Energy Vault Holdings's three largest insider shareholders as of August 29, 2026 are Robert Piconi (Chief Executive Officer, 16.59Mn shares), Robert Piconi (Chief Executive Officer, 16.45Mn shares), Robert Piconi (Chief Executive Officer, 16.45Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Robert Piconi | Chief Executive Officer | 16,449,991 | 0 | 16,449,991 | 31.3% | 02 Jul, 2026 |
| 2 | Vision Fund (Aiv M2) L.P. Softbank | TenPercentOwner | 0 | 15,535,631 | 15,535,631 | 29.6% | 20 Jan, 2026 |
| 3 | Akshay Ladwa | Chief Operations Officer | 2,088,615 | 0 | 2,088,615 | 4.0% | 02 Jul, 2026 |
| 4 | Andrea Pedretti | Chief Technology Officer | 1,979,915 | 0 | 1,979,915 | 3.8% | 13 Sep, 2023 |
| 5 | Studio, Llc Idealab | TenPercentOwner | 1,734,943 | 0 | 1,734,943 | 3.3% | 16 May, 2022 |
| 6 | Marco Terruzzin | Chief Product Officer | 1,482,778 | 0 | 1,482,778 | 2.8% | 09 Oct, 2024 |
| 7 | Laurence Alexander | Chief Marketing Officer | 1,189,336 | 0 | 1,189,336 | 2.3% | 10 Sep, 2024 |
| 8 | Larry Paulson | Director | 523,794 | 609,256 | 1,133,050 | 2.2% | 01 Jun, 2026 |
| 9 | Christopher Wiese | President, Energy Vault Labs | 1,128,960 | 0 | 1,128,960 | 2.2% | 23 Jan, 2026 |
| 10 | Michael Thomas Beer | Chief Financial Officer | 1,021,806 | 0 | 1,021,806 | 1.9% | 08 Jul, 2026 |
| 11 | John G Jung | President Of Evs | 1,012,090 | 0 | 1,012,090 | 1.9% | 13 Oct, 2023 |
| 12 | Hersch Klaff | Director | 170,000 | 798,222 | 968,222 | 1.8% | 11 Feb, 2022 |
| 13 | Josh Mcmorrow | Chief Legal Officer | 916,875 | 0 | 916,875 | 1.7% | 10 Sep, 2024 |
| 14 | Goncagul Icoren | Chief People Officer | 865,757 | 0 | 865,757 | 1.6% | 10 Sep, 2024 |
| 15 | Jeffrey D Foster | Director | 0 | 809,256 | 809,256 | 1.5% | 11 Feb, 2022 |
| 16 | Robert J Laikin | Chief Executive Officer | 742,382 | 0 | 742,382 | 1.4% | 11 Feb, 2022 |
| 17 | Gaalen Johannes Cornelis Maria Van | Chief Financial Officer | 577,268 | 0 | 577,268 | 1.1% | 20 Mar, 2024 |
| 18 | Heather Goodman | Director | 191,285 | 220,000 | 411,285 | 0.8% | 11 Feb, 2022 |
| 19 | Nitin Dahiya | Chief Financial Officer | 400,000 | 0 | 400,000 | 0.8% | 06 Aug, 2026 |
| 20 | Thomas R Ertel | Director | 387,814 | 0 | 387,814 | 0.7% | 01 Jun, 2026 |
| 21 | Mary Beth Mandanas | Director | 372,864 | 0 | 372,864 | 0.7% | 01 Jun, 2026 |
| 22 | Theresa M Fariello | Director | 318,217 | 0 | 318,217 | 0.6% | 01 Jun, 2026 |
| 23 | Vincent Donargo | Chief Financial Officer | 0 | 201,606 | 201,606 | 0.4% | 11 Feb, 2022 |
| 24 | Stephanie Unwin | Director | 182,245 | 0 | 182,245 | 0.3% | 28 Aug, 2026 |
| 25 | William Gross | Director | 154,740 | 0 | 154,740 | 0.3% | 29 May, 2024 |
