Mary Beth Mandanas

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
4 years
Director since
2023

4 years of board service in total across 1 board, counting each seat separately. Longest: Energy Vault Holdings Inc., 3 years.

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
May 29, 2026 Energy Vault Holdings Inc. Grant or award +22,026 โ€” โ€”
Mar 25, 2026 Energy Vault Holdings Inc. Open-market purchase +5,000 $3.65 $18,250
Sep 16, 2025 Energy Vault Holdings Inc. Grant or award +161,132 โ€” โ€”
Sep 11, 2025 Energy Vault Holdings Inc. Open-market purchase +10,000 $2.05 $20,500
May 24, 2024 Energy Vault Holdings Inc. Grant or award +79,337 โ€” โ€”
May 25, 2023 Energy Vault Holdings Inc. Grant or award +48,853 โ€” โ€”
Dec 16, 2022 Energy Vault Holdings Inc. Grant or award +46,516 โ€” โ€”

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