Mark B. Templeton

Sits on 3 boards. Last updated September 27, 2026

Time on boards

Boards served
3
Current seats
3
Board service
10 years
Director since
2023

10 years of board service in total across 3 boards, counting each seat separately. Longest: Arista Networks Inc., 3 years.

3 years ยท Since 2023
3 years ยท Since 2023
Nutanix Inc. Director
3 years ยท Since 2023

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Sep 8, 2026 Arista Networks Inc. Open-market sale โˆ’1,300 $195.27 $253,850
Sep 8, 2026 Arista Networks Inc. Open-market sale โˆ’700 $196.20 $137,339
Sep 8, 2026 Arista Networks Inc. Open-market sale โˆ’1,000 $197.46 $197,460
Sep 8, 2026 Arista Networks Inc. Open-market sale โˆ’1,700 $198.44 $337,344
Sep 8, 2026 Arista Networks Inc. Open-market sale โˆ’300 $199.32 $59,795
Aug 20, 2026 Arista Networks Inc. Option exercise +538 โ€” โ€”
May 20, 2026 Arista Networks Inc. Option exercise +971 โ€” โ€”
Feb 20, 2026 Arista Networks Inc. Option exercise +971 โ€” โ€”
Dec 12, 2025 Nutanix Inc. Grant or award +4,588 โ€” โ€”
Nov 20, 2025 Arista Networks Inc. Option exercise +971 โ€” โ€”
Aug 20, 2025 Arista Networks Inc. Option exercise +971 โ€” โ€”
May 20, 2025 Arista Networks Inc. Option exercise +844 โ€” โ€”
Feb 20, 2025 Arista Networks Inc. Option exercise +844 โ€” โ€”
Dec 13, 2024 Nutanix Inc. Grant or award +3,646 โ€” โ€”
Nov 20, 2024 Arista Networks Inc. Option exercise +212 โ€” โ€”

Reviews (0)

Sign in to write a review.

No reviews yet. Be the first to write one.

We use cookies to run this site and, with your permission, to measure traffic and support the affiliate links that help fund it.