| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Estes Deanna Rene | Director | C/O 374 WATER INC., 100 SOUTHCENTER COURT, SUITE 200, MORRISVILLE | /s/ Deanna Rene Estes | 27 Aug 2025 | 0001935149 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SCWO | Common Stock | Purchase | $8,706 | +30,000 | +39% | $0.2902 | 106,500 | 26 Aug 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2849 to $0.2903, inclusive. The reporting person undertakes to provide to 374Water Inc., any security holder of 374Water Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote (1) to this Form 4. |