As of March 23, 2026, Energy Vault Holdings's top three insider holders are Robert Piconi (Chief Executive Officer, 20.02Mn shares), Vision Fund (Aiv M2) L.P. Softbank (TenPercentOwner, 15.54Mn shares), Robert Piconi (Chief Executive Officer, 4.31Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Robert Piconi | Chief Executive Officer | 20,021,900 | 0 | 06 Mar, 2026 |
| Vision Fund (Aiv M2) L.P. Softbank | 0 | 15,535,631 | 20 Jan, 2026 | |
| Robert Piconi | Chief Executive Officer | 0 | 4,307,946 | 15 Feb, 2022 |
| Akshay Ladwa | Chief Operations Officer | 2,289,320 | 0 | 16 Mar, 2026 |
| Andrea Pedretti | Chief Technology Officer | 1,979,915 | 0 | 13 Sep, 2023 |
| Studio, Llc Idealab | 1,734,943 | 0 | 16 May, 2022 | |
| Marco Terruzzin | Chief Product Officer | 1,482,778 | 0 | 09 Oct, 2024 |
| William Gross | 0 | 1,406,355 | 15 Mar, 2024 | |
| Christopher Wiese | President, Energy Vault Labs | 1,128,960 | 0 | 23 Jan, 2026 |
| Michael Thomas Beer | Chief Financial Officer | 1,104,683 | 0 | 16 Mar, 2026 |
| John G Jung | President Of Evs | 1,012,090 | 0 | 13 Oct, 2023 |
| Josh Mcmorrow | Chief Legal Officer | 916,875 | 0 | 10 Sep, 2024 |
| Dylan Hixon | 0 | 900,065 | 29 Aug, 2025 | |
| Goncagul Icoren | Chief People Officer | 865,757 | 0 | 10 Sep, 2024 |
| Larry Paulson | 0 | 609,256 | 11 Feb, 2022 | |
| Gaalen Johannes Cornelis Maria Van | Chief Financial Officer | 577,268 | 0 | 20 Mar, 2024 |
| Larry Paulson | 501,768 | 0 | 02 Mar, 2026 | |
| Thomas R Ertel | 365,788 | 0 | 05 Mar, 2026 | |
| Mary Beth Mandanas | 345,838 | 0 | 18 Sep, 2025 | |
| Theresa M Fariello | 299,064 | 0 | 18 Sep, 2025 | |
| Stephanie Unwin | 278,092 | 0 | 18 Sep, 2025 | |
| William Gross | 154,740 | 0 | 29 May, 2024 | |
| Ronald J. Sznaider | 100,802 | 50,000 | 11 Feb, 2022 | |
| Dylan Hixon | 98,449 | 0 | 18 Sep, 2025 | |
| Tahsinul Zia Huque | 0 | 90,500 | 16 May, 2022 | |
| Tahsinul Zia Huque | 85,751 | 0 | 30 May, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 12 Mar, 2026 | Michael Thomas Beer | Common Stock | A | 150,000 | $0.00 | 1,104,683 | D | A |
| 12 Mar, 2026 | Akshay Ladwa | Common Stock | A | 475,000 | $0.00 | 2,289,320 | D | A |
| 05 Mar, 2026 | Robert Piconi | Common Stock | D | 68,737 | $3.00 | 20,021,900 | D | F |
| 05 Mar, 2026 | Akshay Ladwa | Common Stock | D | 10,064 | $3.00 | 1,814,320 | D | F |
| 04 Mar, 2026 | Thomas R Ertel | Common Stock | A | 5,450 | $3.37 | 365,788 | D | P |
| 02 Mar, 2026 | Akshay Ladwa | Common Stock | A | 4,000 | $3.09 | 1,824,384 | D | P |
| 27 Feb, 2026 | Larry Paulson | Common Stock | A | 5,000 | $3.15 | 501,768 | D | P |
| 26 Feb, 2026 | Robert Piconi | Common Stock | A | 7,500 | $3.26 | 20,090,637 | D | P |
| 30 Jan, 2026 | Michael Thomas Beer | Common Stock | A | 200,000 | $0.00 | 1,334,829 | D | A |
| 30 Jan, 2026 | Michael Thomas Beer | Common Stock | D | 77,046 | $4.61 | 1,257,783 | D | F |
| 30 Jan, 2026 | Michael Thomas Beer | Common Stock | A | 200,000 | $0.00 | 1,457,783 | D | A |
| 30 Jan, 2026 | Michael Thomas Beer | Common Stock | D | 103,100 | $5.43 | 1,354,683 | D | F |
| 22 Jan, 2026 | Akshay Ladwa | Common Stock | D | 15,711 | $4.61 | 1,820,384 | D | F |
| 22 Jan, 2026 | Christopher Wiese | Common Stock | D | 6,808 | $4.61 | 1,128,960 | D | F |
| 22 Jan, 2026 | Michael Thomas Beer | Common Stock | D | 15,693 | $4.61 | 1,134,829 | D | F |
| 22 Jan, 2026 | Robert Piconi | Common Stock | D | 91,374 | $4.61 | 20,083,137 | D | F |
| 15 Jan, 2026 | Vision Fund (Aiv M2) L.P. Softbank | Common Stock | D | 3,000,000 | $5.65 | 15,535,631 | I | S |
| 23 Dec, 2025 | Michael Thomas Beer | Common Stock | D | 50,000 | $4.91 | 1,150,522 | D | S |
| 11 Dec, 2025 | Akshay Ladwa | Common Stock | D | 21,594 | $3.44 | 1,836,095 | D | F |
| 11 Dec, 2025 | Robert Piconi | Common Stock | D | 8,612 | $3.44 | 20,188,630 | D | F |