| 26 | Ronald J. Sznaider | Director | 100,802 | 50,000 | 150,802 | 0.3% | 11 Feb, 2022 |
| 27 | Dylan Hixon | Director | 0 | 112,990 | 112,990 | 0.2% | 18 Aug, 2026 |
| 28 | Tahsinul Zia Huque | Director | 85,751 | 0 | 85,751 | 0.2% | 30 May, 2023 |
| 29 | Henry Elkus | Director | 66,684 | 0 | 66,684 | 0.1% | 10 Feb, 2023 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 26 Aug, 2026 | Stephanie Unwin | Director | Disposed S | 115,000 | $3.71 | $426.98K | 182,245 | Direct |
| 17 Aug, 2026 | Dylan Hixon | Director | Acquired P | 27,472 | $3.88 | $106.54K | 27,472 | Indirect |
| 14 Aug, 2026 | Dylan Hixon | Director | Acquired P | 26,845 | $3.73 | $100.21K | 26,845 | Indirect |
| 14 Aug, 2026 | Dylan Hixon | Director | Acquired P | 26,809 | $3.73 | $100.08K | 26,809 | Indirect |
| 14 Aug, 2026 | Dylan Hixon | Director | Acquired P | 31,864 | $3.75 | $119.49K | 31,864 | Indirect |
| 04 Aug, 2026 | Nitin Dahiya | Chief Financial Officer | Acquired A | 400,000 | $0.00 | $0 | 400,000 | Direct |
| 04 Aug, 2026 | Nitin Dahiya | Chief Financial Officer | Acquired A | 400,000 | $0.00 | $0 | 400,000 | Direct |
| 04 Aug, 2026 | Nitin Dahiya | Chief Financial Officer | Acquired A | 400,000 | $0.00 | $0 | 400,000 | Direct |
| 04 Aug, 2026 | Nitin Dahiya | Chief Financial Officer | Acquired A | 400,000 | $0.00 | $0 | 400,000 | Direct |
| 06 Jul, 2026 | Michael Thomas Beer | Chief Financial Officer | Acquired M | 50,000 | $1.17 | $58.50K | 1,086,806 | Direct |
| 06 Jul, 2026 | Michael Thomas Beer | Chief Financial Officer | Disposed S | 65,000 | $4.08 | $265.20K | 1,021,806 | Direct |
| 06 Jul, 2026 | Michael Thomas Beer | Chief Financial Officer | Disposed M | 50,000 | $0.00 | $0 | 700,000 | Direct |
| 30 Jun, 2026 | Michael Thomas Beer | Chief Financial Officer | Disposed F | 24,139 | $4.71 | $113.69K | 1,036,806 | Direct |
| 30 Jun, 2026 | Robert Piconi | Chief Executive Officer | Disposed F | 141,682 | $4.71 | $667.32K | 16,449,991 | Direct |
| 30 Jun, 2026 | Akshay Ladwa | Chief Operations Officer | Disposed F | 52,721 | $4.71 | $248.32K | 2,088,615 | Direct |
| 30 Jun, 2026 | Akshay Ladwa | Chief Operations Officer | Disposed F | 52,721 | $4.71 | $248.32K | 2,088,615 | Direct |
| 30 Jun, 2026 | Robert Piconi | Chief Executive Officer | Disposed F | 141,682 | $4.71 | $667.32K | 16,449,991 | Direct |
| 25 Jun, 2026 | Robert Piconi | Chief Executive Officer | Acquired A | 3,886,000 | $0.00 | $0 | 3,886,000 | Direct |
| 25 Jun, 2026 | Robert Piconi | Chief Executive Officer | Acquired A | 3,886,000 | $0.00 | $0 | 3,886,000 | Direct |
| 29 May, 2026 | Theresa M Fariello | Director | Acquired A | 19,153 | $0.00 | $0 | 318,217 | Direct |