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.
374Water (SCWO) disclosed insider share sales by a reporting person identified as a 10% owner. On 10/20/2025, the holder sold 13,330 shares of common stock at a weighted‑average price of $0.4208; on 10/21/2025, 284,394 shares at $0.4204; and on 10/22/2025, 32,791 shares at $0.4209.
After these transactions, the reporting person beneficially owned 32,646,843 shares, held directly. Each day’s sale was executed in multiple trades within stated price ranges: $0.4202–$0.4211, $0.420–$0.4208, and $0.4207–$0.4210, respectively.
374Water (SCWO) filed a Form 4 reporting sales by 10% owner Yaacov Nagar. On 10/16/2025, he sold 85,419 shares at a weighted-average price of $0.5126, leaving 33,109,038 shares beneficially owned directly. On 10/17/2025, he sold 131,680 shares at a weighted-average price of $0.423, with direct ownership at 32,977,358 shares after the reported transactions. The trades were executed in multiple lots within price ranges of $0.5108–$0.5140 and $0.4200–$0.4383.
374Water (SCWO) insider transaction: A reporting person filed a Form 4 disclosing open‑market sales of common stock on two dates. On 10/14/2025, they sold 700,000 shares at a weighted‑average price of $0.5163. On 10/15/2025, they sold 363,868 shares at a weighted‑average price of $0.5179.
Following these transactions, the reporting person beneficially owned 33,194,457 shares. The prices reflect weighted averages from multiple trades executed within disclosed intraday ranges.
374Water (SCWO) announced leadership changes and new equity awards. On October 8, 2025, Christian Gannon stepped down as President, Chief Executive Officer, and director, and Peter Mandel stepped down as General Counsel. The company said separation details will be filed in an amendment when finalized.
Stephen J. Jones was appointed Interim President and CEO effective October 8, 2025. A current director since April 14, 2025, Jones will continue on the Board and lead commercialization of the company’s super critical water oxidation technology and the search for a full-time CEO. Under an employment agreement dated October 7, 2025, Jones will receive a base salary of $1.00 and 4,500,000 stock options with an exercise price of $0.37, vesting in four tranches over 0/90/180/270 days from the vesting commencement date, with acceleration upon a change of control, the hiring of a full-time CEO, or termination other than for cause. The options have a 10-year term.
On October 9, 2025, the company granted options exercisable into 2,500,000 shares to executive officers, including 500,000 options each to the CFO and COO at an exercise price of $0.60, vesting 50% at one year and 50% at two years, with certain acceleration terms and a 10-year term.
374Water (SCWO) reported a Form 4 for its Chief Financial Officer, showing a grant of 500,000 stock options on 10/09/2025 at an exercise price of $0.6 per share. The filing lists 808,642 derivative securities beneficially owned after the transaction.
According to the award terms, 50% of the options vest on the first anniversary of the grant date and the remaining 50% vest on the second anniversary, subject to continued service. Unvested options fully vest upon an involuntary termination without cause. The options expire ten years from the grant date, unless terminated earlier under the grant agreement.
374Water Inc. (SCWO) reported a Form 4 showing its Chief Operating Officer received a grant of 500,000 stock options on 10/09/2025 at an exercise price of $0.60 per share.
According to the award terms, 50% of the options vest on the first anniversary of the grant date and the remaining 50% vest on the second anniversary, subject to continued service. The options have a 10-year term from the grant date, with acceleration upon involuntary termination without cause.
Following the transaction, the reporting person beneficially owned 731,000 derivative securities, held directly.
Director sale of common stock reported. A director, Yaacov Nagar, reported a sale of 1,499,000 shares of 374Water Inc. (SCWO) executed on 10/08/2025 at a weighted-average price of $0.4641 per share. The filing shows the sale was made in multiple trades at prices between $0.4500 and $0.4891, and the reporting person retained 34,258,325 shares following the transactions. The Form 4 indicates the reporting person is a director and the form was signed on 10/10/2025.
374Water Inc. director Yaacov Nagar reported a sale of 1,000 shares of common stock on 10/07/2025 at a price of $0.39 per share. After the sale, the reporting person beneficially owns 35,757,325 shares, reported as direct ownership. The Form 4 is a routine Section 16 filing that records this single non-derivative disposition and is signed by the reporting person on 10/09/2025. The filing contains no derivative transactions or additional explanatory notes.
Stephen J. Jones, serving as Interim CEO and a director of 374Water Inc. (SCWO), was granted 4,500,000 stock options on 10/07/2025 as compensation for his appointment. The options have an exercise price of $0.37 per share and 25% of the grant vests on the vesting commencement date with additional 25% tranches vesting at 90, 180, and 270 days thereafter, subject to continued service. The options accelerate and vest immediately upon a change of control, hiring of a full‑time CEO, or termination other than for cause. Each vested option permits purchase of one share and options expire ten years from the applicable vesting date unless earlier terminated.
Form 144 for 374Water Inc. (SCWO) shows a proposed sale of 1,500,000 common shares through Edward Jones on 09/16/2025 on Nasdaq, with an aggregate market value of $525,000.00. The shares were acquired on 04/16/2021 in a business combination from the issuer and were paid by asset exchange. The filer is identified as Yaacov Nagar for prior sales; the filing discloses nine sales480,562 shares for gross proceeds of $195,959.72. Outstanding shares are listed as 152,781,547, making the proposed sale roughly 0.98% of outstanding stock.