Updated Jul 16, 2026
Mandanas Mary Beth has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $39K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-01 | NRGV | Energy Vault Holdings, Inc. | A — Grant or award | 22.0K | $0.00 | |
| 2026-03-26 | NRGV | Energy Vault Holdings, Inc. | P — Open-market purchase | 5.0K | $3.65 | $18K |
| 2025-09-16 | NRGV | Energy Vault Holdings, Inc. | A — Grant or award | 161.1K | $0.00 | |
| 2025-09-11 | NRGV | Energy Vault Holdings, Inc. | P — Open-market purchase | 10.0K | $2.05 | $21K |
Mandanas Mary Beth is a corporate insider — currently tracked as Director of Energy Vault Holdings, Inc. (NRGV). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 2 open-market purchases ($39K) and 0 open-market sales () across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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