Mary Beth Mandanas Insider Profile
11 Followers
Mary Beth Mandanas, Director at Energy Vault Holdings, holds 350.84K shares in Energy Vault Holdings (Ticker: NRGV), holds ― shares in TortoiseEcofin Corp III (Ticker: TRTLF). Most recently, Mary Beth Mandanas Bought ― shares of Energy Vault Holdings on Mar 26, 2026 for an estimated value of $18.25K.
Mary Beth Mandanas Energy Vault Holdings (NRGV)Director
Energy Vault Holdings (NRGV)
Director
Ranked #31,726 out of 107,104 Corporate Insiders
Profitable Transactions
2 out of 2 Profitable Transactions
Average Return
+57.80%
Average return per transaction
Time Frame
Compare to
Insider Holdings
100.00%
A breakdown of Mary Beth Mandanas's holdings
Insider Roles
Director
Roles that Mary Beth Mandanas holds in companies
Most Profitable Insider Trade
The most profitable trade made by Mary Beth Mandanas
Mary Beth Mandanas's Trading History
Energy Vault Holdings
Mar 26, 2026
Director
Informative Buy
18.25K
$1.54M
TortoiseEcofin Corp III
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List of latest transactions for each holding click on a transaction to see Mary Beth Mandanas's performance on stock
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Mary Beth Mandanas insider profile FAQ
What is the percentage of profitable transactions made by Mary Beth Mandanas?
The percentage of profitable transactions made by Mary Beth Mandanas is 100%.
What is the average return per transaction made by Mary Beth Mandanas?
The average return per transaction made by Mary Beth Mandanas is 57.80%.
What stocks does Mary Beth Mandanas hold?
Mary Beth Mandanas holds: NRGV, TRTLF stocks.
What was Mary Beth Mandanas’s latest transaction?
Mary Beth Mandanas latest transaction was an Informative Buy of $18.25K.
What was Mary Beth Mandanas's most profitable transaction?
Mary Beth Mandanas’s most profitable transaction was an Informative Buy of NRGV stock on September 12, 2025. The return on the trade was 91.20%.
What is Mary Beth Mandanas's role in Energy Vault Holdings?
Mary Beth Mandanas's role in Energy Vault Holdings is Director.
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