Charles Weiser was named Chief Financial Officer of 374Water Inc., succeeding Adrienne Anderson, effective July 1, 2026. As of November 6, 2026, 374Water Inc. has reported 2 leadership change filings to the SEC under Item 5.02 of Form 8-K, from April 15, 2026 to July 8, 2026, naming 2 appointments and 1 departure (Form 8-K, July 8, 2026).
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374Water Inc. reported changes in 2 filings among its directors and officers to the SEC on Form 8-K, Item 5.02, from 2026-04-15 to 2026-07-08. They name 3 people, with 2 appointments and 1 departure. Every row below is cited to the filing it comes from, and this page adds each new change as 374Water Inc. files it.
Also on the record for 374Water Inc.
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| April 30, 2026 | Stake report, Schedule 13D/A, by Yaacov Nagar | 10.16% of the class | 5%+ stakes | Source |
| March 12, 2026 | Stake report, Schedule 13D/A, by Stephen H. McKnight | 2.4% of the class | 5%+ stakes | Source |
| January 26, 2026 | Stake report, Schedule 13D/A, by Yaacov Nagar | 19% of the class | 5%+ stakes | Source |
| January 5, 2026 | Stake report, Schedule 13D/A, by Yaacov Nagar | 19% of the class | 5%+ stakes | Source |
| December 16, 2025 | Stake report, Schedule 13D/A, by Yaacov Nagar | 19% of the class | 5%+ stakes | Source |
| December 12, 2025 | Stake report, Schedule 13D, by Nagar Yaacov | 19% of the class | 5%+ stakes | Source |
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- 5%+ stake filings Apr 2026
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Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-07-08 | In | Chief Financial Officer | 2026-07-01 | 8-K, 2026-07-08 | |
| 2026-07-08 | Out | Chief Financial Officer | 8-K, 2026-07-08 | ||
| 2026-04-15 | In | 8-K, 2026-04-15 |
Who leads 374Water Inc., as last reported?
For each role that changed in the filings below, the most recent change reported. A role that did not change in these filings is not listed.
- Chief Financial Officer: Adrienne Anderson, departure reported (filed 2026-07-08). No successor is named in these filings.
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Appointed: Charles Weiser, Chief Financial Officer, effective 2026-07-01
On July 1, 2026, 374Water Inc. (the " Company ") appointed Charles Weiser as Chief Financial Officer (" CFO ") of the Company, effective July 1, 2026 (the " Effective Date ").
Departing: Adrienne Anderson, Chief Financial Officer
Effective as of the Effective Date, Adrienne Anderson resigned as Interim Chief Financial Officer of the Company; Ms. Anderson will continue to provide financial consulting services to the Company focused on SEC reporting, compliance, and corporate finance initiatives pursuant to a consulting arrangement with the Company.
- In connection with his appointment, Mr. Weiser and the Company entered into an employment agreement, dated as of July 1, 2026 (the "Employment Agreement").
- Charles Weiser, age 67, has served as a member of the Company's Board of Directors since December 29, 2025.
- Since 2021, Mr. Weiser has served as Chief Financial Officer of Alonti Catering Kitchens, overseeing finance, accounting, tax, budgetary planning, and strategic planning, a position he will continue to hold until August 31, 2026.
- Prior to joining Alonti Catering Kitchens, from May 2020 to July 2021, Mr. Weiser was Managing Director at Imperial-Texas where he provided accounting and consulting services to a wide range of businesses around the world.
- From September 2018 to May 2020, Mr. Weiser served as Chief Financial Officer of the Johnny Carrabba Family of Restaurants and before that, from July 2014 to September 2018, Mr. Weiser served as Executive Vice President - Chief Financial Officer at American Green Technology, a leading manufacturer and distributor of lighting products for commercial, heavy industries and healthcare sectors throughout the world.
- Mr. Weiser holds a Master of Business Administration in Finance and Accounting and a Bachelor of Business Administration from the University of Texas at Austin.
- Mr. Weiser is a Certified Public Accountant licensed in Texas and Florida.
Appointed: Richard H. Davis
On April 10, 2026, 374Water Inc. (the " Company ") appointed Richard H. Davis to the Company's Board of Directors (the " Board "), effective immediately.
- Mr. Davis, age 69, previously served as a director on the Board from February 2008 to June 10, 2025.
- He previously served as the Chief Executive Officer of PowerVerde Inc. ("PowerVerde"), the Company's corporate predecessor, from August 2011 to April 2021.
- Prior to PowerVerde, Mr. Davis held various positions in investment banking.
- From 2004 to 2005, Mr. Davis served as managing director of corporate finance at Martinez-Ayme Securities, a securities brokerage and placement agent firm.
- From 2001 to 2004, Mr. Davis worked on structuring equity finance and private acquisitions in the corporate finance department of William R. Hough & Company, a financial services firm that was acquired by RBC Dain Rauscher, a global investment banking firm.
- Mr. Davis began his investment banking career doing equity deal structure and brokerage-related activities at First Equity Corporation, a regional full-service brokerage and investment bank, where he worked from 1982 to 2001.
- He received a B.S degree in economics from Florida State University in 1982.
- Mr. Davis has more than two decades of experience in the investment banking industry, with expertise in equity finance structuring transactions and private acquisitions.
- Mr. Davis also has deep market and industry knowledge in the financial services and capital markets sector, including in capital raising and corporate finance.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.