Energy Vault Holdings, Inc. filings document material events, operating results, financing activity, governance matters and capital-structure disclosures for a New York Stock Exchange-listed energy storage company. Its Form 8-K reports include quarterly and annual financial results, investor presentation disclosures, material agreements, direct financial obligations and transactions involving convertible senior notes, capped call arrangements and related balance-sheet actions.
The company’s proxy materials cover annual-meeting voting, board governance and stockholder matters. Its filings also identify NRGV common stock, par value $0.0001 per share, as the registered equity security and disclose the company’s emerging growth company status, along with formal exhibits and Regulation FD materials tied to supplemental financial and operational information.
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.
Thomas R. Ertel, a director of Energy Vault Holdings, Inc. (NRGV), reported a purchase of common stock on 08/11/2025. The Form 4 shows a single transaction where Mr. Ertel acquired 13,300 shares at a price of $1.4399 per share, recorded with transaction code P (purchase). Following the purchase, his direct beneficial ownership is reported as 188,006 shares. The filing was submitted as a Form 4 by one reporting person and is signed on behalf of the company by Brad Eastman, Chief Legal Officer, on 08/12/2025.
Energy Vault entered into an exclusive agreement for a $300 million preferred equity investment to launch "Asset Vault". The Form 8-K states the company signed an exclusive arrangement that provides $300 million of preferred equity capital specifically to support the launch of a new initiative called "Asset Vault." The report attaches the related press release as Exhibit 99.1, supplying the company disclosure for investors. The filing describes a material financing transaction that introduces preferred-equity funding aimed at the Asset Vault initiative; no additional financial terms or investor identity are disclosed in the 8-K.