Welcome to our dedicated page for ENERGY VAULT HOLDINGS SEC filings (Ticker: NRGV), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Energy Vault’s gravity-based storage towers may look simple, but their disclosures are anything but. Revenue recognition for multi-year engineering contracts, cost swings in composite blocks, and fresh subsidies from the Inflation Reduction Act all crowd the company’s filings. If you’ve ever Googled “Energy Vault Holdings quarterly earnings report 10-Q filing” or hunted for “Energy Vault Holdings insider trading Form 4 transactions,” you already know how quickly EDGAR turns into a maze.
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- 10-K annual report – project backlog, capital intensity, risk factors | Energy Vault Holdings annual report 10-K simplified
- 10-Q quarterly update – cash burn trends, milestone deliveries | Energy Vault Holdings earnings report filing analysis
- Form 4 insider transactions – real-time alerts on Energy Vault Holdings Form 4 insider transactions real-time
- DEF 14A proxy statement – Energy Vault Holdings proxy statement executive compensation
Because the company sells storage capacity—not power—small shifts in material costs or performance guarantees move forecasts dramatically. Our AI flags those pivots, compares language across periods, and answers “Energy Vault Holdings SEC filings explained simply” or “understanding Energy Vault Holdings SEC documents with AI” in seconds. Follow every filing, from construction contract details to executive share sales, and make better decisions—faster.
Energy Vault Holdings director and CEO Robert Piconi reported an open-market purchase of 22,500 shares of the company's common stock on 08/29/2025 at a weighted-average price of $1.9159 per share. After the reported purchase, Mr. Piconi is shown as beneficially owning 20,110,026 shares directly. Two separate indirect holdings are disclosed: Piconi 2021 Delaware Trust and Piconi Family 2021 Delaware Trust, each holding 4,307,946 shares, for which he serves as investment advisor. The filing includes a footnote that the reported purchase price is a weighted average of transactions executed between $1.905 and $1.92 and that the reporting person will provide detailed per-price allocation on request.
Dylan Hixon, a director of Energy Vault Holdings, Inc. (NRGV), reported a purchase of company stock on 08/29/2025. The Form 4 shows Hixon acquired 20,000 shares of common stock in a single transaction at $1.9155 per share. After the transaction, Hixon is reported to beneficially own 900,065 shares indirectly through Arden Road Investments LLC. The filing explains Hixon is sole trustee of the Dylan Trust under the JMH-ICH Lex Trust, which holds shares in Arden Road Investments LLC, and he disclaims ownership except to the extent of his pecuniary interest. The Form 4 is signed/dated by the company CFO.
Energy Vault Holdings, Inc. (NRGV) reporting person Dylan Hixon filed an amended Form 4 correcting his original August 14, 2025 filing. The amendment states Mr. Hixon purchased 20,000 shares of common stock on 08/14/2025 at a price of $1.4956 per share, and that those shares were reported in error as directly owned when they are indirectly held through Arden Road Investments LLC. Following the reported purchase, the filing shows 880,065 shares beneficially owned.
The amendment explains the original Form 4 misstated the ownership form and overstated the amount acquired due to a typographical error. The filing also discloses Mr. Hixon is sole trustee of the Dylan Trust under the JMH-ICH Lex Trust, which holds shares in Arden Road Investments LLC, and that he disclaims beneficial ownership except to the extent of pecuniary interest.
Robert Piconi, identified as Chief Executive Officer, Director and a >10% owner of Energy Vault Holdings, Inc. (NRGV), reported purchases on 08/28/2025. The Form 4 shows a purchase of 55,000 shares of common stock at a weighted average price of $1.7057 per share (prices ranged $1.64–$1.79). After the reported transaction, 20,087,526 shares are shown as directly beneficially owned. Two separate indirect holdings of 4,307,946 shares each are disclosed and attributed in footnotes to the Piconi Family 2021 Delaware Trust and the Piconi 2021 Delaware Trust, for which the reporting person serves as investment advisor. The filing is signed by the company CFO.
Energy Vault Holdings (NRGV) Form 4 shows director Ertel Thomas R purchased 11,200 shares of common stock on 08/28/2025 at a price of $1.8062 per share. After the transaction he beneficially owns 199,206 shares. The filing is submitted as an individual report and is signed on the form by Michael Beer, Chief Financial Officer. The Form 4 indicates the purchase was a single transaction executed at the reported per-share price and provides no additional commentary on purpose or funding for the purchase.
Insider purchase reported: Energy Vault Holdings director Larry Paulson purchased 20,000 shares of common stock on 08/28/2025 at a price of $1.7799 per share. After the transaction, Mr. Paulson directly beneficially owns 315,636 shares. An additional 609,256 shares are owned indirectly by the Larry M and Gretchen V Paulson Family Trust dated September 4, 2019; Mr. Paulson is a trustee and disclaims beneficial ownership of the Trust shares except to the extent of any pecuniary interest. The Form 4 was filed individually by the reporting person and is limited to non-derivative common stock activity.
Energy Vault Holdings director Theresa M. Fariello reported a personal purchase of 5,000 shares of Energy Vault Holdings, Inc. (NRGV) on 08/26/2025 at a price of $1.705 per share. After the transaction she beneficially owns 158,950 shares, held directly. The Form 4 is signed on behalf of the reporting person by the company CFO, Michael Beer, on 08/27/2025. No derivative transactions or other changes in ownership are reported in this filing.
Insider purchase recorded for Energy Vault Holdings, Inc. (NRGV). On 08/21/2025 an officer, Christopher Wiese (President, Energy Vault Labs), purchased 6,200 shares of the issuer's common stock at $1.59 per share. After this transaction he beneficially owned 1,164,138 shares. The Form 4 indicates the purchase was a single transaction and was reported on the same filing. The form is signed on behalf of the reporting person by the company Chief Legal Officer.
Energy Vault Holdings, Inc. (NRGV) reporting person Dylan Hixon, a company director, purchased 20,000 shares of common stock on 08/14/2025 at a price of $1.4956 per share. After the purchase, Mr. Hixon directly beneficially owned 220,000 shares.
In addition to his direct holdings, Mr. Hixon may be deemed to beneficially own 860,065 shares held indirectly through Arden Road Investments LLC via the Dylan Trust, where he serves as sole trustee; he disclaims beneficial ownership except to the extent of his pecuniary interest.
Energy Vault director Larry Paulson reported a purchase of 20,000 shares of common stock at $1.3799 per share on 08/13/2025, recorded on this Form 4. The purchase raised his direct holdings to 295,636 shares. The filing also reports 609,256 shares owned by the Larry M and Gretchen V Paulson Family Trust dated September 4, 2019; Mr. Paulson is a trustee and disclaims beneficial ownership of the trust securities except to the extent of any pecuniary interest. The transaction is shown as a P (purchase). No derivative transactions were reported.
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