24-000305
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.