Mandanas Mary Beth
- SEC CIK
- 0001857599
In the past year, 1 open-market purchase filing worth $18.3K and no sales.
Current role at each company
- NRGV Energy Vault Holdings, Inc.Directoras of Jun 1, 2026
- TRTL TortoiseEcofin Acquisition Corp. IIIDirectoras of Jul 18, 2023
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $18.3K
- 1 filing
- Sold
- –
- 0 filings
- Net
- +$18.3K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Mandanas Mary Beth as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
NRGV Energy Vault Holdings, Inc.
Director2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 26, 2026 (view filing) | Mar 25 | 1 day | Mandanas Mary BethDirector | PPurchase | +5.00K | $3.65 | +$18.3K | +1.4%350.8K after | |
| Sep 12, 2025 (view filing) | Sep 11 | 1 day | Mandanas Mary BethDirector | PPurchase | +10.0K | $2.05 | +$20.5K | +5.7%184.7K after |