Welcome to our dedicated page for 374Water SEC filings (Ticker: SCWO), 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.
374Water Inc. filings document material events for a cleantech environmental services company built around AirSCWO™ waste-destruction technology. Recent reports cover business updates tied to Waste Destruction Services, PFAS and organic-waste treatment activity, municipal facility licensing, operating results and the company’s commercial deployment strategy.
The filing record also discloses governance and capital-structure matters, including executive appointments, employment and compensation arrangements, board appointments, committee assignments, equity incentive awards under the 2021 Equity Incentive Plan, and officer changes. These disclosures connect formal reporting to the company’s AirSCWO operations, leadership structure and public-company governance.
Peter Mandel, General Counsel of 374Water Inc. (SCWO), reported a grant of 375,000 restricted stock units on 08/28/2025. The RSUs were granted at no cash price and increase his beneficial ownership to 638,575 shares. The award vests in equal monthly installments over 36 months beginning March 31, 2025, subject to continued service through each vesting date. The Form 4 was signed on 09/02/2025.
Russell Kline, Chief Financial Officer and director of 374Water Inc. (SCWO), received a grant of 250,000 restricted stock units on 08/28/2025 at no cash price. The RSUs vest in equal monthly installments over 36 months beginning March 31, 2025, and vesting is subject to the reporting person's continuous service through each vesting date. Following the grant, the reporting person beneficially owns 648,642 shares.
The grant increases the officer's equity stake and ties future payouts to continued service under the stated vesting schedule. No derivative transactions were reported on this form.
Rajesh R. Melkote, Chief Technology Officer of 374Water Inc. (SCWO), reported an insider acquisition on Form 4. The filing shows 125,000 restricted stock units (RSUs) were granted on 08/28/2025 at no cash price and are scheduled to vest in equal monthly installments over 36 months, beginning March 31, 2025, subject to continuous service through each vesting date. After the grant, the reporting person beneficially owns 882,756 shares. The Form 4 was signed on 09/02/2025 and was filed by one reporting person.
Deanna Rene Estes, a director of 374Water Inc. (SCWO), reported two non-derivative transactions dated 08/28/2025 involving restricted stock units (RSUs). The filing shows an award of 130,000 RSUs that were fully vested on the grant date and an award of 616,970 RSUs that vest 100% on August 28, 2026 conditioned on continuous service through that date. The form lists post-transaction beneficial ownership figures of 236,500 and 853,470 shares for the respective lines. The form is signed by Ms. Estes on 09/02/2025.
James Michael Vanderhider, a director of 374Water Inc. (SCWO), reported acquisitions of restricted stock units and indirect holdings. He was granted 130,000 RSUs that fully vested on 08/28/2025 and 426,130 RSUs that vest 100% on 08/28/2026 (subject to continued service). After these reported transactions the filing shows 596,130 shares beneficially owned directly. Additionally, the filing discloses 1,420,000 shares held indirectly by Aspen View LP, over which Vanderhider has sole voting and dispositive power. The filing was signed by an attorney-in-fact on 09/02/2025.
James Pawloski, a director of 374Water Inc. (SCWO), received 426,131 restricted stock units on 08/28/2025 at no cash cost. After the grant, he beneficially owns 619,431 shares in total. The RSUs vest 100% on August 28, 2026 provided the reporting person remains in continuous service through that date.
The grant is reported on a Form 4 reflecting a non‑derivative equity award (restricted stock units) and indicates ownership and potential future dilution from the outstanding awards until they vest and convert to common stock.
Penn Buddie J reported acquisition or exercise transactions in this Form 4 filing.
374Water Inc. director Penn Buddie J received two grants of common stock restricted stock units on August 28, 2025, totaling 130,000 and 387,962 shares at $0 per share. Following these awards, he directly holds 577,962 restricted stock unit shares. Notes indicate some awards fully vest at grant, while others vest on August 28, 2026 contingent on continuous service.
374Water Inc. (SCWO) director Deanna Rene Estes purchased 30,000 shares of the company's common stock at a weighted-average price of $0.2902 per share, increasing her beneficial holdings to 106,500 shares. The reported purchase was executed in multiple transactions at prices ranging from $0.2849 to $0.2903, and the reporting person offered to provide details of the per-trade quantities on request. The filing indicates the transaction was reported on a Form 4 and that the reporting person is a director filing individually.
374Water Inc. (SCWO) director James Pawloski reported acquiring 193,300 shares of the company's common stock on 08/25/2025 at a weighted average price of $0.2629 per share. The filing states the purchases occurred in multiple transactions with prices ranging from $0.2541 to $0.2640 and that the reporting person beneficially owned 193,300 shares following the transaction. The Form 4 was signed by James Pawloski on 08/26/2025 and was filed as a single reporting person submission.
Russell Kline, Chief Financial Officer of 374Water Inc. (SCWO), reported two open-market purchases of common stock. He acquired 15,000 shares on 08/21/2025 at a weighted average price of $0.2462, bringing his direct holdings to 383,642 shares. He purchased another 15,000 shares on 08/22/2025 at a weighted average price of $0.2496, increasing his direct holdings to 398,642 shares.
The Form 4 is signed by Mr. Kline on 08/25/2025 and lists his reporting address in Morrisville, North Carolina. Footnotes state each reported price is a weighted average of multiple transactions within the disclosed price ranges and that Mr. Kline will provide transaction-level detail to the company or SEC staff upon request.