374water (SCWO)Director bought ~$8.7K

~$8.7K

Approx. value · 30K sh @ $0.2902

107K

Holds after · shares reported

Traded

Aug 26, 2025

Filed

Aug 27, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jun 26, 2025Insider10% owner sold ~$43K of SCWO shares in the open market
2. Jun 27, 2025Insider10% owner sold ~$9.8K of SCWO shares in the open market
3. Aug 18, 2025InsiderOfficer purchased ~$5 of SCWO shares in the open market
4. Aug 19, 2025InsiderOfficer purchased ~$1.2K of SCWO shares in the open market
5. Aug 20, 2025InsiderCFO purchased ~$4.8K of SCWO shares in the open market
6. Aug 21, 2025InsiderCFO purchased ~$3.7K of SCWO shares in the open market
7. Aug 22, 2025InsiderCFO purchased ~$3.7K of SCWO shares in the open market
8. Aug 25, 2025InsiderDirector purchased ~$51K of SCWO shares in the open market
9. Aug 26, 2025 · this disclosureInsiderDirector purchased ~$8.7K of SCWO shares in the open market

What came next

1. Aug 29, 2025Insider10% owner sold ~$8.9K of SCWO shares in the open market
2. Sep 5, 2025Insider10% owner sold ~$48K of SCWO shares in the open market
3. Sep 8, 2025Insider10% owner sold ~$22K of SCWO shares in the open market
4. Oct 7, 2025Insider10% owner sold ~$390 of SCWO shares in the open market
5. Oct 8, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On October 8, 2025, 374Water Inc. (the “Company”) announced that Christian Gannon stepped down as the Company’s President and Chief Executive Officer, effective as of such date.”
6. Oct 8, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On October 20, 2025, the Company and Mr. Mandel entered into a Separation and Release of Claims Agreement (the “Separation Agreement”) in connection with Mr. Mandel stepping down from his position as General Counsel of the Company on October 8, 2025 (the “Separation Date”).”
7. Oct 8, 2025Insider10% owner sold ~$696K of SCWO shares in the open market
8. Oct 14, 2025Insider10% owner sold ~$361K of SCWO shares in the open market
9. Oct 15, 2025Insider10% owner sold ~$188K of SCWO shares in the open market
10. Oct 16, 2025Insider10% owner sold ~$44K of SCWO shares in the open market
11. Oct 17, 2025Insider10% owner sold ~$56K of SCWO shares in the open market
12. Oct 20, 2025Insider10% owner sold ~$5.6K of SCWO shares in the open market
13. Oct 21, 2025Insider10% owner sold ~$120K of SCWO shares in the open market
14. Oct 22, 2025Insider · 1 personInsiders: 2 sales (~$39K)
15. Oct 23, 2025Insider10% owner sold ~$205K of SCWO shares in the open market
16. Nov 12, 2025Company filing · Form 8-K · ResultsReported its results
17. Dec 14, 2025Company filing · Form 8-K · Material agreement, Executive changeChanged a top executive or board member, and signed an important agreement“The information set forth in Item 1.01 is incorporated herein by reference.”
18. Dec 15, 2025Company filing · Form 8-K · Shareholder rights, Bylaws or charterChanged the rights of its shareholders, and changed its bylaws, charter or fiscal year (and 1 more item)
19. Dec 16, 2025Insider · 2 peopleInsiders: 2 purchases (~$108K)

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for 374water

OQRO holds no insider, Congress, fund or contract record for 374water dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its SCWO page.

Other recent filings by Deanna Rene Estes, Director

• SEC Form 4 at 374water (SCWO)Nov 20, 2024

The full history of Deanna Rene Estes, Director is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at 374water

• SEC Form 4Jun 15, 2026
• SEC Form 4Jun 15, 2026
• SEC Form 4Dec 18, 2025
• SEC Form 4Dec 17, 2025
• SEC Form 4Oct 24, 2025
• SEC Form 4Oct 24, 2025

Everything OQRO holds on this company is on its SCWO page.